First commit

static/highlight/languages/apache.js

@@ -0,0 +1,111 @@
+/*! `apache` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Apache config
+  Author: Ruslan Keba <rukeba@gmail.com>
+  Contributors: Ivan Sagalaev <maniac@softwaremaniacs.org>
+  Website: https://httpd.apache.org
+  Description: language definition for Apache configuration files (httpd.conf & .htaccess)
+  Category: config, web
+  Audit: 2020
+  */
+
+  /** @type LanguageFn */
+  function apache(hljs) {
+    const NUMBER_REF = {
+      className: 'number',
+      begin: /[$%]\d+/
+    };
+    const NUMBER = {
+      className: 'number',
+      begin: /\b\d+/
+    };
+    const IP_ADDRESS = {
+      className: "number",
+      begin: /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d{1,5})?/
+    };
+    const PORT_NUMBER = {
+      className: "number",
+      begin: /:\d{1,5}/
+    };
+    return {
+      name: 'Apache config',
+      aliases: [ 'apacheconf' ],
+      case_insensitive: true,
+      contains: [
+        hljs.HASH_COMMENT_MODE,
+        {
+          className: 'section',
+          begin: /<\/?/,
+          end: />/,
+          contains: [
+            IP_ADDRESS,
+            PORT_NUMBER,
+            // low relevance prevents us from claming XML/HTML where this rule would
+            // match strings inside of XML tags
+            hljs.inherit(hljs.QUOTE_STRING_MODE, { relevance: 0 })
+          ]
+        },
+        {
+          className: 'attribute',
+          begin: /\w+/,
+          relevance: 0,
+          // keywords aren’t needed for highlighting per se, they only boost relevance
+          // for a very generally defined mode (starts with a word, ends with line-end
+          keywords: { _: [
+            "order",
+            "deny",
+            "allow",
+            "setenv",
+            "rewriterule",
+            "rewriteengine",
+            "rewritecond",
+            "documentroot",
+            "sethandler",
+            "errordocument",
+            "loadmodule",
+            "options",
+            "header",
+            "listen",
+            "serverroot",
+            "servername"
+          ] },
+          starts: {
+            end: /$/,
+            relevance: 0,
+            keywords: { literal: 'on off all deny allow' },
+            contains: [
+              {
+                className: 'meta',
+                begin: /\s\[/,
+                end: /\]$/
+              },
+              {
+                className: 'variable',
+                begin: /[\$%]\{/,
+                end: /\}/,
+                contains: [
+                  'self',
+                  NUMBER_REF
+                ]
+              },
+              IP_ADDRESS,
+              NUMBER,
+              hljs.QUOTE_STRING_MODE
+            ]
+          }
+        }
+      ],
+      illegal: /\S/
+    };
+  }
+
+  return apache;
+
+})();
+
+    hljs.registerLanguage('apache', hljsGrammar);
+  })();

static/highlight/languages/apache.min.js

@@ -0,0 +1,14 @@
+/*! `apache` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n={className:"number",
+begin:/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d{1,5})?/};return{
+name:"Apache config",aliases:["apacheconf"],case_insensitive:!0,
+contains:[e.HASH_COMMENT_MODE,{className:"section",begin:/<\/?/,end:/>/,
+contains:[n,{className:"number",begin:/:\d{1,5}/
+},e.inherit(e.QUOTE_STRING_MODE,{relevance:0})]},{className:"attribute",
+begin:/\w+/,relevance:0,keywords:{
+_:["order","deny","allow","setenv","rewriterule","rewriteengine","rewritecond","documentroot","sethandler","errordocument","loadmodule","options","header","listen","serverroot","servername"]
+},starts:{end:/$/,relevance:0,keywords:{literal:"on off all deny allow"},
+contains:[{className:"meta",begin:/\s\[/,end:/\]$/},{className:"variable",
+begin:/[\$%]\{/,end:/\}/,contains:["self",{className:"number",begin:/[$%]\d+/}]
+},n,{className:"number",begin:/\b\d+/},e.QUOTE_STRING_MODE]}}],illegal:/\S/}}
+})();hljs.registerLanguage("apache",e)})();

static/highlight/languages/c.js

@@ -0,0 +1,328 @@
+/*! `c` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: C
+  Category: common, system
+  Website: https://en.wikipedia.org/wiki/C_(programming_language)
+  */
+
+  /** @type LanguageFn */
+  function c(hljs) {
+    const regex = hljs.regex;
+    // added for historic reasons because `hljs.C_LINE_COMMENT_MODE` does
+    // not include such support nor can we be sure all the grammars depending
+    // on it would desire this behavior
+    const C_LINE_COMMENT_MODE = hljs.COMMENT('//', '$', { contains: [ { begin: /\\\n/ } ] });
+    const DECLTYPE_AUTO_RE = 'decltype\\(auto\\)';
+    const NAMESPACE_RE = '[a-zA-Z_]\\w*::';
+    const TEMPLATE_ARGUMENT_RE = '<[^<>]+>';
+    const FUNCTION_TYPE_RE = '('
+      + DECLTYPE_AUTO_RE + '|'
+      + regex.optional(NAMESPACE_RE)
+      + '[a-zA-Z_]\\w*' + regex.optional(TEMPLATE_ARGUMENT_RE)
+    + ')';
+
+
+    const TYPES = {
+      className: 'type',
+      variants: [
+        { begin: '\\b[a-z\\d_]*_t\\b' },
+        { match: /\batomic_[a-z]{3,6}\b/ }
+      ]
+
+    };
+
+    // https://en.cppreference.com/w/cpp/language/escape
+    // \\ \x \xFF \u2837 \u00323747 \374
+    const CHARACTER_ESCAPES = '\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)';
+    const STRINGS = {
+      className: 'string',
+      variants: [
+        {
+          begin: '(u8?|U|L)?"',
+          end: '"',
+          illegal: '\\n',
+          contains: [ hljs.BACKSLASH_ESCAPE ]
+        },
+        {
+          begin: '(u8?|U|L)?\'(' + CHARACTER_ESCAPES + "|.)",
+          end: '\'',
+          illegal: '.'
+        },
+        hljs.END_SAME_AS_BEGIN({
+          begin: /(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/,
+          end: /\)([^()\\ ]{0,16})"/
+        })
+      ]
+    };
+
+    const NUMBERS = {
+      className: 'number',
+      variants: [
+        { begin: '\\b(0b[01\']+)' },
+        { begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)((ll|LL|l|L)(u|U)?|(u|U)(ll|LL|l|L)?|f|F|b|B)' },
+        { begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)' }
+      ],
+      relevance: 0
+    };
+
+    const PREPROCESSOR = {
+      className: 'meta',
+      begin: /#\s*[a-z]+\b/,
+      end: /$/,
+      keywords: { keyword:
+          'if else elif endif define undef warning error line '
+          + 'pragma _Pragma ifdef ifndef include' },
+      contains: [
+        {
+          begin: /\\\n/,
+          relevance: 0
+        },
+        hljs.inherit(STRINGS, { className: 'string' }),
+        {
+          className: 'string',
+          begin: /<.*?>/
+        },
+        C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE
+      ]
+    };
+
+    const TITLE_MODE = {
+      className: 'title',
+      begin: regex.optional(NAMESPACE_RE) + hljs.IDENT_RE,
+      relevance: 0
+    };
+
+    const FUNCTION_TITLE = regex.optional(NAMESPACE_RE) + hljs.IDENT_RE + '\\s*\\(';
+
+    const C_KEYWORDS = [
+      "asm",
+      "auto",
+      "break",
+      "case",
+      "continue",
+      "default",
+      "do",
+      "else",
+      "enum",
+      "extern",
+      "for",
+      "fortran",
+      "goto",
+      "if",
+      "inline",
+      "register",
+      "restrict",
+      "return",
+      "sizeof",
+      "struct",
+      "switch",
+      "typedef",
+      "union",
+      "volatile",
+      "while",
+      "_Alignas",
+      "_Alignof",
+      "_Atomic",
+      "_Generic",
+      "_Noreturn",
+      "_Static_assert",
+      "_Thread_local",
+      // aliases
+      "alignas",
+      "alignof",
+      "noreturn",
+      "static_assert",
+      "thread_local",
+      // not a C keyword but is, for all intents and purposes, treated exactly like one.
+      "_Pragma"
+    ];
+
+    const C_TYPES = [
+      "float",
+      "double",
+      "signed",
+      "unsigned",
+      "int",
+      "short",
+      "long",
+      "char",
+      "void",
+      "_Bool",
+      "_Complex",
+      "_Imaginary",
+      "_Decimal32",
+      "_Decimal64",
+      "_Decimal128",
+      // modifiers
+      "const",
+      "static",
+      // aliases
+      "complex",
+      "bool",
+      "imaginary"
+    ];
+
+    const KEYWORDS = {
+      keyword: C_KEYWORDS,
+      type: C_TYPES,
+      literal: 'true false NULL',
+      // TODO: apply hinting work similar to what was done in cpp.js
+      built_in: 'std string wstring cin cout cerr clog stdin stdout stderr stringstream istringstream ostringstream '
+        + 'auto_ptr deque list queue stack vector map set pair bitset multiset multimap unordered_set '
+        + 'unordered_map unordered_multiset unordered_multimap priority_queue make_pair array shared_ptr abort terminate abs acos '
+        + 'asin atan2 atan calloc ceil cosh cos exit exp fabs floor fmod fprintf fputs free frexp '
+        + 'fscanf future isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper '
+        + 'isxdigit tolower toupper labs ldexp log10 log malloc realloc memchr memcmp memcpy memset modf pow '
+        + 'printf putchar puts scanf sinh sin snprintf sprintf sqrt sscanf strcat strchr strcmp '
+        + 'strcpy strcspn strlen strncat strncmp strncpy strpbrk strrchr strspn strstr tanh tan '
+        + 'vfprintf vprintf vsprintf endl initializer_list unique_ptr',
+    };
+
+    const EXPRESSION_CONTAINS = [
+      PREPROCESSOR,
+      TYPES,
+      C_LINE_COMMENT_MODE,
+      hljs.C_BLOCK_COMMENT_MODE,
+      NUMBERS,
+      STRINGS
+    ];
+
+    const EXPRESSION_CONTEXT = {
+      // This mode covers expression context where we can't expect a function
+      // definition and shouldn't highlight anything that looks like one:
+      // `return some()`, `else if()`, `(x*sum(1, 2))`
+      variants: [
+        {
+          begin: /=/,
+          end: /;/
+        },
+        {
+          begin: /\(/,
+          end: /\)/
+        },
+        {
+          beginKeywords: 'new throw return else',
+          end: /;/
+        }
+      ],
+      keywords: KEYWORDS,
+      contains: EXPRESSION_CONTAINS.concat([
+        {
+          begin: /\(/,
+          end: /\)/,
+          keywords: KEYWORDS,
+          contains: EXPRESSION_CONTAINS.concat([ 'self' ]),
+          relevance: 0
+        }
+      ]),
+      relevance: 0
+    };
+
+    const FUNCTION_DECLARATION = {
+      begin: '(' + FUNCTION_TYPE_RE + '[\\*&\\s]+)+' + FUNCTION_TITLE,
+      returnBegin: true,
+      end: /[{;=]/,
+      excludeEnd: true,
+      keywords: KEYWORDS,
+      illegal: /[^\w\s\*&:<>.]/,
+      contains: [
+        { // to prevent it from being confused as the function title
+          begin: DECLTYPE_AUTO_RE,
+          keywords: KEYWORDS,
+          relevance: 0
+        },
+        {
+          begin: FUNCTION_TITLE,
+          returnBegin: true,
+          contains: [ hljs.inherit(TITLE_MODE, { className: "title.function" }) ],
+          relevance: 0
+        },
+        // allow for multiple declarations, e.g.:
+        // extern void f(int), g(char);
+        {
+          relevance: 0,
+          match: /,/
+        },
+        {
+          className: 'params',
+          begin: /\(/,
+          end: /\)/,
+          keywords: KEYWORDS,
+          relevance: 0,
+          contains: [
+            C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE,
+            STRINGS,
+            NUMBERS,
+            TYPES,
+            // Count matching parentheses.
+            {
+              begin: /\(/,
+              end: /\)/,
+              keywords: KEYWORDS,
+              relevance: 0,
+              contains: [
+                'self',
+                C_LINE_COMMENT_MODE,
+                hljs.C_BLOCK_COMMENT_MODE,
+                STRINGS,
+                NUMBERS,
+                TYPES
+              ]
+            }
+          ]
+        },
+        TYPES,
+        C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        PREPROCESSOR
+      ]
+    };
+
+    return {
+      name: "C",
+      aliases: [ 'h' ],
+      keywords: KEYWORDS,
+      // Until differentiations are added between `c` and `cpp`, `c` will
+      // not be auto-detected to avoid auto-detect conflicts between C and C++
+      disableAutodetect: true,
+      illegal: '</',
+      contains: [].concat(
+        EXPRESSION_CONTEXT,
+        FUNCTION_DECLARATION,
+        EXPRESSION_CONTAINS,
+        [
+          PREPROCESSOR,
+          {
+            begin: hljs.IDENT_RE + '::',
+            keywords: KEYWORDS
+          },
+          {
+            className: 'class',
+            beginKeywords: 'enum class struct union',
+            end: /[{;:<>=]/,
+            contains: [
+              { beginKeywords: "final class struct" },
+              hljs.TITLE_MODE
+            ]
+          }
+        ]),
+      exports: {
+        preprocessor: PREPROCESSOR,
+        strings: STRINGS,
+        keywords: KEYWORDS
+      }
+    };
+  }
+
+  return c;
+
+})();
+
+    hljs.registerLanguage('c', hljsGrammar);
+  })();

static/highlight/languages/c.min.js

@@ -0,0 +1,40 @@
+/*! `c` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n=e.regex,t=e.COMMENT("//","$",{
+contains:[{begin:/\\\n/}]
+}),s="decltype\\(auto\\)",a="[a-zA-Z_]\\w*::",r="("+s+"|"+n.optional(a)+"[a-zA-Z_]\\w*"+n.optional("<[^<>]+>")+")",i={
+className:"type",variants:[{begin:"\\b[a-z\\d_]*_t\\b"},{
+match:/\batomic_[a-z]{3,6}\b/}]},l={className:"string",variants:[{
+begin:'(u8?|U|L)?"',end:'"',illegal:"\\n",contains:[e.BACKSLASH_ESCAPE]},{
+begin:"(u8?|U|L)?'(\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)|.)",
+end:"'",illegal:"."},e.END_SAME_AS_BEGIN({
+begin:/(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/,end:/\)([^()\\ ]{0,16})"/})]},o={
+className:"number",variants:[{begin:"\\b(0b[01']+)"},{
+begin:"(-?)\\b([\\d']+(\\.[\\d']*)?|\\.[\\d']+)((ll|LL|l|L)(u|U)?|(u|U)(ll|LL|l|L)?|f|F|b|B)"
+},{
+begin:"(-?)(\\b0[xX][a-fA-F0-9']+|(\\b[\\d']+(\\.[\\d']*)?|\\.[\\d']+)([eE][-+]?[\\d']+)?)"
+}],relevance:0},c={className:"meta",begin:/#\s*[a-z]+\b/,end:/$/,keywords:{
+keyword:"if else elif endif define undef warning error line pragma _Pragma ifdef ifndef include"
+},contains:[{begin:/\\\n/,relevance:0},e.inherit(l,{className:"string"}),{
+className:"string",begin:/<.*?>/},t,e.C_BLOCK_COMMENT_MODE]},d={
+className:"title",begin:n.optional(a)+e.IDENT_RE,relevance:0
+},g=n.optional(a)+e.IDENT_RE+"\\s*\\(",u={
+keyword:["asm","auto","break","case","continue","default","do","else","enum","extern","for","fortran","goto","if","inline","register","restrict","return","sizeof","struct","switch","typedef","union","volatile","while","_Alignas","_Alignof","_Atomic","_Generic","_Noreturn","_Static_assert","_Thread_local","alignas","alignof","noreturn","static_assert","thread_local","_Pragma"],
+type:["float","double","signed","unsigned","int","short","long","char","void","_Bool","_Complex","_Imaginary","_Decimal32","_Decimal64","_Decimal128","const","static","complex","bool","imaginary"],
+literal:"true false NULL",
+built_in:"std string wstring cin cout cerr clog stdin stdout stderr stringstream istringstream ostringstream auto_ptr deque list queue stack vector map set pair bitset multiset multimap unordered_set unordered_map unordered_multiset unordered_multimap priority_queue make_pair array shared_ptr abort terminate abs acos asin atan2 atan calloc ceil cosh cos exit exp fabs floor fmod fprintf fputs free frexp fscanf future isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit tolower toupper labs ldexp log10 log malloc realloc memchr memcmp memcpy memset modf pow printf putchar puts scanf sinh sin snprintf sprintf sqrt sscanf strcat strchr strcmp strcpy strcspn strlen strncat strncmp strncpy strpbrk strrchr strspn strstr tanh tan vfprintf vprintf vsprintf endl initializer_list unique_ptr"
+},m=[c,i,t,e.C_BLOCK_COMMENT_MODE,o,l],_={variants:[{begin:/=/,end:/;/},{
+begin:/\(/,end:/\)/},{beginKeywords:"new throw return else",end:/;/}],
+keywords:u,contains:m.concat([{begin:/\(/,end:/\)/,keywords:u,
+contains:m.concat(["self"]),relevance:0}]),relevance:0},p={
+begin:"("+r+"[\\*&\\s]+)+"+g,returnBegin:!0,end:/[{;=]/,excludeEnd:!0,
+keywords:u,illegal:/[^\w\s\*&:<>.]/,contains:[{begin:s,keywords:u,relevance:0},{
+begin:g,returnBegin:!0,contains:[e.inherit(d,{className:"title.function"})],
+relevance:0},{relevance:0,match:/,/},{className:"params",begin:/\(/,end:/\)/,
+keywords:u,relevance:0,contains:[t,e.C_BLOCK_COMMENT_MODE,l,o,i,{begin:/\(/,
+end:/\)/,keywords:u,relevance:0,contains:["self",t,e.C_BLOCK_COMMENT_MODE,l,o,i]
+}]},i,t,e.C_BLOCK_COMMENT_MODE,c]};return{name:"C",aliases:["h"],keywords:u,
+disableAutodetect:!0,illegal:"</",contains:[].concat(_,p,m,[c,{
+begin:e.IDENT_RE+"::",keywords:u},{className:"class",
+beginKeywords:"enum class struct union",end:/[{;:<>=]/,contains:[{
+beginKeywords:"final class struct"},e.TITLE_MODE]}]),exports:{preprocessor:c,
+strings:l,keywords:u}}}})();hljs.registerLanguage("c",e)})();

static/highlight/languages/cpp.js

@@ -0,0 +1,613 @@
+/*! `cpp` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: C++
+  Category: common, system
+  Website: https://isocpp.org
+  */
+
+  /** @type LanguageFn */
+  function cpp(hljs) {
+    const regex = hljs.regex;
+    // added for historic reasons because `hljs.C_LINE_COMMENT_MODE` does
+    // not include such support nor can we be sure all the grammars depending
+    // on it would desire this behavior
+    const C_LINE_COMMENT_MODE = hljs.COMMENT('//', '$', { contains: [ { begin: /\\\n/ } ] });
+    const DECLTYPE_AUTO_RE = 'decltype\\(auto\\)';
+    const NAMESPACE_RE = '[a-zA-Z_]\\w*::';
+    const TEMPLATE_ARGUMENT_RE = '<[^<>]+>';
+    const FUNCTION_TYPE_RE = '(?!struct)('
+      + DECLTYPE_AUTO_RE + '|'
+      + regex.optional(NAMESPACE_RE)
+      + '[a-zA-Z_]\\w*' + regex.optional(TEMPLATE_ARGUMENT_RE)
+    + ')';
+
+    const CPP_PRIMITIVE_TYPES = {
+      className: 'type',
+      begin: '\\b[a-z\\d_]*_t\\b'
+    };
+
+    // https://en.cppreference.com/w/cpp/language/escape
+    // \\ \x \xFF \u2837 \u00323747 \374
+    const CHARACTER_ESCAPES = '\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)';
+    const STRINGS = {
+      className: 'string',
+      variants: [
+        {
+          begin: '(u8?|U|L)?"',
+          end: '"',
+          illegal: '\\n',
+          contains: [ hljs.BACKSLASH_ESCAPE ]
+        },
+        {
+          begin: '(u8?|U|L)?\'(' + CHARACTER_ESCAPES + '|.)',
+          end: '\'',
+          illegal: '.'
+        },
+        hljs.END_SAME_AS_BEGIN({
+          begin: /(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/,
+          end: /\)([^()\\ ]{0,16})"/
+        })
+      ]
+    };
+
+    const NUMBERS = {
+      className: 'number',
+      variants: [
+        // Floating-point literal.
+        { begin:
+          "[+-]?(?:" // Leading sign.
+            // Decimal.
+            + "(?:"
+              +"[0-9](?:'?[0-9])*\\.(?:[0-9](?:'?[0-9])*)?"
+              + "|\\.[0-9](?:'?[0-9])*"
+            + ")(?:[Ee][+-]?[0-9](?:'?[0-9])*)?"
+            + "|[0-9](?:'?[0-9])*[Ee][+-]?[0-9](?:'?[0-9])*"
+            // Hexadecimal.
+            + "|0[Xx](?:"
+              +"[0-9A-Fa-f](?:'?[0-9A-Fa-f])*(?:\\.(?:[0-9A-Fa-f](?:'?[0-9A-Fa-f])*)?)?"
+              + "|\\.[0-9A-Fa-f](?:'?[0-9A-Fa-f])*"
+            + ")[Pp][+-]?[0-9](?:'?[0-9])*"
+          + ")(?:" // Literal suffixes.
+            + "[Ff](?:16|32|64|128)?"
+            + "|(BF|bf)16"
+            + "|[Ll]"
+            + "|" // Literal suffix is optional.
+          + ")"
+        },
+        // Integer literal.
+        { begin:
+          "[+-]?\\b(?:" // Leading sign.
+            + "0[Bb][01](?:'?[01])*" // Binary.
+            + "|0[Xx][0-9A-Fa-f](?:'?[0-9A-Fa-f])*" // Hexadecimal.
+            + "|0(?:'?[0-7])*" // Octal or just a lone zero.
+            + "|[1-9](?:'?[0-9])*" // Decimal.
+          + ")(?:" // Literal suffixes.
+            + "[Uu](?:LL?|ll?)"
+            + "|[Uu][Zz]?"
+            + "|(?:LL?|ll?)[Uu]?"
+            + "|[Zz][Uu]"
+            + "|" // Literal suffix is optional.
+          + ")"
+          // Note: there are user-defined literal suffixes too, but perhaps having the custom suffix not part of the
+          // literal highlight actually makes it stand out more.
+        }
+      ],
+      relevance: 0
+    };
+
+    const PREPROCESSOR = {
+      className: 'meta',
+      begin: /#\s*[a-z]+\b/,
+      end: /$/,
+      keywords: { keyword:
+          'if else elif endif define undef warning error line '
+          + 'pragma _Pragma ifdef ifndef include' },
+      contains: [
+        {
+          begin: /\\\n/,
+          relevance: 0
+        },
+        hljs.inherit(STRINGS, { className: 'string' }),
+        {
+          className: 'string',
+          begin: /<.*?>/
+        },
+        C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE
+      ]
+    };
+
+    const TITLE_MODE = {
+      className: 'title',
+      begin: regex.optional(NAMESPACE_RE) + hljs.IDENT_RE,
+      relevance: 0
+    };
+
+    const FUNCTION_TITLE = regex.optional(NAMESPACE_RE) + hljs.IDENT_RE + '\\s*\\(';
+
+    // https://en.cppreference.com/w/cpp/keyword
+    const RESERVED_KEYWORDS = [
+      'alignas',
+      'alignof',
+      'and',
+      'and_eq',
+      'asm',
+      'atomic_cancel',
+      'atomic_commit',
+      'atomic_noexcept',
+      'auto',
+      'bitand',
+      'bitor',
+      'break',
+      'case',
+      'catch',
+      'class',
+      'co_await',
+      'co_return',
+      'co_yield',
+      'compl',
+      'concept',
+      'const_cast|10',
+      'consteval',
+      'constexpr',
+      'constinit',
+      'continue',
+      'decltype',
+      'default',
+      'delete',
+      'do',
+      'dynamic_cast|10',
+      'else',
+      'enum',
+      'explicit',
+      'export',
+      'extern',
+      'false',
+      'final',
+      'for',
+      'friend',
+      'goto',
+      'if',
+      'import',
+      'inline',
+      'module',
+      'mutable',
+      'namespace',
+      'new',
+      'noexcept',
+      'not',
+      'not_eq',
+      'nullptr',
+      'operator',
+      'or',
+      'or_eq',
+      'override',
+      'private',
+      'protected',
+      'public',
+      'reflexpr',
+      'register',
+      'reinterpret_cast|10',
+      'requires',
+      'return',
+      'sizeof',
+      'static_assert',
+      'static_cast|10',
+      'struct',
+      'switch',
+      'synchronized',
+      'template',
+      'this',
+      'thread_local',
+      'throw',
+      'transaction_safe',
+      'transaction_safe_dynamic',
+      'true',
+      'try',
+      'typedef',
+      'typeid',
+      'typename',
+      'union',
+      'using',
+      'virtual',
+      'volatile',
+      'while',
+      'xor',
+      'xor_eq'
+    ];
+
+    // https://en.cppreference.com/w/cpp/keyword
+    const RESERVED_TYPES = [
+      'bool',
+      'char',
+      'char16_t',
+      'char32_t',
+      'char8_t',
+      'double',
+      'float',
+      'int',
+      'long',
+      'short',
+      'void',
+      'wchar_t',
+      'unsigned',
+      'signed',
+      'const',
+      'static'
+    ];
+
+    const TYPE_HINTS = [
+      'any',
+      'auto_ptr',
+      'barrier',
+      'binary_semaphore',
+      'bitset',
+      'complex',
+      'condition_variable',
+      'condition_variable_any',
+      'counting_semaphore',
+      'deque',
+      'false_type',
+      'future',
+      'imaginary',
+      'initializer_list',
+      'istringstream',
+      'jthread',
+      'latch',
+      'lock_guard',
+      'multimap',
+      'multiset',
+      'mutex',
+      'optional',
+      'ostringstream',
+      'packaged_task',
+      'pair',
+      'promise',
+      'priority_queue',
+      'queue',
+      'recursive_mutex',
+      'recursive_timed_mutex',
+      'scoped_lock',
+      'set',
+      'shared_future',
+      'shared_lock',
+      'shared_mutex',
+      'shared_timed_mutex',
+      'shared_ptr',
+      'stack',
+      'string_view',
+      'stringstream',
+      'timed_mutex',
+      'thread',
+      'true_type',
+      'tuple',
+      'unique_lock',
+      'unique_ptr',
+      'unordered_map',
+      'unordered_multimap',
+      'unordered_multiset',
+      'unordered_set',
+      'variant',
+      'vector',
+      'weak_ptr',
+      'wstring',
+      'wstring_view'
+    ];
+
+    const FUNCTION_HINTS = [
+      'abort',
+      'abs',
+      'acos',
+      'apply',
+      'as_const',
+      'asin',
+      'atan',
+      'atan2',
+      'calloc',
+      'ceil',
+      'cerr',
+      'cin',
+      'clog',
+      'cos',
+      'cosh',
+      'cout',
+      'declval',
+      'endl',
+      'exchange',
+      'exit',
+      'exp',
+      'fabs',
+      'floor',
+      'fmod',
+      'forward',
+      'fprintf',
+      'fputs',
+      'free',
+      'frexp',
+      'fscanf',
+      'future',
+      'invoke',
+      'isalnum',
+      'isalpha',
+      'iscntrl',
+      'isdigit',
+      'isgraph',
+      'islower',
+      'isprint',
+      'ispunct',
+      'isspace',
+      'isupper',
+      'isxdigit',
+      'labs',
+      'launder',
+      'ldexp',
+      'log',
+      'log10',
+      'make_pair',
+      'make_shared',
+      'make_shared_for_overwrite',
+      'make_tuple',
+      'make_unique',
+      'malloc',
+      'memchr',
+      'memcmp',
+      'memcpy',
+      'memset',
+      'modf',
+      'move',
+      'pow',
+      'printf',
+      'putchar',
+      'puts',
+      'realloc',
+      'scanf',
+      'sin',
+      'sinh',
+      'snprintf',
+      'sprintf',
+      'sqrt',
+      'sscanf',
+      'std',
+      'stderr',
+      'stdin',
+      'stdout',
+      'strcat',
+      'strchr',
+      'strcmp',
+      'strcpy',
+      'strcspn',
+      'strlen',
+      'strncat',
+      'strncmp',
+      'strncpy',
+      'strpbrk',
+      'strrchr',
+      'strspn',
+      'strstr',
+      'swap',
+      'tan',
+      'tanh',
+      'terminate',
+      'to_underlying',
+      'tolower',
+      'toupper',
+      'vfprintf',
+      'visit',
+      'vprintf',
+      'vsprintf'
+    ];
+
+    const LITERALS = [
+      'NULL',
+      'false',
+      'nullopt',
+      'nullptr',
+      'true'
+    ];
+
+    // https://en.cppreference.com/w/cpp/keyword
+    const BUILT_IN = [ '_Pragma' ];
+
+    const CPP_KEYWORDS = {
+      type: RESERVED_TYPES,
+      keyword: RESERVED_KEYWORDS,
+      literal: LITERALS,
+      built_in: BUILT_IN,
+      _type_hints: TYPE_HINTS
+    };
+
+    const FUNCTION_DISPATCH = {
+      className: 'function.dispatch',
+      relevance: 0,
+      keywords: {
+        // Only for relevance, not highlighting.
+        _hint: FUNCTION_HINTS },
+      begin: regex.concat(
+        /\b/,
+        /(?!decltype)/,
+        /(?!if)/,
+        /(?!for)/,
+        /(?!switch)/,
+        /(?!while)/,
+        hljs.IDENT_RE,
+        regex.lookahead(/(<[^<>]+>|)\s*\(/))
+    };
+
+    const EXPRESSION_CONTAINS = [
+      FUNCTION_DISPATCH,
+      PREPROCESSOR,
+      CPP_PRIMITIVE_TYPES,
+      C_LINE_COMMENT_MODE,
+      hljs.C_BLOCK_COMMENT_MODE,
+      NUMBERS,
+      STRINGS
+    ];
+
+    const EXPRESSION_CONTEXT = {
+      // This mode covers expression context where we can't expect a function
+      // definition and shouldn't highlight anything that looks like one:
+      // `return some()`, `else if()`, `(x*sum(1, 2))`
+      variants: [
+        {
+          begin: /=/,
+          end: /;/
+        },
+        {
+          begin: /\(/,
+          end: /\)/
+        },
+        {
+          beginKeywords: 'new throw return else',
+          end: /;/
+        }
+      ],
+      keywords: CPP_KEYWORDS,
+      contains: EXPRESSION_CONTAINS.concat([
+        {
+          begin: /\(/,
+          end: /\)/,
+          keywords: CPP_KEYWORDS,
+          contains: EXPRESSION_CONTAINS.concat([ 'self' ]),
+          relevance: 0
+        }
+      ]),
+      relevance: 0
+    };
+
+    const FUNCTION_DECLARATION = {
+      className: 'function',
+      begin: '(' + FUNCTION_TYPE_RE + '[\\*&\\s]+)+' + FUNCTION_TITLE,
+      returnBegin: true,
+      end: /[{;=]/,
+      excludeEnd: true,
+      keywords: CPP_KEYWORDS,
+      illegal: /[^\w\s\*&:<>.]/,
+      contains: [
+        { // to prevent it from being confused as the function title
+          begin: DECLTYPE_AUTO_RE,
+          keywords: CPP_KEYWORDS,
+          relevance: 0
+        },
+        {
+          begin: FUNCTION_TITLE,
+          returnBegin: true,
+          contains: [ TITLE_MODE ],
+          relevance: 0
+        },
+        // needed because we do not have look-behind on the below rule
+        // to prevent it from grabbing the final : in a :: pair
+        {
+          begin: /::/,
+          relevance: 0
+        },
+        // initializers
+        {
+          begin: /:/,
+          endsWithParent: true,
+          contains: [
+            STRINGS,
+            NUMBERS
+          ]
+        },
+        // allow for multiple declarations, e.g.:
+        // extern void f(int), g(char);
+        {
+          relevance: 0,
+          match: /,/
+        },
+        {
+          className: 'params',
+          begin: /\(/,
+          end: /\)/,
+          keywords: CPP_KEYWORDS,
+          relevance: 0,
+          contains: [
+            C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE,
+            STRINGS,
+            NUMBERS,
+            CPP_PRIMITIVE_TYPES,
+            // Count matching parentheses.
+            {
+              begin: /\(/,
+              end: /\)/,
+              keywords: CPP_KEYWORDS,
+              relevance: 0,
+              contains: [
+                'self',
+                C_LINE_COMMENT_MODE,
+                hljs.C_BLOCK_COMMENT_MODE,
+                STRINGS,
+                NUMBERS,
+                CPP_PRIMITIVE_TYPES
+              ]
+            }
+          ]
+        },
+        CPP_PRIMITIVE_TYPES,
+        C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        PREPROCESSOR
+      ]
+    };
+
+    return {
+      name: 'C++',
+      aliases: [
+        'cc',
+        'c++',
+        'h++',
+        'hpp',
+        'hh',
+        'hxx',
+        'cxx'
+      ],
+      keywords: CPP_KEYWORDS,
+      illegal: '</',
+      classNameAliases: { 'function.dispatch': 'built_in' },
+      contains: [].concat(
+        EXPRESSION_CONTEXT,
+        FUNCTION_DECLARATION,
+        FUNCTION_DISPATCH,
+        EXPRESSION_CONTAINS,
+        [
+          PREPROCESSOR,
+          { // containers: ie, `vector <int> rooms (9);`
+            begin: '\\b(deque|list|queue|priority_queue|pair|stack|vector|map|set|bitset|multiset|multimap|unordered_map|unordered_set|unordered_multiset|unordered_multimap|array|tuple|optional|variant|function)\\s*<(?!<)',
+            end: '>',
+            keywords: CPP_KEYWORDS,
+            contains: [
+              'self',
+              CPP_PRIMITIVE_TYPES
+            ]
+          },
+          {
+            begin: hljs.IDENT_RE + '::',
+            keywords: CPP_KEYWORDS
+          },
+          {
+            match: [
+              // extra complexity to deal with `enum class` and `enum struct`
+              /\b(?:enum(?:\s+(?:class|struct))?|class|struct|union)/,
+              /\s+/,
+              /\w+/
+            ],
+            className: {
+              1: 'keyword',
+              3: 'title.class'
+            }
+          }
+        ])
+    };
+  }
+
+  return cpp;
+
+})();
+
+    hljs.registerLanguage('cpp', hljsGrammar);
+  })();

static/highlight/languages/cpp.min.js

@@ -0,0 +1,47 @@
+/*! `cpp` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const t=e.regex,a=e.COMMENT("//","$",{
+contains:[{begin:/\\\n/}]
+}),n="decltype\\(auto\\)",r="[a-zA-Z_]\\w*::",i="(?!struct)("+n+"|"+t.optional(r)+"[a-zA-Z_]\\w*"+t.optional("<[^<>]+>")+")",s={
+className:"type",begin:"\\b[a-z\\d_]*_t\\b"},c={className:"string",variants:[{
+begin:'(u8?|U|L)?"',end:'"',illegal:"\\n",contains:[e.BACKSLASH_ESCAPE]},{
+begin:"(u8?|U|L)?'(\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)|.)",
+end:"'",illegal:"."},e.END_SAME_AS_BEGIN({
+begin:/(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/,end:/\)([^()\\ ]{0,16})"/})]},o={
+className:"number",variants:[{
+begin:"[+-]?(?:(?:[0-9](?:'?[0-9])*\\.(?:[0-9](?:'?[0-9])*)?|\\.[0-9](?:'?[0-9])*)(?:[Ee][+-]?[0-9](?:'?[0-9])*)?|[0-9](?:'?[0-9])*[Ee][+-]?[0-9](?:'?[0-9])*|0[Xx](?:[0-9A-Fa-f](?:'?[0-9A-Fa-f])*(?:\\.(?:[0-9A-Fa-f](?:'?[0-9A-Fa-f])*)?)?|\\.[0-9A-Fa-f](?:'?[0-9A-Fa-f])*)[Pp][+-]?[0-9](?:'?[0-9])*)(?:[Ff](?:16|32|64|128)?|(BF|bf)16|[Ll]|)"
+},{
+begin:"[+-]?\\b(?:0[Bb][01](?:'?[01])*|0[Xx][0-9A-Fa-f](?:'?[0-9A-Fa-f])*|0(?:'?[0-7])*|[1-9](?:'?[0-9])*)(?:[Uu](?:LL?|ll?)|[Uu][Zz]?|(?:LL?|ll?)[Uu]?|[Zz][Uu]|)"
+}],relevance:0},l={className:"meta",begin:/#\s*[a-z]+\b/,end:/$/,keywords:{
+keyword:"if else elif endif define undef warning error line pragma _Pragma ifdef ifndef include"
+},contains:[{begin:/\\\n/,relevance:0},e.inherit(c,{className:"string"}),{
+className:"string",begin:/<.*?>/},a,e.C_BLOCK_COMMENT_MODE]},u={
+className:"title",begin:t.optional(r)+e.IDENT_RE,relevance:0
+},d=t.optional(r)+e.IDENT_RE+"\\s*\\(",p={
+type:["bool","char","char16_t","char32_t","char8_t","double","float","int","long","short","void","wchar_t","unsigned","signed","const","static"],
+keyword:["alignas","alignof","and","and_eq","asm","atomic_cancel","atomic_commit","atomic_noexcept","auto","bitand","bitor","break","case","catch","class","co_await","co_return","co_yield","compl","concept","const_cast|10","consteval","constexpr","constinit","continue","decltype","default","delete","do","dynamic_cast|10","else","enum","explicit","export","extern","false","final","for","friend","goto","if","import","inline","module","mutable","namespace","new","noexcept","not","not_eq","nullptr","operator","or","or_eq","override","private","protected","public","reflexpr","register","reinterpret_cast|10","requires","return","sizeof","static_assert","static_cast|10","struct","switch","synchronized","template","this","thread_local","throw","transaction_safe","transaction_safe_dynamic","true","try","typedef","typeid","typename","union","using","virtual","volatile","while","xor","xor_eq"],
+literal:["NULL","false","nullopt","nullptr","true"],built_in:["_Pragma"],
+_type_hints:["any","auto_ptr","barrier","binary_semaphore","bitset","complex","condition_variable","condition_variable_any","counting_semaphore","deque","false_type","future","imaginary","initializer_list","istringstream","jthread","latch","lock_guard","multimap","multiset","mutex","optional","ostringstream","packaged_task","pair","promise","priority_queue","queue","recursive_mutex","recursive_timed_mutex","scoped_lock","set","shared_future","shared_lock","shared_mutex","shared_timed_mutex","shared_ptr","stack","string_view","stringstream","timed_mutex","thread","true_type","tuple","unique_lock","unique_ptr","unordered_map","unordered_multimap","unordered_multiset","unordered_set","variant","vector","weak_ptr","wstring","wstring_view"]
+},_={className:"function.dispatch",relevance:0,keywords:{
+_hint:["abort","abs","acos","apply","as_const","asin","atan","atan2","calloc","ceil","cerr","cin","clog","cos","cosh","cout","declval","endl","exchange","exit","exp","fabs","floor","fmod","forward","fprintf","fputs","free","frexp","fscanf","future","invoke","isalnum","isalpha","iscntrl","isdigit","isgraph","islower","isprint","ispunct","isspace","isupper","isxdigit","labs","launder","ldexp","log","log10","make_pair","make_shared","make_shared_for_overwrite","make_tuple","make_unique","malloc","memchr","memcmp","memcpy","memset","modf","move","pow","printf","putchar","puts","realloc","scanf","sin","sinh","snprintf","sprintf","sqrt","sscanf","std","stderr","stdin","stdout","strcat","strchr","strcmp","strcpy","strcspn","strlen","strncat","strncmp","strncpy","strpbrk","strrchr","strspn","strstr","swap","tan","tanh","terminate","to_underlying","tolower","toupper","vfprintf","visit","vprintf","vsprintf"]
+},
+begin:t.concat(/\b/,/(?!decltype)/,/(?!if)/,/(?!for)/,/(?!switch)/,/(?!while)/,e.IDENT_RE,t.lookahead(/(<[^<>]+>|)\s*\(/))
+},m=[_,l,s,a,e.C_BLOCK_COMMENT_MODE,o,c],f={variants:[{begin:/=/,end:/;/},{
+begin:/\(/,end:/\)/},{beginKeywords:"new throw return else",end:/;/}],
+keywords:p,contains:m.concat([{begin:/\(/,end:/\)/,keywords:p,
+contains:m.concat(["self"]),relevance:0}]),relevance:0},g={className:"function",
+begin:"("+i+"[\\*&\\s]+)+"+d,returnBegin:!0,end:/[{;=]/,excludeEnd:!0,
+keywords:p,illegal:/[^\w\s\*&:<>.]/,contains:[{begin:n,keywords:p,relevance:0},{
+begin:d,returnBegin:!0,contains:[u],relevance:0},{begin:/::/,relevance:0},{
+begin:/:/,endsWithParent:!0,contains:[c,o]},{relevance:0,match:/,/},{
+className:"params",begin:/\(/,end:/\)/,keywords:p,relevance:0,
+contains:[a,e.C_BLOCK_COMMENT_MODE,c,o,s,{begin:/\(/,end:/\)/,keywords:p,
+relevance:0,contains:["self",a,e.C_BLOCK_COMMENT_MODE,c,o,s]}]
+},s,a,e.C_BLOCK_COMMENT_MODE,l]};return{name:"C++",
+aliases:["cc","c++","h++","hpp","hh","hxx","cxx"],keywords:p,illegal:"</",
+classNameAliases:{"function.dispatch":"built_in"},
+contains:[].concat(f,g,_,m,[l,{
+begin:"\\b(deque|list|queue|priority_queue|pair|stack|vector|map|set|bitset|multiset|multimap|unordered_map|unordered_set|unordered_multiset|unordered_multimap|array|tuple|optional|variant|function)\\s*<(?!<)",
+end:">",keywords:p,contains:["self",s]},{begin:e.IDENT_RE+"::",keywords:p},{
+match:[/\b(?:enum(?:\s+(?:class|struct))?|class|struct|union)/,/\s+/,/\w+/],
+className:{1:"keyword",3:"title.class"}}])}}})();hljs.registerLanguage("cpp",e)
+})();

static/highlight/languages/csharp.js

@@ -0,0 +1,410 @@
+/*! `csharp` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: C#
+  Author: Jason Diamond <jason@diamond.name>
+  Contributor: Nicolas LLOBERA <nllobera@gmail.com>, Pieter Vantorre <pietervantorre@gmail.com>, David Pine <david.pine@microsoft.com>
+  Website: https://docs.microsoft.com/dotnet/csharp/
+  Category: common
+  */
+
+  /** @type LanguageFn */
+  function csharp(hljs) {
+    const BUILT_IN_KEYWORDS = [
+      'bool',
+      'byte',
+      'char',
+      'decimal',
+      'delegate',
+      'double',
+      'dynamic',
+      'enum',
+      'float',
+      'int',
+      'long',
+      'nint',
+      'nuint',
+      'object',
+      'sbyte',
+      'short',
+      'string',
+      'ulong',
+      'uint',
+      'ushort'
+    ];
+    const FUNCTION_MODIFIERS = [
+      'public',
+      'private',
+      'protected',
+      'static',
+      'internal',
+      'protected',
+      'abstract',
+      'async',
+      'extern',
+      'override',
+      'unsafe',
+      'virtual',
+      'new',
+      'sealed',
+      'partial'
+    ];
+    const LITERAL_KEYWORDS = [
+      'default',
+      'false',
+      'null',
+      'true'
+    ];
+    const NORMAL_KEYWORDS = [
+      'abstract',
+      'as',
+      'base',
+      'break',
+      'case',
+      'catch',
+      'class',
+      'const',
+      'continue',
+      'do',
+      'else',
+      'event',
+      'explicit',
+      'extern',
+      'finally',
+      'fixed',
+      'for',
+      'foreach',
+      'goto',
+      'if',
+      'implicit',
+      'in',
+      'interface',
+      'internal',
+      'is',
+      'lock',
+      'namespace',
+      'new',
+      'operator',
+      'out',
+      'override',
+      'params',
+      'private',
+      'protected',
+      'public',
+      'readonly',
+      'record',
+      'ref',
+      'return',
+      'scoped',
+      'sealed',
+      'sizeof',
+      'stackalloc',
+      'static',
+      'struct',
+      'switch',
+      'this',
+      'throw',
+      'try',
+      'typeof',
+      'unchecked',
+      'unsafe',
+      'using',
+      'virtual',
+      'void',
+      'volatile',
+      'while'
+    ];
+    const CONTEXTUAL_KEYWORDS = [
+      'add',
+      'alias',
+      'and',
+      'ascending',
+      'async',
+      'await',
+      'by',
+      'descending',
+      'equals',
+      'from',
+      'get',
+      'global',
+      'group',
+      'init',
+      'into',
+      'join',
+      'let',
+      'nameof',
+      'not',
+      'notnull',
+      'on',
+      'or',
+      'orderby',
+      'partial',
+      'remove',
+      'select',
+      'set',
+      'unmanaged',
+      'value|0',
+      'var',
+      'when',
+      'where',
+      'with',
+      'yield'
+    ];
+
+    const KEYWORDS = {
+      keyword: NORMAL_KEYWORDS.concat(CONTEXTUAL_KEYWORDS),
+      built_in: BUILT_IN_KEYWORDS,
+      literal: LITERAL_KEYWORDS
+    };
+    const TITLE_MODE = hljs.inherit(hljs.TITLE_MODE, { begin: '[a-zA-Z](\\.?\\w)*' });
+    const NUMBERS = {
+      className: 'number',
+      variants: [
+        { begin: '\\b(0b[01\']+)' },
+        { begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)(u|U|l|L|ul|UL|f|F|b|B)' },
+        { begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)' }
+      ],
+      relevance: 0
+    };
+    const VERBATIM_STRING = {
+      className: 'string',
+      begin: '@"',
+      end: '"',
+      contains: [ { begin: '""' } ]
+    };
+    const VERBATIM_STRING_NO_LF = hljs.inherit(VERBATIM_STRING, { illegal: /\n/ });
+    const SUBST = {
+      className: 'subst',
+      begin: /\{/,
+      end: /\}/,
+      keywords: KEYWORDS
+    };
+    const SUBST_NO_LF = hljs.inherit(SUBST, { illegal: /\n/ });
+    const INTERPOLATED_STRING = {
+      className: 'string',
+      begin: /\$"/,
+      end: '"',
+      illegal: /\n/,
+      contains: [
+        { begin: /\{\{/ },
+        { begin: /\}\}/ },
+        hljs.BACKSLASH_ESCAPE,
+        SUBST_NO_LF
+      ]
+    };
+    const INTERPOLATED_VERBATIM_STRING = {
+      className: 'string',
+      begin: /\$@"/,
+      end: '"',
+      contains: [
+        { begin: /\{\{/ },
+        { begin: /\}\}/ },
+        { begin: '""' },
+        SUBST
+      ]
+    };
+    const INTERPOLATED_VERBATIM_STRING_NO_LF = hljs.inherit(INTERPOLATED_VERBATIM_STRING, {
+      illegal: /\n/,
+      contains: [
+        { begin: /\{\{/ },
+        { begin: /\}\}/ },
+        { begin: '""' },
+        SUBST_NO_LF
+      ]
+    });
+    SUBST.contains = [
+      INTERPOLATED_VERBATIM_STRING,
+      INTERPOLATED_STRING,
+      VERBATIM_STRING,
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE,
+      NUMBERS,
+      hljs.C_BLOCK_COMMENT_MODE
+    ];
+    SUBST_NO_LF.contains = [
+      INTERPOLATED_VERBATIM_STRING_NO_LF,
+      INTERPOLATED_STRING,
+      VERBATIM_STRING_NO_LF,
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE,
+      NUMBERS,
+      hljs.inherit(hljs.C_BLOCK_COMMENT_MODE, { illegal: /\n/ })
+    ];
+    const STRING = { variants: [
+      INTERPOLATED_VERBATIM_STRING,
+      INTERPOLATED_STRING,
+      VERBATIM_STRING,
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE
+    ] };
+
+    const GENERIC_MODIFIER = {
+      begin: "<",
+      end: ">",
+      contains: [
+        { beginKeywords: "in out" },
+        TITLE_MODE
+      ]
+    };
+    const TYPE_IDENT_RE = hljs.IDENT_RE + '(<' + hljs.IDENT_RE + '(\\s*,\\s*' + hljs.IDENT_RE + ')*>)?(\\[\\])?';
+    const AT_IDENTIFIER = {
+      // prevents expressions like `@class` from incorrect flagging
+      // `class` as a keyword
+      begin: "@" + hljs.IDENT_RE,
+      relevance: 0
+    };
+
+    return {
+      name: 'C#',
+      aliases: [
+        'cs',
+        'c#'
+      ],
+      keywords: KEYWORDS,
+      illegal: /::/,
+      contains: [
+        hljs.COMMENT(
+          '///',
+          '$',
+          {
+            returnBegin: true,
+            contains: [
+              {
+                className: 'doctag',
+                variants: [
+                  {
+                    begin: '///',
+                    relevance: 0
+                  },
+                  { begin: '<!--|-->' },
+                  {
+                    begin: '</?',
+                    end: '>'
+                  }
+                ]
+              }
+            ]
+          }
+        ),
+        hljs.C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        {
+          className: 'meta',
+          begin: '#',
+          end: '$',
+          keywords: { keyword: 'if else elif endif define undef warning error line region endregion pragma checksum' }
+        },
+        STRING,
+        NUMBERS,
+        {
+          beginKeywords: 'class interface',
+          relevance: 0,
+          end: /[{;=]/,
+          illegal: /[^\s:,]/,
+          contains: [
+            { beginKeywords: "where class" },
+            TITLE_MODE,
+            GENERIC_MODIFIER,
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        {
+          beginKeywords: 'namespace',
+          relevance: 0,
+          end: /[{;=]/,
+          illegal: /[^\s:]/,
+          contains: [
+            TITLE_MODE,
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        {
+          beginKeywords: 'record',
+          relevance: 0,
+          end: /[{;=]/,
+          illegal: /[^\s:]/,
+          contains: [
+            TITLE_MODE,
+            GENERIC_MODIFIER,
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        {
+          // [Attributes("")]
+          className: 'meta',
+          begin: '^\\s*\\[(?=[\\w])',
+          excludeBegin: true,
+          end: '\\]',
+          excludeEnd: true,
+          contains: [
+            {
+              className: 'string',
+              begin: /"/,
+              end: /"/
+            }
+          ]
+        },
+        {
+          // Expression keywords prevent 'keyword Name(...)' from being
+          // recognized as a function definition
+          beginKeywords: 'new return throw await else',
+          relevance: 0
+        },
+        {
+          className: 'function',
+          begin: '(' + TYPE_IDENT_RE + '\\s+)+' + hljs.IDENT_RE + '\\s*(<[^=]+>\\s*)?\\(',
+          returnBegin: true,
+          end: /\s*[{;=]/,
+          excludeEnd: true,
+          keywords: KEYWORDS,
+          contains: [
+            // prevents these from being highlighted `title`
+            {
+              beginKeywords: FUNCTION_MODIFIERS.join(" "),
+              relevance: 0
+            },
+            {
+              begin: hljs.IDENT_RE + '\\s*(<[^=]+>\\s*)?\\(',
+              returnBegin: true,
+              contains: [
+                hljs.TITLE_MODE,
+                GENERIC_MODIFIER
+              ],
+              relevance: 0
+            },
+            { match: /\(\)/ },
+            {
+              className: 'params',
+              begin: /\(/,
+              end: /\)/,
+              excludeBegin: true,
+              excludeEnd: true,
+              keywords: KEYWORDS,
+              relevance: 0,
+              contains: [
+                STRING,
+                NUMBERS,
+                hljs.C_BLOCK_COMMENT_MODE
+              ]
+            },
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        AT_IDENTIFIER
+      ]
+    };
+  }
+
+  return csharp;
+
+})();
+
+    hljs.registerLanguage('csharp', hljsGrammar);
+  })();

static/highlight/languages/csharp.min.js

@@ -0,0 +1,47 @@
+/*! `csharp` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n={
+keyword:["abstract","as","base","break","case","catch","class","const","continue","do","else","event","explicit","extern","finally","fixed","for","foreach","goto","if","implicit","in","interface","internal","is","lock","namespace","new","operator","out","override","params","private","protected","public","readonly","record","ref","return","scoped","sealed","sizeof","stackalloc","static","struct","switch","this","throw","try","typeof","unchecked","unsafe","using","virtual","void","volatile","while"].concat(["add","alias","and","ascending","async","await","by","descending","equals","from","get","global","group","init","into","join","let","nameof","not","notnull","on","or","orderby","partial","remove","select","set","unmanaged","value|0","var","when","where","with","yield"]),
+built_in:["bool","byte","char","decimal","delegate","double","dynamic","enum","float","int","long","nint","nuint","object","sbyte","short","string","ulong","uint","ushort"],
+literal:["default","false","null","true"]},a=e.inherit(e.TITLE_MODE,{
+begin:"[a-zA-Z](\\.?\\w)*"}),i={className:"number",variants:[{
+begin:"\\b(0b[01']+)"},{
+begin:"(-?)\\b([\\d']+(\\.[\\d']*)?|\\.[\\d']+)(u|U|l|L|ul|UL|f|F|b|B)"},{
+begin:"(-?)(\\b0[xX][a-fA-F0-9']+|(\\b[\\d']+(\\.[\\d']*)?|\\.[\\d']+)([eE][-+]?[\\d']+)?)"
+}],relevance:0},s={className:"string",begin:'@"',end:'"',contains:[{begin:'""'}]
+},t=e.inherit(s,{illegal:/\n/}),r={className:"subst",begin:/\{/,end:/\}/,
+keywords:n},l=e.inherit(r,{illegal:/\n/}),c={className:"string",begin:/\$"/,
+end:'"',illegal:/\n/,contains:[{begin:/\{\{/},{begin:/\}\}/
+},e.BACKSLASH_ESCAPE,l]},o={className:"string",begin:/\$@"/,end:'"',contains:[{
+begin:/\{\{/},{begin:/\}\}/},{begin:'""'},r]},d=e.inherit(o,{illegal:/\n/,
+contains:[{begin:/\{\{/},{begin:/\}\}/},{begin:'""'},l]})
+;r.contains=[o,c,s,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,i,e.C_BLOCK_COMMENT_MODE],
+l.contains=[d,c,t,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,i,e.inherit(e.C_BLOCK_COMMENT_MODE,{
+illegal:/\n/})];const g={variants:[o,c,s,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE]
+},E={begin:"<",end:">",contains:[{beginKeywords:"in out"},a]
+},_=e.IDENT_RE+"(<"+e.IDENT_RE+"(\\s*,\\s*"+e.IDENT_RE+")*>)?(\\[\\])?",b={
+begin:"@"+e.IDENT_RE,relevance:0};return{name:"C#",aliases:["cs","c#"],
+keywords:n,illegal:/::/,contains:[e.COMMENT("///","$",{returnBegin:!0,
+contains:[{className:"doctag",variants:[{begin:"///",relevance:0},{
+begin:"\x3c!--|--\x3e"},{begin:"</?",end:">"}]}]
+}),e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE,{className:"meta",begin:"#",
+end:"$",keywords:{
+keyword:"if else elif endif define undef warning error line region endregion pragma checksum"
+}},g,i,{beginKeywords:"class interface",relevance:0,end:/[{;=]/,
+illegal:/[^\s:,]/,contains:[{beginKeywords:"where class"
+},a,E,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{beginKeywords:"namespace",
+relevance:0,end:/[{;=]/,illegal:/[^\s:]/,
+contains:[a,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{
+beginKeywords:"record",relevance:0,end:/[{;=]/,illegal:/[^\s:]/,
+contains:[a,E,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{className:"meta",
+begin:"^\\s*\\[(?=[\\w])",excludeBegin:!0,end:"\\]",excludeEnd:!0,contains:[{
+className:"string",begin:/"/,end:/"/}]},{
+beginKeywords:"new return throw await else",relevance:0},{className:"function",
+begin:"("+_+"\\s+)+"+e.IDENT_RE+"\\s*(<[^=]+>\\s*)?\\(",returnBegin:!0,
+end:/\s*[{;=]/,excludeEnd:!0,keywords:n,contains:[{
+beginKeywords:"public private protected static internal protected abstract async extern override unsafe virtual new sealed partial",
+relevance:0},{begin:e.IDENT_RE+"\\s*(<[^=]+>\\s*)?\\(",returnBegin:!0,
+contains:[e.TITLE_MODE,E],relevance:0},{match:/\(\)/},{className:"params",
+begin:/\(/,end:/\)/,excludeBegin:!0,excludeEnd:!0,keywords:n,relevance:0,
+contains:[g,i,e.C_BLOCK_COMMENT_MODE]
+},e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},b]}}})()
+;hljs.registerLanguage("csharp",e)})();

static/highlight/languages/css.js

@@ -0,0 +1,837 @@
+/*! `css` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  const MODES = (hljs) => {
+    return {
+      IMPORTANT: {
+        scope: 'meta',
+        begin: '!important'
+      },
+      BLOCK_COMMENT: hljs.C_BLOCK_COMMENT_MODE,
+      HEXCOLOR: {
+        scope: 'number',
+        begin: /#(([0-9a-fA-F]{3,4})|(([0-9a-fA-F]{2}){3,4}))\b/
+      },
+      FUNCTION_DISPATCH: {
+        className: "built_in",
+        begin: /[\w-]+(?=\()/
+      },
+      ATTRIBUTE_SELECTOR_MODE: {
+        scope: 'selector-attr',
+        begin: /\[/,
+        end: /\]/,
+        illegal: '$',
+        contains: [
+          hljs.APOS_STRING_MODE,
+          hljs.QUOTE_STRING_MODE
+        ]
+      },
+      CSS_NUMBER_MODE: {
+        scope: 'number',
+        begin: hljs.NUMBER_RE + '(' +
+          '%|em|ex|ch|rem' +
+          '|vw|vh|vmin|vmax' +
+          '|cm|mm|in|pt|pc|px' +
+          '|deg|grad|rad|turn' +
+          '|s|ms' +
+          '|Hz|kHz' +
+          '|dpi|dpcm|dppx' +
+          ')?',
+        relevance: 0
+      },
+      CSS_VARIABLE: {
+        className: "attr",
+        begin: /--[A-Za-z_][A-Za-z0-9_-]*/
+      }
+    };
+  };
+
+  const HTML_TAGS = [
+    'a',
+    'abbr',
+    'address',
+    'article',
+    'aside',
+    'audio',
+    'b',
+    'blockquote',
+    'body',
+    'button',
+    'canvas',
+    'caption',
+    'cite',
+    'code',
+    'dd',
+    'del',
+    'details',
+    'dfn',
+    'div',
+    'dl',
+    'dt',
+    'em',
+    'fieldset',
+    'figcaption',
+    'figure',
+    'footer',
+    'form',
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'h6',
+    'header',
+    'hgroup',
+    'html',
+    'i',
+    'iframe',
+    'img',
+    'input',
+    'ins',
+    'kbd',
+    'label',
+    'legend',
+    'li',
+    'main',
+    'mark',
+    'menu',
+    'nav',
+    'object',
+    'ol',
+    'p',
+    'q',
+    'quote',
+    'samp',
+    'section',
+    'span',
+    'strong',
+    'summary',
+    'sup',
+    'table',
+    'tbody',
+    'td',
+    'textarea',
+    'tfoot',
+    'th',
+    'thead',
+    'time',
+    'tr',
+    'ul',
+    'var',
+    'video'
+  ];
+
+  const SVG_TAGS = [
+    'defs',
+    'g',
+    'marker',
+    'mask',
+    'pattern',
+    'svg',
+    'switch',
+    'symbol',
+    'feBlend',
+    'feColorMatrix',
+    'feComponentTransfer',
+    'feComposite',
+    'feConvolveMatrix',
+    'feDiffuseLighting',
+    'feDisplacementMap',
+    'feFlood',
+    'feGaussianBlur',
+    'feImage',
+    'feMerge',
+    'feMorphology',
+    'feOffset',
+    'feSpecularLighting',
+    'feTile',
+    'feTurbulence',
+    'linearGradient',
+    'radialGradient',
+    'stop',
+    'circle',
+    'ellipse',
+    'image',
+    'line',
+    'path',
+    'polygon',
+    'polyline',
+    'rect',
+    'text',
+    'use',
+    'textPath',
+    'tspan',
+    'foreignObject',
+    'clipPath'
+  ];
+
+  const TAGS = [
+    ...HTML_TAGS,
+    ...SVG_TAGS,
+  ];
+
+  // Sorting, then reversing makes sure longer attributes/elements like
+  // `font-weight` are matched fully instead of getting false positives on say `font`
+
+  const MEDIA_FEATURES = [
+    'any-hover',
+    'any-pointer',
+    'aspect-ratio',
+    'color',
+    'color-gamut',
+    'color-index',
+    'device-aspect-ratio',
+    'device-height',
+    'device-width',
+    'display-mode',
+    'forced-colors',
+    'grid',
+    'height',
+    'hover',
+    'inverted-colors',
+    'monochrome',
+    'orientation',
+    'overflow-block',
+    'overflow-inline',
+    'pointer',
+    'prefers-color-scheme',
+    'prefers-contrast',
+    'prefers-reduced-motion',
+    'prefers-reduced-transparency',
+    'resolution',
+    'scan',
+    'scripting',
+    'update',
+    'width',
+    // TODO: find a better solution?
+    'min-width',
+    'max-width',
+    'min-height',
+    'max-height'
+  ].sort().reverse();
+
+  // https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes
+  const PSEUDO_CLASSES = [
+    'active',
+    'any-link',
+    'blank',
+    'checked',
+    'current',
+    'default',
+    'defined',
+    'dir', // dir()
+    'disabled',
+    'drop',
+    'empty',
+    'enabled',
+    'first',
+    'first-child',
+    'first-of-type',
+    'fullscreen',
+    'future',
+    'focus',
+    'focus-visible',
+    'focus-within',
+    'has', // has()
+    'host', // host or host()
+    'host-context', // host-context()
+    'hover',
+    'indeterminate',
+    'in-range',
+    'invalid',
+    'is', // is()
+    'lang', // lang()
+    'last-child',
+    'last-of-type',
+    'left',
+    'link',
+    'local-link',
+    'not', // not()
+    'nth-child', // nth-child()
+    'nth-col', // nth-col()
+    'nth-last-child', // nth-last-child()
+    'nth-last-col', // nth-last-col()
+    'nth-last-of-type', //nth-last-of-type()
+    'nth-of-type', //nth-of-type()
+    'only-child',
+    'only-of-type',
+    'optional',
+    'out-of-range',
+    'past',
+    'placeholder-shown',
+    'read-only',
+    'read-write',
+    'required',
+    'right',
+    'root',
+    'scope',
+    'target',
+    'target-within',
+    'user-invalid',
+    'valid',
+    'visited',
+    'where' // where()
+  ].sort().reverse();
+
+  // https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-elements
+  const PSEUDO_ELEMENTS = [
+    'after',
+    'backdrop',
+    'before',
+    'cue',
+    'cue-region',
+    'first-letter',
+    'first-line',
+    'grammar-error',
+    'marker',
+    'part',
+    'placeholder',
+    'selection',
+    'slotted',
+    'spelling-error'
+  ].sort().reverse();
+
+  const ATTRIBUTES = [
+    'align-content',
+    'align-items',
+    'align-self',
+    'alignment-baseline',
+    'all',
+    'animation',
+    'animation-delay',
+    'animation-direction',
+    'animation-duration',
+    'animation-fill-mode',
+    'animation-iteration-count',
+    'animation-name',
+    'animation-play-state',
+    'animation-timing-function',
+    'backface-visibility',
+    'background',
+    'background-attachment',
+    'background-blend-mode',
+    'background-clip',
+    'background-color',
+    'background-image',
+    'background-origin',
+    'background-position',
+    'background-repeat',
+    'background-size',
+    'baseline-shift',
+    'block-size',
+    'border',
+    'border-block',
+    'border-block-color',
+    'border-block-end',
+    'border-block-end-color',
+    'border-block-end-style',
+    'border-block-end-width',
+    'border-block-start',
+    'border-block-start-color',
+    'border-block-start-style',
+    'border-block-start-width',
+    'border-block-style',
+    'border-block-width',
+    'border-bottom',
+    'border-bottom-color',
+    'border-bottom-left-radius',
+    'border-bottom-right-radius',
+    'border-bottom-style',
+    'border-bottom-width',
+    'border-collapse',
+    'border-color',
+    'border-image',
+    'border-image-outset',
+    'border-image-repeat',
+    'border-image-slice',
+    'border-image-source',
+    'border-image-width',
+    'border-inline',
+    'border-inline-color',
+    'border-inline-end',
+    'border-inline-end-color',
+    'border-inline-end-style',
+    'border-inline-end-width',
+    'border-inline-start',
+    'border-inline-start-color',
+    'border-inline-start-style',
+    'border-inline-start-width',
+    'border-inline-style',
+    'border-inline-width',
+    'border-left',
+    'border-left-color',
+    'border-left-style',
+    'border-left-width',
+    'border-radius',
+    'border-right',
+    'border-right-color',
+    'border-right-style',
+    'border-right-width',
+    'border-spacing',
+    'border-style',
+    'border-top',
+    'border-top-color',
+    'border-top-left-radius',
+    'border-top-right-radius',
+    'border-top-style',
+    'border-top-width',
+    'border-width',
+    'bottom',
+    'box-decoration-break',
+    'box-shadow',
+    'box-sizing',
+    'break-after',
+    'break-before',
+    'break-inside',
+    'cx',
+    'cy',
+    'caption-side',
+    'caret-color',
+    'clear',
+    'clip',
+    'clip-path',
+    'clip-rule',
+    'color',
+    'color-interpolation',
+    'color-interpolation-filters',
+    'color-profile',
+    'color-rendering',
+    'column-count',
+    'column-fill',
+    'column-gap',
+    'column-rule',
+    'column-rule-color',
+    'column-rule-style',
+    'column-rule-width',
+    'column-span',
+    'column-width',
+    'columns',
+    'contain',
+    'content',
+    'content-visibility',
+    'counter-increment',
+    'counter-reset',
+    'cue',
+    'cue-after',
+    'cue-before',
+    'cursor',
+    'direction',
+    'display',
+    'dominant-baseline',
+    'empty-cells',
+    'enable-background',
+    'fill',
+    'fill-opacity',
+    'fill-rule',
+    'filter',
+    'flex',
+    'flex-basis',
+    'flex-direction',
+    'flex-flow',
+    'flex-grow',
+    'flex-shrink',
+    'flex-wrap',
+    'float',
+    'flow',
+    'flood-color',
+    'flood-opacity',
+    'font',
+    'font-display',
+    'font-family',
+    'font-feature-settings',
+    'font-kerning',
+    'font-language-override',
+    'font-size',
+    'font-size-adjust',
+    'font-smoothing',
+    'font-stretch',
+    'font-style',
+    'font-synthesis',
+    'font-variant',
+    'font-variant-caps',
+    'font-variant-east-asian',
+    'font-variant-ligatures',
+    'font-variant-numeric',
+    'font-variant-position',
+    'font-variation-settings',
+    'font-weight',
+    'gap',
+    'glyph-orientation-horizontal',
+    'glyph-orientation-vertical',
+    'grid',
+    'grid-area',
+    'grid-auto-columns',
+    'grid-auto-flow',
+    'grid-auto-rows',
+    'grid-column',
+    'grid-column-end',
+    'grid-column-start',
+    'grid-gap',
+    'grid-row',
+    'grid-row-end',
+    'grid-row-start',
+    'grid-template',
+    'grid-template-areas',
+    'grid-template-columns',
+    'grid-template-rows',
+    'hanging-punctuation',
+    'height',
+    'hyphens',
+    'icon',
+    'image-orientation',
+    'image-rendering',
+    'image-resolution',
+    'ime-mode',
+    'inline-size',
+    'isolation',
+    'kerning',
+    'justify-content',
+    'left',
+    'letter-spacing',
+    'lighting-color',
+    'line-break',
+    'line-height',
+    'list-style',
+    'list-style-image',
+    'list-style-position',
+    'list-style-type',
+    'marker',
+    'marker-end',
+    'marker-mid',
+    'marker-start',
+    'mask',
+    'margin',
+    'margin-block',
+    'margin-block-end',
+    'margin-block-start',
+    'margin-bottom',
+    'margin-inline',
+    'margin-inline-end',
+    'margin-inline-start',
+    'margin-left',
+    'margin-right',
+    'margin-top',
+    'marks',
+    'mask',
+    'mask-border',
+    'mask-border-mode',
+    'mask-border-outset',
+    'mask-border-repeat',
+    'mask-border-slice',
+    'mask-border-source',
+    'mask-border-width',
+    'mask-clip',
+    'mask-composite',
+    'mask-image',
+    'mask-mode',
+    'mask-origin',
+    'mask-position',
+    'mask-repeat',
+    'mask-size',
+    'mask-type',
+    'max-block-size',
+    'max-height',
+    'max-inline-size',
+    'max-width',
+    'min-block-size',
+    'min-height',
+    'min-inline-size',
+    'min-width',
+    'mix-blend-mode',
+    'nav-down',
+    'nav-index',
+    'nav-left',
+    'nav-right',
+    'nav-up',
+    'none',
+    'normal',
+    'object-fit',
+    'object-position',
+    'opacity',
+    'order',
+    'orphans',
+    'outline',
+    'outline-color',
+    'outline-offset',
+    'outline-style',
+    'outline-width',
+    'overflow',
+    'overflow-wrap',
+    'overflow-x',
+    'overflow-y',
+    'padding',
+    'padding-block',
+    'padding-block-end',
+    'padding-block-start',
+    'padding-bottom',
+    'padding-inline',
+    'padding-inline-end',
+    'padding-inline-start',
+    'padding-left',
+    'padding-right',
+    'padding-top',
+    'page-break-after',
+    'page-break-before',
+    'page-break-inside',
+    'pause',
+    'pause-after',
+    'pause-before',
+    'perspective',
+    'perspective-origin',
+    'pointer-events',
+    'position',
+    'quotes',
+    'r',
+    'resize',
+    'rest',
+    'rest-after',
+    'rest-before',
+    'right',
+    'row-gap',
+    'scroll-margin',
+    'scroll-margin-block',
+    'scroll-margin-block-end',
+    'scroll-margin-block-start',
+    'scroll-margin-bottom',
+    'scroll-margin-inline',
+    'scroll-margin-inline-end',
+    'scroll-margin-inline-start',
+    'scroll-margin-left',
+    'scroll-margin-right',
+    'scroll-margin-top',
+    'scroll-padding',
+    'scroll-padding-block',
+    'scroll-padding-block-end',
+    'scroll-padding-block-start',
+    'scroll-padding-bottom',
+    'scroll-padding-inline',
+    'scroll-padding-inline-end',
+    'scroll-padding-inline-start',
+    'scroll-padding-left',
+    'scroll-padding-right',
+    'scroll-padding-top',
+    'scroll-snap-align',
+    'scroll-snap-stop',
+    'scroll-snap-type',
+    'scrollbar-color',
+    'scrollbar-gutter',
+    'scrollbar-width',
+    'shape-image-threshold',
+    'shape-margin',
+    'shape-outside',
+    'shape-rendering',
+    'stop-color',
+    'stop-opacity',
+    'stroke',
+    'stroke-dasharray',
+    'stroke-dashoffset',
+    'stroke-linecap',
+    'stroke-linejoin',
+    'stroke-miterlimit',
+    'stroke-opacity',
+    'stroke-width',
+    'speak',
+    'speak-as',
+    'src', // @font-face
+    'tab-size',
+    'table-layout',
+    'text-anchor',
+    'text-align',
+    'text-align-all',
+    'text-align-last',
+    'text-combine-upright',
+    'text-decoration',
+    'text-decoration-color',
+    'text-decoration-line',
+    'text-decoration-style',
+    'text-emphasis',
+    'text-emphasis-color',
+    'text-emphasis-position',
+    'text-emphasis-style',
+    'text-indent',
+    'text-justify',
+    'text-orientation',
+    'text-overflow',
+    'text-rendering',
+    'text-shadow',
+    'text-transform',
+    'text-underline-position',
+    'top',
+    'transform',
+    'transform-box',
+    'transform-origin',
+    'transform-style',
+    'transition',
+    'transition-delay',
+    'transition-duration',
+    'transition-property',
+    'transition-timing-function',
+    'unicode-bidi',
+    'vector-effect',
+    'vertical-align',
+    'visibility',
+    'voice-balance',
+    'voice-duration',
+    'voice-family',
+    'voice-pitch',
+    'voice-range',
+    'voice-rate',
+    'voice-stress',
+    'voice-volume',
+    'white-space',
+    'widows',
+    'width',
+    'will-change',
+    'word-break',
+    'word-spacing',
+    'word-wrap',
+    'writing-mode',
+    'x',
+    'y',
+    'z-index'
+  ].sort().reverse();
+
+  /*
+  Language: CSS
+  Category: common, css, web
+  Website: https://developer.mozilla.org/en-US/docs/Web/CSS
+  */
+
+
+  /** @type LanguageFn */
+  function css(hljs) {
+    const regex = hljs.regex;
+    const modes = MODES(hljs);
+    const VENDOR_PREFIX = { begin: /-(webkit|moz|ms|o)-(?=[a-z])/ };
+    const AT_MODIFIERS = "and or not only";
+    const AT_PROPERTY_RE = /@-?\w[\w]*(-\w+)*/; // @-webkit-keyframes
+    const IDENT_RE = '[a-zA-Z-][a-zA-Z0-9_-]*';
+    const STRINGS = [
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE
+    ];
+
+    return {
+      name: 'CSS',
+      case_insensitive: true,
+      illegal: /[=|'\$]/,
+      keywords: { keyframePosition: "from to" },
+      classNameAliases: {
+        // for visual continuity with `tag {}` and because we
+        // don't have a great class for this?
+        keyframePosition: "selector-tag" },
+      contains: [
+        modes.BLOCK_COMMENT,
+        VENDOR_PREFIX,
+        // to recognize keyframe 40% etc which are outside the scope of our
+        // attribute value mode
+        modes.CSS_NUMBER_MODE,
+        {
+          className: 'selector-id',
+          begin: /#[A-Za-z0-9_-]+/,
+          relevance: 0
+        },
+        {
+          className: 'selector-class',
+          begin: '\\.' + IDENT_RE,
+          relevance: 0
+        },
+        modes.ATTRIBUTE_SELECTOR_MODE,
+        {
+          className: 'selector-pseudo',
+          variants: [
+            { begin: ':(' + PSEUDO_CLASSES.join('|') + ')' },
+            { begin: ':(:)?(' + PSEUDO_ELEMENTS.join('|') + ')' }
+          ]
+        },
+        // we may actually need this (12/2020)
+        // { // pseudo-selector params
+        //   begin: /\(/,
+        //   end: /\)/,
+        //   contains: [ hljs.CSS_NUMBER_MODE ]
+        // },
+        modes.CSS_VARIABLE,
+        {
+          className: 'attribute',
+          begin: '\\b(' + ATTRIBUTES.join('|') + ')\\b'
+        },
+        // attribute values
+        {
+          begin: /:/,
+          end: /[;}{]/,
+          contains: [
+            modes.BLOCK_COMMENT,
+            modes.HEXCOLOR,
+            modes.IMPORTANT,
+            modes.CSS_NUMBER_MODE,
+            ...STRINGS,
+            // needed to highlight these as strings and to avoid issues with
+            // illegal characters that might be inside urls that would tigger the
+            // languages illegal stack
+            {
+              begin: /(url|data-uri)\(/,
+              end: /\)/,
+              relevance: 0, // from keywords
+              keywords: { built_in: "url data-uri" },
+              contains: [
+                ...STRINGS,
+                {
+                  className: "string",
+                  // any character other than `)` as in `url()` will be the start
+                  // of a string, which ends with `)` (from the parent mode)
+                  begin: /[^)]/,
+                  endsWithParent: true,
+                  excludeEnd: true
+                }
+              ]
+            },
+            modes.FUNCTION_DISPATCH
+          ]
+        },
+        {
+          begin: regex.lookahead(/@/),
+          end: '[{;]',
+          relevance: 0,
+          illegal: /:/, // break on Less variables @var: ...
+          contains: [
+            {
+              className: 'keyword',
+              begin: AT_PROPERTY_RE
+            },
+            {
+              begin: /\s/,
+              endsWithParent: true,
+              excludeEnd: true,
+              relevance: 0,
+              keywords: {
+                $pattern: /[a-z-]+/,
+                keyword: AT_MODIFIERS,
+                attribute: MEDIA_FEATURES.join(" ")
+              },
+              contains: [
+                {
+                  begin: /[a-z-]+(?=:)/,
+                  className: "attribute"
+                },
+                ...STRINGS,
+                modes.CSS_NUMBER_MODE
+              ]
+            }
+          ]
+        },
+        {
+          className: 'selector-tag',
+          begin: '\\b(' + TAGS.join('|') + ')\\b'
+        }
+      ]
+    };
+  }
+
+  return css;
+
+})();
+
+    hljs.registerLanguage('css', hljsGrammar);
+  })();

static/highlight/languages/dos.js

@@ -0,0 +1,177 @@
+/*! `dos` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Batch file (DOS)
+  Author: Alexander Makarov <sam@rmcreative.ru>
+  Contributors: Anton Kochkov <anton.kochkov@gmail.com>
+  Website: https://en.wikipedia.org/wiki/Batch_file
+  Category: scripting
+  */
+
+  /** @type LanguageFn */
+  function dos(hljs) {
+    const COMMENT = hljs.COMMENT(
+      /^\s*@?rem\b/, /$/,
+      { relevance: 10 }
+    );
+    const LABEL = {
+      className: 'symbol',
+      begin: '^\\s*[A-Za-z._?][A-Za-z0-9_$#@~.?]*(:|\\s+label)',
+      relevance: 0
+    };
+    const KEYWORDS = [
+      "if",
+      "else",
+      "goto",
+      "for",
+      "in",
+      "do",
+      "call",
+      "exit",
+      "not",
+      "exist",
+      "errorlevel",
+      "defined",
+      "equ",
+      "neq",
+      "lss",
+      "leq",
+      "gtr",
+      "geq"
+    ];
+    const BUILT_INS = [
+      "prn",
+      "nul",
+      "lpt3",
+      "lpt2",
+      "lpt1",
+      "con",
+      "com4",
+      "com3",
+      "com2",
+      "com1",
+      "aux",
+      "shift",
+      "cd",
+      "dir",
+      "echo",
+      "setlocal",
+      "endlocal",
+      "set",
+      "pause",
+      "copy",
+      "append",
+      "assoc",
+      "at",
+      "attrib",
+      "break",
+      "cacls",
+      "cd",
+      "chcp",
+      "chdir",
+      "chkdsk",
+      "chkntfs",
+      "cls",
+      "cmd",
+      "color",
+      "comp",
+      "compact",
+      "convert",
+      "date",
+      "dir",
+      "diskcomp",
+      "diskcopy",
+      "doskey",
+      "erase",
+      "fs",
+      "find",
+      "findstr",
+      "format",
+      "ftype",
+      "graftabl",
+      "help",
+      "keyb",
+      "label",
+      "md",
+      "mkdir",
+      "mode",
+      "more",
+      "move",
+      "path",
+      "pause",
+      "print",
+      "popd",
+      "pushd",
+      "promt",
+      "rd",
+      "recover",
+      "rem",
+      "rename",
+      "replace",
+      "restore",
+      "rmdir",
+      "shift",
+      "sort",
+      "start",
+      "subst",
+      "time",
+      "title",
+      "tree",
+      "type",
+      "ver",
+      "verify",
+      "vol",
+      // winutils
+      "ping",
+      "net",
+      "ipconfig",
+      "taskkill",
+      "xcopy",
+      "ren",
+      "del"
+    ];
+    return {
+      name: 'Batch file (DOS)',
+      aliases: [
+        'bat',
+        'cmd'
+      ],
+      case_insensitive: true,
+      illegal: /\/\*/,
+      keywords: {
+        keyword: KEYWORDS,
+        built_in: BUILT_INS
+      },
+      contains: [
+        {
+          className: 'variable',
+          begin: /%%[^ ]|%[^ ]+?%|![^ ]+?!/
+        },
+        {
+          className: 'function',
+          begin: LABEL.begin,
+          end: 'goto:eof',
+          contains: [
+            hljs.inherit(hljs.TITLE_MODE, { begin: '([_a-zA-Z]\\w*\\.)*([_a-zA-Z]\\w*:)?[_a-zA-Z]\\w*' }),
+            COMMENT
+          ]
+        },
+        {
+          className: 'number',
+          begin: '\\b\\d+',
+          relevance: 0
+        },
+        COMMENT
+      ]
+    };
+  }
+
+  return dos;
+
+})();
+
+    hljs.registerLanguage('dos', hljsGrammar);
+  })();

static/highlight/languages/dos.min.js

@@ -0,0 +1,12 @@
+/*! `dos` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const r=e.COMMENT(/^\s*@?rem\b/,/$/,{
+relevance:10});return{name:"Batch file (DOS)",aliases:["bat","cmd"],
+case_insensitive:!0,illegal:/\/\*/,keywords:{
+keyword:["if","else","goto","for","in","do","call","exit","not","exist","errorlevel","defined","equ","neq","lss","leq","gtr","geq"],
+built_in:["prn","nul","lpt3","lpt2","lpt1","con","com4","com3","com2","com1","aux","shift","cd","dir","echo","setlocal","endlocal","set","pause","copy","append","assoc","at","attrib","break","cacls","cd","chcp","chdir","chkdsk","chkntfs","cls","cmd","color","comp","compact","convert","date","dir","diskcomp","diskcopy","doskey","erase","fs","find","findstr","format","ftype","graftabl","help","keyb","label","md","mkdir","mode","more","move","path","pause","print","popd","pushd","promt","rd","recover","rem","rename","replace","restore","rmdir","shift","sort","start","subst","time","title","tree","type","ver","verify","vol","ping","net","ipconfig","taskkill","xcopy","ren","del"]
+},contains:[{className:"variable",begin:/%%[^ ]|%[^ ]+?%|![^ ]+?!/},{
+className:"function",begin:"^\\s*[A-Za-z._?][A-Za-z0-9_$#@~.?]*(:|\\s+label)",
+end:"goto:eof",contains:[e.inherit(e.TITLE_MODE,{
+begin:"([_a-zA-Z]\\w*\\.)*([_a-zA-Z]\\w*:)?[_a-zA-Z]\\w*"}),r]},{
+className:"number",begin:"\\b\\d+",relevance:0},r]}}})()
+;hljs.registerLanguage("dos",e)})();

static/highlight/languages/http.js

@@ -0,0 +1,107 @@
+/*! `http` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: HTTP
+  Description: HTTP request and response headers with automatic body highlighting
+  Author: Ivan Sagalaev <maniac@softwaremaniacs.org>
+  Category: protocols, web
+  Website: https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview
+  */
+
+  function http(hljs) {
+    const regex = hljs.regex;
+    const VERSION = 'HTTP/([32]|1\\.[01])';
+    const HEADER_NAME = /[A-Za-z][A-Za-z0-9-]*/;
+    const HEADER = {
+      className: 'attribute',
+      begin: regex.concat('^', HEADER_NAME, '(?=\\:\\s)'),
+      starts: { contains: [
+        {
+          className: "punctuation",
+          begin: /: /,
+          relevance: 0,
+          starts: {
+            end: '$',
+            relevance: 0
+          }
+        }
+      ] }
+    };
+    const HEADERS_AND_BODY = [
+      HEADER,
+      {
+        begin: '\\n\\n',
+        starts: {
+          subLanguage: [],
+          endsWithParent: true
+        }
+      }
+    ];
+
+    return {
+      name: 'HTTP',
+      aliases: [ 'https' ],
+      illegal: /\S/,
+      contains: [
+        // response
+        {
+          begin: '^(?=' + VERSION + " \\d{3})",
+          end: /$/,
+          contains: [
+            {
+              className: "meta",
+              begin: VERSION
+            },
+            {
+              className: 'number',
+              begin: '\\b\\d{3}\\b'
+            }
+          ],
+          starts: {
+            end: /\b\B/,
+            illegal: /\S/,
+            contains: HEADERS_AND_BODY
+          }
+        },
+        // request
+        {
+          begin: '(?=^[A-Z]+ (.*?) ' + VERSION + '$)',
+          end: /$/,
+          contains: [
+            {
+              className: 'string',
+              begin: ' ',
+              end: ' ',
+              excludeBegin: true,
+              excludeEnd: true
+            },
+            {
+              className: "meta",
+              begin: VERSION
+            },
+            {
+              className: 'keyword',
+              begin: '[A-Z]+'
+            }
+          ],
+          starts: {
+            end: /\b\B/,
+            illegal: /\S/,
+            contains: HEADERS_AND_BODY
+          }
+        },
+        // to allow headers to work even without a preamble
+        hljs.inherit(HEADER, { relevance: 0 })
+      ]
+    };
+  }
+
+  return http;
+
+})();
+
+    hljs.registerLanguage('http', hljsGrammar);
+  })();

static/highlight/languages/http.min.js

@@ -0,0 +1,14 @@
+/*! `http` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n="HTTP/([32]|1\\.[01])",a={
+className:"attribute",
+begin:e.regex.concat("^",/[A-Za-z][A-Za-z0-9-]*/,"(?=\\:\\s)"),starts:{
+contains:[{className:"punctuation",begin:/: /,relevance:0,starts:{end:"$",
+relevance:0}}]}},s=[a,{begin:"\\n\\n",starts:{subLanguage:[],endsWithParent:!0}
+}];return{name:"HTTP",aliases:["https"],illegal:/\S/,contains:[{
+begin:"^(?="+n+" \\d{3})",end:/$/,contains:[{className:"meta",begin:n},{
+className:"number",begin:"\\b\\d{3}\\b"}],starts:{end:/\b\B/,illegal:/\S/,
+contains:s}},{begin:"(?=^[A-Z]+ (.*?) "+n+"$)",end:/$/,contains:[{
+className:"string",begin:" ",end:" ",excludeBegin:!0,excludeEnd:!0},{
+className:"meta",begin:n},{className:"keyword",begin:"[A-Z]+"}],starts:{
+end:/\b\B/,illegal:/\S/,contains:s}},e.inherit(a,{relevance:0})]}}})()
+;hljs.registerLanguage("http",e)})();

static/highlight/languages/ini.js

@@ -0,0 +1,131 @@
+/*! `ini` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: TOML, also INI
+  Description: TOML aims to be a minimal configuration file format that's easy to read due to obvious semantics.
+  Contributors: Guillaume Gomez <guillaume1.gomez@gmail.com>
+  Category: common, config
+  Website: https://github.com/toml-lang/toml
+  */
+
+  function ini(hljs) {
+    const regex = hljs.regex;
+    const NUMBERS = {
+      className: 'number',
+      relevance: 0,
+      variants: [
+        { begin: /([+-]+)?[\d]+_[\d_]+/ },
+        { begin: hljs.NUMBER_RE }
+      ]
+    };
+    const COMMENTS = hljs.COMMENT();
+    COMMENTS.variants = [
+      {
+        begin: /;/,
+        end: /$/
+      },
+      {
+        begin: /#/,
+        end: /$/
+      }
+    ];
+    const VARIABLES = {
+      className: 'variable',
+      variants: [
+        { begin: /\$[\w\d"][\w\d_]*/ },
+        { begin: /\$\{(.*?)\}/ }
+      ]
+    };
+    const LITERALS = {
+      className: 'literal',
+      begin: /\bon|off|true|false|yes|no\b/
+    };
+    const STRINGS = {
+      className: "string",
+      contains: [ hljs.BACKSLASH_ESCAPE ],
+      variants: [
+        {
+          begin: "'''",
+          end: "'''",
+          relevance: 10
+        },
+        {
+          begin: '"""',
+          end: '"""',
+          relevance: 10
+        },
+        {
+          begin: '"',
+          end: '"'
+        },
+        {
+          begin: "'",
+          end: "'"
+        }
+      ]
+    };
+    const ARRAY = {
+      begin: /\[/,
+      end: /\]/,
+      contains: [
+        COMMENTS,
+        LITERALS,
+        VARIABLES,
+        STRINGS,
+        NUMBERS,
+        'self'
+      ],
+      relevance: 0
+    };
+
+    const BARE_KEY = /[A-Za-z0-9_-]+/;
+    const QUOTED_KEY_DOUBLE_QUOTE = /"(\\"|[^"])*"/;
+    const QUOTED_KEY_SINGLE_QUOTE = /'[^']*'/;
+    const ANY_KEY = regex.either(
+      BARE_KEY, QUOTED_KEY_DOUBLE_QUOTE, QUOTED_KEY_SINGLE_QUOTE
+    );
+    const DOTTED_KEY = regex.concat(
+      ANY_KEY, '(\\s*\\.\\s*', ANY_KEY, ')*',
+      regex.lookahead(/\s*=\s*[^#\s]/)
+    );
+
+    return {
+      name: 'TOML, also INI',
+      aliases: [ 'toml' ],
+      case_insensitive: true,
+      illegal: /\S/,
+      contains: [
+        COMMENTS,
+        {
+          className: 'section',
+          begin: /\[+/,
+          end: /\]+/
+        },
+        {
+          begin: DOTTED_KEY,
+          className: 'attr',
+          starts: {
+            end: /$/,
+            contains: [
+              COMMENTS,
+              ARRAY,
+              LITERALS,
+              VARIABLES,
+              STRINGS,
+              NUMBERS
+            ]
+          }
+        }
+      ]
+    };
+  }
+
+  return ini;
+
+})();
+
+    hljs.registerLanguage('ini', hljsGrammar);
+  })();

static/highlight/languages/ini.min.js

@@ -0,0 +1,15 @@
+/*! `ini` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n=e.regex,a={className:"number",
+relevance:0,variants:[{begin:/([+-]+)?[\d]+_[\d_]+/},{begin:e.NUMBER_RE}]
+},s=e.COMMENT();s.variants=[{begin:/;/,end:/$/},{begin:/#/,end:/$/}];const i={
+className:"variable",variants:[{begin:/\$[\w\d"][\w\d_]*/},{begin:/\$\{(.*?)\}/
+}]},t={className:"literal",begin:/\bon|off|true|false|yes|no\b/},r={
+className:"string",contains:[e.BACKSLASH_ESCAPE],variants:[{begin:"'''",
+end:"'''",relevance:10},{begin:'"""',end:'"""',relevance:10},{begin:'"',end:'"'
+},{begin:"'",end:"'"}]},l={begin:/\[/,end:/\]/,contains:[s,t,i,r,a,"self"],
+relevance:0},c=n.either(/[A-Za-z0-9_-]+/,/"(\\"|[^"])*"/,/'[^']*'/);return{
+name:"TOML, also INI",aliases:["toml"],case_insensitive:!0,illegal:/\S/,
+contains:[s,{className:"section",begin:/\[+/,end:/\]+/},{
+begin:n.concat(c,"(\\s*\\.\\s*",c,")*",n.lookahead(/\s*=\s*[^#\s]/)),
+className:"attr",starts:{end:/$/,contains:[s,l,t,i,r,a]}}]}}})()
+;hljs.registerLanguage("ini",e)})();

static/highlight/languages/java.js

@@ -0,0 +1,299 @@
+/*! `java` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  // https://docs.oracle.com/javase/specs/jls/se15/html/jls-3.html#jls-3.10
+  var decimalDigits = '[0-9](_*[0-9])*';
+  var frac = `\\.(${decimalDigits})`;
+  var hexDigits = '[0-9a-fA-F](_*[0-9a-fA-F])*';
+  var NUMERIC = {
+    className: 'number',
+    variants: [
+      // DecimalFloatingPointLiteral
+      // including ExponentPart
+      { begin: `(\\b(${decimalDigits})((${frac})|\\.)?|(${frac}))` +
+        `[eE][+-]?(${decimalDigits})[fFdD]?\\b` },
+      // excluding ExponentPart
+      { begin: `\\b(${decimalDigits})((${frac})[fFdD]?\\b|\\.([fFdD]\\b)?)` },
+      { begin: `(${frac})[fFdD]?\\b` },
+      { begin: `\\b(${decimalDigits})[fFdD]\\b` },
+
+      // HexadecimalFloatingPointLiteral
+      { begin: `\\b0[xX]((${hexDigits})\\.?|(${hexDigits})?\\.(${hexDigits}))` +
+        `[pP][+-]?(${decimalDigits})[fFdD]?\\b` },
+
+      // DecimalIntegerLiteral
+      { begin: '\\b(0|[1-9](_*[0-9])*)[lL]?\\b' },
+
+      // HexIntegerLiteral
+      { begin: `\\b0[xX](${hexDigits})[lL]?\\b` },
+
+      // OctalIntegerLiteral
+      { begin: '\\b0(_*[0-7])*[lL]?\\b' },
+
+      // BinaryIntegerLiteral
+      { begin: '\\b0[bB][01](_*[01])*[lL]?\\b' },
+    ],
+    relevance: 0
+  };
+
+  /*
+  Language: Java
+  Author: Vsevolod Solovyov <vsevolod.solovyov@gmail.com>
+  Category: common, enterprise
+  Website: https://www.java.com/
+  */
+
+
+  /**
+   * Allows recursive regex expressions to a given depth
+   *
+   * ie: recurRegex("(abc~~~)", /~~~/g, 2) becomes:
+   * (abc(abc(abc)))
+   *
+   * @param {string} re
+   * @param {RegExp} substitution (should be a g mode regex)
+   * @param {number} depth
+   * @returns {string}``
+   */
+  function recurRegex(re, substitution, depth) {
+    if (depth === -1) return "";
+
+    return re.replace(substitution, _ => {
+      return recurRegex(re, substitution, depth - 1);
+    });
+  }
+
+  /** @type LanguageFn */
+  function java(hljs) {
+    const regex = hljs.regex;
+    const JAVA_IDENT_RE = '[\u00C0-\u02B8a-zA-Z_$][\u00C0-\u02B8a-zA-Z_$0-9]*';
+    const GENERIC_IDENT_RE = JAVA_IDENT_RE
+      + recurRegex('(?:<' + JAVA_IDENT_RE + '~~~(?:\\s*,\\s*' + JAVA_IDENT_RE + '~~~)*>)?', /~~~/g, 2);
+    const MAIN_KEYWORDS = [
+      'synchronized',
+      'abstract',
+      'private',
+      'var',
+      'static',
+      'if',
+      'const ',
+      'for',
+      'while',
+      'strictfp',
+      'finally',
+      'protected',
+      'import',
+      'native',
+      'final',
+      'void',
+      'enum',
+      'else',
+      'break',
+      'transient',
+      'catch',
+      'instanceof',
+      'volatile',
+      'case',
+      'assert',
+      'package',
+      'default',
+      'public',
+      'try',
+      'switch',
+      'continue',
+      'throws',
+      'protected',
+      'public',
+      'private',
+      'module',
+      'requires',
+      'exports',
+      'do',
+      'sealed',
+      'yield',
+      'permits'
+    ];
+
+    const BUILT_INS = [
+      'super',
+      'this'
+    ];
+
+    const LITERALS = [
+      'false',
+      'true',
+      'null'
+    ];
+
+    const TYPES = [
+      'char',
+      'boolean',
+      'long',
+      'float',
+      'int',
+      'byte',
+      'short',
+      'double'
+    ];
+
+    const KEYWORDS = {
+      keyword: MAIN_KEYWORDS,
+      literal: LITERALS,
+      type: TYPES,
+      built_in: BUILT_INS
+    };
+
+    const ANNOTATION = {
+      className: 'meta',
+      begin: '@' + JAVA_IDENT_RE,
+      contains: [
+        {
+          begin: /\(/,
+          end: /\)/,
+          contains: [ "self" ] // allow nested () inside our annotation
+        }
+      ]
+    };
+    const PARAMS = {
+      className: 'params',
+      begin: /\(/,
+      end: /\)/,
+      keywords: KEYWORDS,
+      relevance: 0,
+      contains: [ hljs.C_BLOCK_COMMENT_MODE ],
+      endsParent: true
+    };
+
+    return {
+      name: 'Java',
+      aliases: [ 'jsp' ],
+      keywords: KEYWORDS,
+      illegal: /<\/|#/,
+      contains: [
+        hljs.COMMENT(
+          '/\\*\\*',
+          '\\*/',
+          {
+            relevance: 0,
+            contains: [
+              {
+                // eat up @'s in emails to prevent them to be recognized as doctags
+                begin: /\w+@/,
+                relevance: 0
+              },
+              {
+                className: 'doctag',
+                begin: '@[A-Za-z]+'
+              }
+            ]
+          }
+        ),
+        // relevance boost
+        {
+          begin: /import java\.[a-z]+\./,
+          keywords: "import",
+          relevance: 2
+        },
+        hljs.C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        {
+          begin: /"""/,
+          end: /"""/,
+          className: "string",
+          contains: [ hljs.BACKSLASH_ESCAPE ]
+        },
+        hljs.APOS_STRING_MODE,
+        hljs.QUOTE_STRING_MODE,
+        {
+          match: [
+            /\b(?:class|interface|enum|extends|implements|new)/,
+            /\s+/,
+            JAVA_IDENT_RE
+          ],
+          className: {
+            1: "keyword",
+            3: "title.class"
+          }
+        },
+        {
+          // Exceptions for hyphenated keywords
+          match: /non-sealed/,
+          scope: "keyword"
+        },
+        {
+          begin: [
+            regex.concat(/(?!else)/, JAVA_IDENT_RE),
+            /\s+/,
+            JAVA_IDENT_RE,
+            /\s+/,
+            /=(?!=)/
+          ],
+          className: {
+            1: "type",
+            3: "variable",
+            5: "operator"
+          }
+        },
+        {
+          begin: [
+            /record/,
+            /\s+/,
+            JAVA_IDENT_RE
+          ],
+          className: {
+            1: "keyword",
+            3: "title.class"
+          },
+          contains: [
+            PARAMS,
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        {
+          // Expression keywords prevent 'keyword Name(...)' from being
+          // recognized as a function definition
+          beginKeywords: 'new throw return else',
+          relevance: 0
+        },
+        {
+          begin: [
+            '(?:' + GENERIC_IDENT_RE + '\\s+)',
+            hljs.UNDERSCORE_IDENT_RE,
+            /\s*(?=\()/
+          ],
+          className: { 2: "title.function" },
+          keywords: KEYWORDS,
+          contains: [
+            {
+              className: 'params',
+              begin: /\(/,
+              end: /\)/,
+              keywords: KEYWORDS,
+              relevance: 0,
+              contains: [
+                ANNOTATION,
+                hljs.APOS_STRING_MODE,
+                hljs.QUOTE_STRING_MODE,
+                NUMERIC,
+                hljs.C_BLOCK_COMMENT_MODE
+              ]
+            },
+            hljs.C_LINE_COMMENT_MODE,
+            hljs.C_BLOCK_COMMENT_MODE
+          ]
+        },
+        NUMERIC,
+        ANNOTATION
+      ]
+    };
+  }
+
+  return java;
+
+})();
+
+    hljs.registerLanguage('java', hljsGrammar);
+  })();

static/highlight/languages/java.min.js

@@ -0,0 +1,38 @@
+/*! `java` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict"
+;var e="[0-9](_*[0-9])*",a=`\\.(${e})`,n="[0-9a-fA-F](_*[0-9a-fA-F])*",s={
+className:"number",variants:[{
+begin:`(\\b(${e})((${a})|\\.)?|(${a}))[eE][+-]?(${e})[fFdD]?\\b`},{
+begin:`\\b(${e})((${a})[fFdD]?\\b|\\.([fFdD]\\b)?)`},{begin:`(${a})[fFdD]?\\b`
+},{begin:`\\b(${e})[fFdD]\\b`},{
+begin:`\\b0[xX]((${n})\\.?|(${n})?\\.(${n}))[pP][+-]?(${e})[fFdD]?\\b`},{
+begin:"\\b(0|[1-9](_*[0-9])*)[lL]?\\b"},{begin:`\\b0[xX](${n})[lL]?\\b`},{
+begin:"\\b0(_*[0-7])*[lL]?\\b"},{begin:"\\b0[bB][01](_*[01])*[lL]?\\b"}],
+relevance:0};function t(e,a,n){return-1===n?"":e.replace(a,(s=>t(e,a,n-1)))}
+return e=>{
+const a=e.regex,n="[\xc0-\u02b8a-zA-Z_$][\xc0-\u02b8a-zA-Z_$0-9]*",i=n+t("(?:<"+n+"~~~(?:\\s*,\\s*"+n+"~~~)*>)?",/~~~/g,2),r={
+keyword:["synchronized","abstract","private","var","static","if","const ","for","while","strictfp","finally","protected","import","native","final","void","enum","else","break","transient","catch","instanceof","volatile","case","assert","package","default","public","try","switch","continue","throws","protected","public","private","module","requires","exports","do","sealed","yield","permits"],
+literal:["false","true","null"],
+type:["char","boolean","long","float","int","byte","short","double"],
+built_in:["super","this"]},l={className:"meta",begin:"@"+n,contains:[{
+begin:/\(/,end:/\)/,contains:["self"]}]},c={className:"params",begin:/\(/,
+end:/\)/,keywords:r,relevance:0,contains:[e.C_BLOCK_COMMENT_MODE],endsParent:!0}
+;return{name:"Java",aliases:["jsp"],keywords:r,illegal:/<\/|#/,
+contains:[e.COMMENT("/\\*\\*","\\*/",{relevance:0,contains:[{begin:/\w+@/,
+relevance:0},{className:"doctag",begin:"@[A-Za-z]+"}]}),{
+begin:/import java\.[a-z]+\./,keywords:"import",relevance:2
+},e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE,{begin:/"""/,end:/"""/,
+className:"string",contains:[e.BACKSLASH_ESCAPE]
+},e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,{
+match:[/\b(?:class|interface|enum|extends|implements|new)/,/\s+/,n],className:{
+1:"keyword",3:"title.class"}},{match:/non-sealed/,scope:"keyword"},{
+begin:[a.concat(/(?!else)/,n),/\s+/,n,/\s+/,/=(?!=)/],className:{1:"type",
+3:"variable",5:"operator"}},{begin:[/record/,/\s+/,n],className:{1:"keyword",
+3:"title.class"},contains:[c,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},{
+beginKeywords:"new throw return else",relevance:0},{
+begin:["(?:"+i+"\\s+)",e.UNDERSCORE_IDENT_RE,/\s*(?=\()/],className:{
+2:"title.function"},keywords:r,contains:[{className:"params",begin:/\(/,
+end:/\)/,keywords:r,relevance:0,
+contains:[l,e.APOS_STRING_MODE,e.QUOTE_STRING_MODE,s,e.C_BLOCK_COMMENT_MODE]
+},e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE]},s,l]}}})()
+;hljs.registerLanguage("java",e)})();

static/highlight/languages/javascript.js

@@ -0,0 +1,776 @@
+/*! `javascript` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  const IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';
+  const KEYWORDS = [
+    "as", // for exports
+    "in",
+    "of",
+    "if",
+    "for",
+    "while",
+    "finally",
+    "var",
+    "new",
+    "function",
+    "do",
+    "return",
+    "void",
+    "else",
+    "break",
+    "catch",
+    "instanceof",
+    "with",
+    "throw",
+    "case",
+    "default",
+    "try",
+    "switch",
+    "continue",
+    "typeof",
+    "delete",
+    "let",
+    "yield",
+    "const",
+    "class",
+    // JS handles these with a special rule
+    // "get",
+    // "set",
+    "debugger",
+    "async",
+    "await",
+    "static",
+    "import",
+    "from",
+    "export",
+    "extends"
+  ];
+  const LITERALS = [
+    "true",
+    "false",
+    "null",
+    "undefined",
+    "NaN",
+    "Infinity"
+  ];
+
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
+  const TYPES = [
+    // Fundamental objects
+    "Object",
+    "Function",
+    "Boolean",
+    "Symbol",
+    // numbers and dates
+    "Math",
+    "Date",
+    "Number",
+    "BigInt",
+    // text
+    "String",
+    "RegExp",
+    // Indexed collections
+    "Array",
+    "Float32Array",
+    "Float64Array",
+    "Int8Array",
+    "Uint8Array",
+    "Uint8ClampedArray",
+    "Int16Array",
+    "Int32Array",
+    "Uint16Array",
+    "Uint32Array",
+    "BigInt64Array",
+    "BigUint64Array",
+    // Keyed collections
+    "Set",
+    "Map",
+    "WeakSet",
+    "WeakMap",
+    // Structured data
+    "ArrayBuffer",
+    "SharedArrayBuffer",
+    "Atomics",
+    "DataView",
+    "JSON",
+    // Control abstraction objects
+    "Promise",
+    "Generator",
+    "GeneratorFunction",
+    "AsyncFunction",
+    // Reflection
+    "Reflect",
+    "Proxy",
+    // Internationalization
+    "Intl",
+    // WebAssembly
+    "WebAssembly"
+  ];
+
+  const ERROR_TYPES = [
+    "Error",
+    "EvalError",
+    "InternalError",
+    "RangeError",
+    "ReferenceError",
+    "SyntaxError",
+    "TypeError",
+    "URIError"
+  ];
+
+  const BUILT_IN_GLOBALS = [
+    "setInterval",
+    "setTimeout",
+    "clearInterval",
+    "clearTimeout",
+
+    "require",
+    "exports",
+
+    "eval",
+    "isFinite",
+    "isNaN",
+    "parseFloat",
+    "parseInt",
+    "decodeURI",
+    "decodeURIComponent",
+    "encodeURI",
+    "encodeURIComponent",
+    "escape",
+    "unescape"
+  ];
+
+  const BUILT_IN_VARIABLES = [
+    "arguments",
+    "this",
+    "super",
+    "console",
+    "window",
+    "document",
+    "localStorage",
+    "sessionStorage",
+    "module",
+    "global" // Node.js
+  ];
+
+  const BUILT_INS = [].concat(
+    BUILT_IN_GLOBALS,
+    TYPES,
+    ERROR_TYPES
+  );
+
+  /*
+  Language: JavaScript
+  Description: JavaScript (JS) is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions.
+  Category: common, scripting, web
+  Website: https://developer.mozilla.org/en-US/docs/Web/JavaScript
+  */
+
+
+  /** @type LanguageFn */
+  function javascript(hljs) {
+    const regex = hljs.regex;
+    /**
+     * Takes a string like "<Booger" and checks to see
+     * if we can find a matching "</Booger" later in the
+     * content.
+     * @param {RegExpMatchArray} match
+     * @param {{after:number}} param1
+     */
+    const hasClosingTag = (match, { after }) => {
+      const tag = "</" + match[0].slice(1);
+      const pos = match.input.indexOf(tag, after);
+      return pos !== -1;
+    };
+
+    const IDENT_RE$1 = IDENT_RE;
+    const FRAGMENT = {
+      begin: '<>',
+      end: '</>'
+    };
+    // to avoid some special cases inside isTrulyOpeningTag
+    const XML_SELF_CLOSING = /<[A-Za-z0-9\\._:-]+\s*\/>/;
+    const XML_TAG = {
+      begin: /<[A-Za-z0-9\\._:-]+/,
+      end: /\/[A-Za-z0-9\\._:-]+>|\/>/,
+      /**
+       * @param {RegExpMatchArray} match
+       * @param {CallbackResponse} response
+       */
+      isTrulyOpeningTag: (match, response) => {
+        const afterMatchIndex = match[0].length + match.index;
+        const nextChar = match.input[afterMatchIndex];
+        if (
+          // HTML should not include another raw `<` inside a tag
+          // nested type?
+          // `<Array<Array<number>>`, etc.
+          nextChar === "<" ||
+          // the , gives away that this is not HTML
+          // `<T, A extends keyof T, V>`
+          nextChar === ","
+          ) {
+          response.ignoreMatch();
+          return;
+        }
+
+        // `<something>`
+        // Quite possibly a tag, lets look for a matching closing tag...
+        if (nextChar === ">") {
+          // if we cannot find a matching closing tag, then we
+          // will ignore it
+          if (!hasClosingTag(match, { after: afterMatchIndex })) {
+            response.ignoreMatch();
+          }
+        }
+
+        // `<blah />` (self-closing)
+        // handled by simpleSelfClosing rule
+
+        let m;
+        const afterMatch = match.input.substring(afterMatchIndex);
+
+        // some more template typing stuff
+        //  <T = any>(key?: string) => Modify<
+        if ((m = afterMatch.match(/^\s*=/))) {
+          response.ignoreMatch();
+          return;
+        }
+
+        // `<From extends string>`
+        // technically this could be HTML, but it smells like a type
+        // NOTE: This is ugh, but added specifically for https://github.com/highlightjs/highlight.js/issues/3276
+        if ((m = afterMatch.match(/^\s+extends\s+/))) {
+          if (m.index === 0) {
+            response.ignoreMatch();
+            // eslint-disable-next-line no-useless-return
+            return;
+          }
+        }
+      }
+    };
+    const KEYWORDS$1 = {
+      $pattern: IDENT_RE,
+      keyword: KEYWORDS,
+      literal: LITERALS,
+      built_in: BUILT_INS,
+      "variable.language": BUILT_IN_VARIABLES
+    };
+
+    // https://tc39.es/ecma262/#sec-literals-numeric-literals
+    const decimalDigits = '[0-9](_?[0-9])*';
+    const frac = `\\.(${decimalDigits})`;
+    // DecimalIntegerLiteral, including Annex B NonOctalDecimalIntegerLiteral
+    // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals
+    const decimalInteger = `0|[1-9](_?[0-9])*|0[0-7]*[89][0-9]*`;
+    const NUMBER = {
+      className: 'number',
+      variants: [
+        // DecimalLiteral
+        { begin: `(\\b(${decimalInteger})((${frac})|\\.)?|(${frac}))` +
+          `[eE][+-]?(${decimalDigits})\\b` },
+        { begin: `\\b(${decimalInteger})\\b((${frac})\\b|\\.)?|(${frac})\\b` },
+
+        // DecimalBigIntegerLiteral
+        { begin: `\\b(0|[1-9](_?[0-9])*)n\\b` },
+
+        // NonDecimalIntegerLiteral
+        { begin: "\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*n?\\b" },
+        { begin: "\\b0[bB][0-1](_?[0-1])*n?\\b" },
+        { begin: "\\b0[oO][0-7](_?[0-7])*n?\\b" },
+
+        // LegacyOctalIntegerLiteral (does not include underscore separators)
+        // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals
+        { begin: "\\b0[0-7]+n?\\b" },
+      ],
+      relevance: 0
+    };
+
+    const SUBST = {
+      className: 'subst',
+      begin: '\\$\\{',
+      end: '\\}',
+      keywords: KEYWORDS$1,
+      contains: [] // defined later
+    };
+    const HTML_TEMPLATE = {
+      begin: 'html`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'xml'
+      }
+    };
+    const CSS_TEMPLATE = {
+      begin: 'css`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'css'
+      }
+    };
+    const GRAPHQL_TEMPLATE = {
+      begin: 'gql`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'graphql'
+      }
+    };
+    const TEMPLATE_STRING = {
+      className: 'string',
+      begin: '`',
+      end: '`',
+      contains: [
+        hljs.BACKSLASH_ESCAPE,
+        SUBST
+      ]
+    };
+    const JSDOC_COMMENT = hljs.COMMENT(
+      /\/\*\*(?!\/)/,
+      '\\*/',
+      {
+        relevance: 0,
+        contains: [
+          {
+            begin: '(?=@[A-Za-z]+)',
+            relevance: 0,
+            contains: [
+              {
+                className: 'doctag',
+                begin: '@[A-Za-z]+'
+              },
+              {
+                className: 'type',
+                begin: '\\{',
+                end: '\\}',
+                excludeEnd: true,
+                excludeBegin: true,
+                relevance: 0
+              },
+              {
+                className: 'variable',
+                begin: IDENT_RE$1 + '(?=\\s*(-)|$)',
+                endsParent: true,
+                relevance: 0
+              },
+              // eat spaces (not newlines) so we can find
+              // types or variables
+              {
+                begin: /(?=[^\n])\s/,
+                relevance: 0
+              }
+            ]
+          }
+        ]
+      }
+    );
+    const COMMENT = {
+      className: "comment",
+      variants: [
+        JSDOC_COMMENT,
+        hljs.C_BLOCK_COMMENT_MODE,
+        hljs.C_LINE_COMMENT_MODE
+      ]
+    };
+    const SUBST_INTERNALS = [
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE,
+      HTML_TEMPLATE,
+      CSS_TEMPLATE,
+      GRAPHQL_TEMPLATE,
+      TEMPLATE_STRING,
+      // Skip numbers when they are part of a variable name
+      { match: /\$\d+/ },
+      NUMBER,
+      // This is intentional:
+      // See https://github.com/highlightjs/highlight.js/issues/3288
+      // hljs.REGEXP_MODE
+    ];
+    SUBST.contains = SUBST_INTERNALS
+      .concat({
+        // we need to pair up {} inside our subst to prevent
+        // it from ending too early by matching another }
+        begin: /\{/,
+        end: /\}/,
+        keywords: KEYWORDS$1,
+        contains: [
+          "self"
+        ].concat(SUBST_INTERNALS)
+      });
+    const SUBST_AND_COMMENTS = [].concat(COMMENT, SUBST.contains);
+    const PARAMS_CONTAINS = SUBST_AND_COMMENTS.concat([
+      // eat recursive parens in sub expressions
+      {
+        begin: /\(/,
+        end: /\)/,
+        keywords: KEYWORDS$1,
+        contains: ["self"].concat(SUBST_AND_COMMENTS)
+      }
+    ]);
+    const PARAMS = {
+      className: 'params',
+      begin: /\(/,
+      end: /\)/,
+      excludeBegin: true,
+      excludeEnd: true,
+      keywords: KEYWORDS$1,
+      contains: PARAMS_CONTAINS
+    };
+
+    // ES6 classes
+    const CLASS_OR_EXTENDS = {
+      variants: [
+        // class Car extends vehicle
+        {
+          match: [
+            /class/,
+            /\s+/,
+            IDENT_RE$1,
+            /\s+/,
+            /extends/,
+            /\s+/,
+            regex.concat(IDENT_RE$1, "(", regex.concat(/\./, IDENT_RE$1), ")*")
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.class",
+            5: "keyword",
+            7: "title.class.inherited"
+          }
+        },
+        // class Car
+        {
+          match: [
+            /class/,
+            /\s+/,
+            IDENT_RE$1
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.class"
+          }
+        },
+
+      ]
+    };
+
+    const CLASS_REFERENCE = {
+      relevance: 0,
+      match:
+      regex.either(
+        // Hard coded exceptions
+        /\bJSON/,
+        // Float32Array, OutT
+        /\b[A-Z][a-z]+([A-Z][a-z]*|\d)*/,
+        // CSSFactory, CSSFactoryT
+        /\b[A-Z]{2,}([A-Z][a-z]+|\d)+([A-Z][a-z]*)*/,
+        // FPs, FPsT
+        /\b[A-Z]{2,}[a-z]+([A-Z][a-z]+|\d)*([A-Z][a-z]*)*/,
+        // P
+        // single letters are not highlighted
+        // BLAH
+        // this will be flagged as a UPPER_CASE_CONSTANT instead
+      ),
+      className: "title.class",
+      keywords: {
+        _: [
+          // se we still get relevance credit for JS library classes
+          ...TYPES,
+          ...ERROR_TYPES
+        ]
+      }
+    };
+
+    const USE_STRICT = {
+      label: "use_strict",
+      className: 'meta',
+      relevance: 10,
+      begin: /^\s*['"]use (strict|asm)['"]/
+    };
+
+    const FUNCTION_DEFINITION = {
+      variants: [
+        {
+          match: [
+            /function/,
+            /\s+/,
+            IDENT_RE$1,
+            /(?=\s*\()/
+          ]
+        },
+        // anonymous function
+        {
+          match: [
+            /function/,
+            /\s*(?=\()/
+          ]
+        }
+      ],
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      label: "func.def",
+      contains: [ PARAMS ],
+      illegal: /%/
+    };
+
+    const UPPER_CASE_CONSTANT = {
+      relevance: 0,
+      match: /\b[A-Z][A-Z_0-9]+\b/,
+      className: "variable.constant"
+    };
+
+    function noneOf(list) {
+      return regex.concat("(?!", list.join("|"), ")");
+    }
+
+    const FUNCTION_CALL = {
+      match: regex.concat(
+        /\b/,
+        noneOf([
+          ...BUILT_IN_GLOBALS,
+          "super",
+          "import"
+        ]),
+        IDENT_RE$1, regex.lookahead(/\(/)),
+      className: "title.function",
+      relevance: 0
+    };
+
+    const PROPERTY_ACCESS = {
+      begin: regex.concat(/\./, regex.lookahead(
+        regex.concat(IDENT_RE$1, /(?![0-9A-Za-z$_(])/)
+      )),
+      end: IDENT_RE$1,
+      excludeBegin: true,
+      keywords: "prototype",
+      className: "property",
+      relevance: 0
+    };
+
+    const GETTER_OR_SETTER = {
+      match: [
+        /get|set/,
+        /\s+/,
+        IDENT_RE$1,
+        /(?=\()/
+      ],
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      contains: [
+        { // eat to avoid empty params
+          begin: /\(\)/
+        },
+        PARAMS
+      ]
+    };
+
+    const FUNC_LEAD_IN_RE = '(\\(' +
+      '[^()]*(\\(' +
+      '[^()]*(\\(' +
+      '[^()]*' +
+      '\\)[^()]*)*' +
+      '\\)[^()]*)*' +
+      '\\)|' + hljs.UNDERSCORE_IDENT_RE + ')\\s*=>';
+
+    const FUNCTION_VARIABLE = {
+      match: [
+        /const|var|let/, /\s+/,
+        IDENT_RE$1, /\s*/,
+        /=\s*/,
+        /(async\s*)?/, // async is optional
+        regex.lookahead(FUNC_LEAD_IN_RE)
+      ],
+      keywords: "async",
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      contains: [
+        PARAMS
+      ]
+    };
+
+    return {
+      name: 'JavaScript',
+      aliases: ['js', 'jsx', 'mjs', 'cjs'],
+      keywords: KEYWORDS$1,
+      // this will be extended by TypeScript
+      exports: { PARAMS_CONTAINS, CLASS_REFERENCE },
+      illegal: /#(?![$_A-z])/,
+      contains: [
+        hljs.SHEBANG({
+          label: "shebang",
+          binary: "node",
+          relevance: 5
+        }),
+        USE_STRICT,
+        hljs.APOS_STRING_MODE,
+        hljs.QUOTE_STRING_MODE,
+        HTML_TEMPLATE,
+        CSS_TEMPLATE,
+        GRAPHQL_TEMPLATE,
+        TEMPLATE_STRING,
+        COMMENT,
+        // Skip numbers when they are part of a variable name
+        { match: /\$\d+/ },
+        NUMBER,
+        CLASS_REFERENCE,
+        {
+          className: 'attr',
+          begin: IDENT_RE$1 + regex.lookahead(':'),
+          relevance: 0
+        },
+        FUNCTION_VARIABLE,
+        { // "value" container
+          begin: '(' + hljs.RE_STARTERS_RE + '|\\b(case|return|throw)\\b)\\s*',
+          keywords: 'return throw case',
+          relevance: 0,
+          contains: [
+            COMMENT,
+            hljs.REGEXP_MODE,
+            {
+              className: 'function',
+              // we have to count the parens to make sure we actually have the
+              // correct bounding ( ) before the =>.  There could be any number of
+              // sub-expressions inside also surrounded by parens.
+              begin: FUNC_LEAD_IN_RE,
+              returnBegin: true,
+              end: '\\s*=>',
+              contains: [
+                {
+                  className: 'params',
+                  variants: [
+                    {
+                      begin: hljs.UNDERSCORE_IDENT_RE,
+                      relevance: 0
+                    },
+                    {
+                      className: null,
+                      begin: /\(\s*\)/,
+                      skip: true
+                    },
+                    {
+                      begin: /\(/,
+                      end: /\)/,
+                      excludeBegin: true,
+                      excludeEnd: true,
+                      keywords: KEYWORDS$1,
+                      contains: PARAMS_CONTAINS
+                    }
+                  ]
+                }
+              ]
+            },
+            { // could be a comma delimited list of params to a function call
+              begin: /,/,
+              relevance: 0
+            },
+            {
+              match: /\s+/,
+              relevance: 0
+            },
+            { // JSX
+              variants: [
+                { begin: FRAGMENT.begin, end: FRAGMENT.end },
+                { match: XML_SELF_CLOSING },
+                {
+                  begin: XML_TAG.begin,
+                  // we carefully check the opening tag to see if it truly
+                  // is a tag and not a false positive
+                  'on:begin': XML_TAG.isTrulyOpeningTag,
+                  end: XML_TAG.end
+                }
+              ],
+              subLanguage: 'xml',
+              contains: [
+                {
+                  begin: XML_TAG.begin,
+                  end: XML_TAG.end,
+                  skip: true,
+                  contains: ['self']
+                }
+              ]
+            }
+          ],
+        },
+        FUNCTION_DEFINITION,
+        {
+          // prevent this from getting swallowed up by function
+          // since they appear "function like"
+          beginKeywords: "while if switch catch for"
+        },
+        {
+          // we have to count the parens to make sure we actually have the correct
+          // bounding ( ).  There could be any number of sub-expressions inside
+          // also surrounded by parens.
+          begin: '\\b(?!function)' + hljs.UNDERSCORE_IDENT_RE +
+            '\\(' + // first parens
+            '[^()]*(\\(' +
+              '[^()]*(\\(' +
+                '[^()]*' +
+              '\\)[^()]*)*' +
+            '\\)[^()]*)*' +
+            '\\)\\s*\\{', // end parens
+          returnBegin:true,
+          label: "func.def",
+          contains: [
+            PARAMS,
+            hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1, className: "title.function" })
+          ]
+        },
+        // catch ... so it won't trigger the property rule below
+        {
+          match: /\.\.\./,
+          relevance: 0
+        },
+        PROPERTY_ACCESS,
+        // hack: prevents detection of keywords in some circumstances
+        // .keyword()
+        // $keyword = x
+        {
+          match: '\\$' + IDENT_RE$1,
+          relevance: 0
+        },
+        {
+          match: [ /\bconstructor(?=\s*\()/ ],
+          className: { 1: "title.function" },
+          contains: [ PARAMS ]
+        },
+        FUNCTION_CALL,
+        UPPER_CASE_CONSTANT,
+        CLASS_OR_EXTENDS,
+        GETTER_OR_SETTER,
+        {
+          match: /\$[(.]/ // relevance booster for a pattern common to JS libs: `$(something)` and `$.something`
+        }
+      ]
+    };
+  }
+
+  return javascript;
+
+})();
+
+    hljs.registerLanguage('javascript', hljsGrammar);
+  })();

static/highlight/languages/javascript.min.js

@@ -0,0 +1,80 @@
+/*! `javascript` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict"
+;const e="[A-Za-z$_][0-9A-Za-z$_]*",n=["as","in","of","if","for","while","finally","var","new","function","do","return","void","else","break","catch","instanceof","with","throw","case","default","try","switch","continue","typeof","delete","let","yield","const","class","debugger","async","await","static","import","from","export","extends"],a=["true","false","null","undefined","NaN","Infinity"],t=["Object","Function","Boolean","Symbol","Math","Date","Number","BigInt","String","RegExp","Array","Float32Array","Float64Array","Int8Array","Uint8Array","Uint8ClampedArray","Int16Array","Int32Array","Uint16Array","Uint32Array","BigInt64Array","BigUint64Array","Set","Map","WeakSet","WeakMap","ArrayBuffer","SharedArrayBuffer","Atomics","DataView","JSON","Promise","Generator","GeneratorFunction","AsyncFunction","Reflect","Proxy","Intl","WebAssembly"],s=["Error","EvalError","InternalError","RangeError","ReferenceError","SyntaxError","TypeError","URIError"],r=["setInterval","setTimeout","clearInterval","clearTimeout","require","exports","eval","isFinite","isNaN","parseFloat","parseInt","decodeURI","decodeURIComponent","encodeURI","encodeURIComponent","escape","unescape"],c=["arguments","this","super","console","window","document","localStorage","sessionStorage","module","global"],i=[].concat(r,t,s)
+;return o=>{const l=o.regex,b=e,d={begin:/<[A-Za-z0-9\\._:-]+/,
+end:/\/[A-Za-z0-9\\._:-]+>|\/>/,isTrulyOpeningTag:(e,n)=>{
+const a=e[0].length+e.index,t=e.input[a]
+;if("<"===t||","===t)return void n.ignoreMatch();let s
+;">"===t&&(((e,{after:n})=>{const a="</"+e[0].slice(1)
+;return-1!==e.input.indexOf(a,n)})(e,{after:a})||n.ignoreMatch())
+;const r=e.input.substring(a)
+;((s=r.match(/^\s*=/))||(s=r.match(/^\s+extends\s+/))&&0===s.index)&&n.ignoreMatch()
+}},g={$pattern:e,keyword:n,literal:a,built_in:i,"variable.language":c
+},u="[0-9](_?[0-9])*",m=`\\.(${u})`,E="0|[1-9](_?[0-9])*|0[0-7]*[89][0-9]*",A={
+className:"number",variants:[{
+begin:`(\\b(${E})((${m})|\\.)?|(${m}))[eE][+-]?(${u})\\b`},{
+begin:`\\b(${E})\\b((${m})\\b|\\.)?|(${m})\\b`},{
+begin:"\\b(0|[1-9](_?[0-9])*)n\\b"},{
+begin:"\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*n?\\b"},{
+begin:"\\b0[bB][0-1](_?[0-1])*n?\\b"},{begin:"\\b0[oO][0-7](_?[0-7])*n?\\b"},{
+begin:"\\b0[0-7]+n?\\b"}],relevance:0},y={className:"subst",begin:"\\$\\{",
+end:"\\}",keywords:g,contains:[]},h={begin:"html`",end:"",starts:{end:"`",
+returnEnd:!1,contains:[o.BACKSLASH_ESCAPE,y],subLanguage:"xml"}},N={
+begin:"css`",end:"",starts:{end:"`",returnEnd:!1,
+contains:[o.BACKSLASH_ESCAPE,y],subLanguage:"css"}},_={begin:"gql`",end:"",
+starts:{end:"`",returnEnd:!1,contains:[o.BACKSLASH_ESCAPE,y],
+subLanguage:"graphql"}},f={className:"string",begin:"`",end:"`",
+contains:[o.BACKSLASH_ESCAPE,y]},v={className:"comment",
+variants:[o.COMMENT(/\/\*\*(?!\/)/,"\\*/",{relevance:0,contains:[{
+begin:"(?=@[A-Za-z]+)",relevance:0,contains:[{className:"doctag",
+begin:"@[A-Za-z]+"},{className:"type",begin:"\\{",end:"\\}",excludeEnd:!0,
+excludeBegin:!0,relevance:0},{className:"variable",begin:b+"(?=\\s*(-)|$)",
+endsParent:!0,relevance:0},{begin:/(?=[^\n])\s/,relevance:0}]}]
+}),o.C_BLOCK_COMMENT_MODE,o.C_LINE_COMMENT_MODE]
+},p=[o.APOS_STRING_MODE,o.QUOTE_STRING_MODE,h,N,_,f,{match:/\$\d+/},A]
+;y.contains=p.concat({begin:/\{/,end:/\}/,keywords:g,contains:["self"].concat(p)
+});const S=[].concat(v,y.contains),w=S.concat([{begin:/\(/,end:/\)/,keywords:g,
+contains:["self"].concat(S)}]),R={className:"params",begin:/\(/,end:/\)/,
+excludeBegin:!0,excludeEnd:!0,keywords:g,contains:w},O={variants:[{
+match:[/class/,/\s+/,b,/\s+/,/extends/,/\s+/,l.concat(b,"(",l.concat(/\./,b),")*")],
+scope:{1:"keyword",3:"title.class",5:"keyword",7:"title.class.inherited"}},{
+match:[/class/,/\s+/,b],scope:{1:"keyword",3:"title.class"}}]},k={relevance:0,
+match:l.either(/\bJSON/,/\b[A-Z][a-z]+([A-Z][a-z]*|\d)*/,/\b[A-Z]{2,}([A-Z][a-z]+|\d)+([A-Z][a-z]*)*/,/\b[A-Z]{2,}[a-z]+([A-Z][a-z]+|\d)*([A-Z][a-z]*)*/),
+className:"title.class",keywords:{_:[...t,...s]}},I={variants:[{
+match:[/function/,/\s+/,b,/(?=\s*\()/]},{match:[/function/,/\s*(?=\()/]}],
+className:{1:"keyword",3:"title.function"},label:"func.def",contains:[R],
+illegal:/%/},x={
+match:l.concat(/\b/,(T=[...r,"super","import"],l.concat("(?!",T.join("|"),")")),b,l.lookahead(/\(/)),
+className:"title.function",relevance:0};var T;const C={
+begin:l.concat(/\./,l.lookahead(l.concat(b,/(?![0-9A-Za-z$_(])/))),end:b,
+excludeBegin:!0,keywords:"prototype",className:"property",relevance:0},M={
+match:[/get|set/,/\s+/,b,/(?=\()/],className:{1:"keyword",3:"title.function"},
+contains:[{begin:/\(\)/},R]
+},B="(\\([^()]*(\\([^()]*(\\([^()]*\\)[^()]*)*\\)[^()]*)*\\)|"+o.UNDERSCORE_IDENT_RE+")\\s*=>",$={
+match:[/const|var|let/,/\s+/,b,/\s*/,/=\s*/,/(async\s*)?/,l.lookahead(B)],
+keywords:"async",className:{1:"keyword",3:"title.function"},contains:[R]}
+;return{name:"JavaScript",aliases:["js","jsx","mjs","cjs"],keywords:g,exports:{
+PARAMS_CONTAINS:w,CLASS_REFERENCE:k},illegal:/#(?![$_A-z])/,
+contains:[o.SHEBANG({label:"shebang",binary:"node",relevance:5}),{
+label:"use_strict",className:"meta",relevance:10,
+begin:/^\s*['"]use (strict|asm)['"]/
+},o.APOS_STRING_MODE,o.QUOTE_STRING_MODE,h,N,_,f,v,{match:/\$\d+/},A,k,{
+className:"attr",begin:b+l.lookahead(":"),relevance:0},$,{
+begin:"("+o.RE_STARTERS_RE+"|\\b(case|return|throw)\\b)\\s*",
+keywords:"return throw case",relevance:0,contains:[v,o.REGEXP_MODE,{
+className:"function",begin:B,returnBegin:!0,end:"\\s*=>",contains:[{
+className:"params",variants:[{begin:o.UNDERSCORE_IDENT_RE,relevance:0},{
+className:null,begin:/\(\s*\)/,skip:!0},{begin:/\(/,end:/\)/,excludeBegin:!0,
+excludeEnd:!0,keywords:g,contains:w}]}]},{begin:/,/,relevance:0},{match:/\s+/,
+relevance:0},{variants:[{begin:"<>",end:"</>"},{
+match:/<[A-Za-z0-9\\._:-]+\s*\/>/},{begin:d.begin,
+"on:begin":d.isTrulyOpeningTag,end:d.end}],subLanguage:"xml",contains:[{
+begin:d.begin,end:d.end,skip:!0,contains:["self"]}]}]},I,{
+beginKeywords:"while if switch catch for"},{
+begin:"\\b(?!function)"+o.UNDERSCORE_IDENT_RE+"\\([^()]*(\\([^()]*(\\([^()]*\\)[^()]*)*\\)[^()]*)*\\)\\s*\\{",
+returnBegin:!0,label:"func.def",contains:[R,o.inherit(o.TITLE_MODE,{begin:b,
+className:"title.function"})]},{match:/\.\.\./,relevance:0},C,{match:"\\$"+b,
+relevance:0},{match:[/\bconstructor(?=\s*\()/],className:{1:"title.function"},
+contains:[R]},x,{relevance:0,match:/\b[A-Z][A-Z_0-9]+\b/,
+className:"variable.constant"},O,M,{match:/\$[(.]/}]}}})()
+;hljs.registerLanguage("javascript",e)})();

static/highlight/languages/json.js

@@ -0,0 +1,63 @@
+/*! `json` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: JSON
+  Description: JSON (JavaScript Object Notation) is a lightweight data-interchange format.
+  Author: Ivan Sagalaev <maniac@softwaremaniacs.org>
+  Website: http://www.json.org
+  Category: common, protocols, web
+  */
+
+  function json(hljs) {
+    const ATTRIBUTE = {
+      className: 'attr',
+      begin: /"(\\.|[^\\"\r\n])*"(?=\s*:)/,
+      relevance: 1.01
+    };
+    const PUNCTUATION = {
+      match: /[{}[\],:]/,
+      className: "punctuation",
+      relevance: 0
+    };
+    const LITERALS = [
+      "true",
+      "false",
+      "null"
+    ];
+    // NOTE: normally we would rely on `keywords` for this but using a mode here allows us
+    // - to use the very tight `illegal: \S` rule later to flag any other character
+    // - as illegal indicating that despite looking like JSON we do not truly have
+    // - JSON and thus improve false-positively greatly since JSON will try and claim
+    // - all sorts of JSON looking stuff
+    const LITERALS_MODE = {
+      scope: "literal",
+      beginKeywords: LITERALS.join(" "),
+    };
+
+    return {
+      name: 'JSON',
+      keywords:{
+        literal: LITERALS,
+      },
+      contains: [
+        ATTRIBUTE,
+        PUNCTUATION,
+        hljs.QUOTE_STRING_MODE,
+        LITERALS_MODE,
+        hljs.C_NUMBER_MODE,
+        hljs.C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE
+      ],
+      illegal: '\\S'
+    };
+  }
+
+  return json;
+
+})();
+
+    hljs.registerLanguage('json', hljsGrammar);
+  })();

static/highlight/languages/json.min.js

@@ -0,0 +1,7 @@
+/*! `json` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const a=["true","false","null"],n={
+scope:"literal",beginKeywords:a.join(" ")};return{name:"JSON",keywords:{
+literal:a},contains:[{className:"attr",begin:/"(\\.|[^\\"\r\n])*"(?=\s*:)/,
+relevance:1.01},{match:/[{}[\],:]/,className:"punctuation",relevance:0
+},e.QUOTE_STRING_MODE,n,e.C_NUMBER_MODE,e.C_LINE_COMMENT_MODE,e.C_BLOCK_COMMENT_MODE],
+illegal:"\\S"}}})();hljs.registerLanguage("json",e)})();

static/highlight/languages/kotlin.js

@@ -0,0 +1,296 @@
+/*! `kotlin` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  // https://docs.oracle.com/javase/specs/jls/se15/html/jls-3.html#jls-3.10
+  var decimalDigits = '[0-9](_*[0-9])*';
+  var frac = `\\.(${decimalDigits})`;
+  var hexDigits = '[0-9a-fA-F](_*[0-9a-fA-F])*';
+  var NUMERIC = {
+    className: 'number',
+    variants: [
+      // DecimalFloatingPointLiteral
+      // including ExponentPart
+      { begin: `(\\b(${decimalDigits})((${frac})|\\.)?|(${frac}))` +
+        `[eE][+-]?(${decimalDigits})[fFdD]?\\b` },
+      // excluding ExponentPart
+      { begin: `\\b(${decimalDigits})((${frac})[fFdD]?\\b|\\.([fFdD]\\b)?)` },
+      { begin: `(${frac})[fFdD]?\\b` },
+      { begin: `\\b(${decimalDigits})[fFdD]\\b` },
+
+      // HexadecimalFloatingPointLiteral
+      { begin: `\\b0[xX]((${hexDigits})\\.?|(${hexDigits})?\\.(${hexDigits}))` +
+        `[pP][+-]?(${decimalDigits})[fFdD]?\\b` },
+
+      // DecimalIntegerLiteral
+      { begin: '\\b(0|[1-9](_*[0-9])*)[lL]?\\b' },
+
+      // HexIntegerLiteral
+      { begin: `\\b0[xX](${hexDigits})[lL]?\\b` },
+
+      // OctalIntegerLiteral
+      { begin: '\\b0(_*[0-7])*[lL]?\\b' },
+
+      // BinaryIntegerLiteral
+      { begin: '\\b0[bB][01](_*[01])*[lL]?\\b' },
+    ],
+    relevance: 0
+  };
+
+  /*
+   Language: Kotlin
+   Description: Kotlin is an OSS statically typed programming language that targets the JVM, Android, JavaScript and Native.
+   Author: Sergey Mashkov <cy6erGn0m@gmail.com>
+   Website: https://kotlinlang.org
+   Category: common
+   */
+
+
+  function kotlin(hljs) {
+    const KEYWORDS = {
+      keyword:
+        'abstract as val var vararg get set class object open private protected public noinline '
+        + 'crossinline dynamic final enum if else do while for when throw try catch finally '
+        + 'import package is in fun override companion reified inline lateinit init '
+        + 'interface annotation data sealed internal infix operator out by constructor super '
+        + 'tailrec where const inner suspend typealias external expect actual',
+      built_in:
+        'Byte Short Char Int Long Boolean Float Double Void Unit Nothing',
+      literal:
+        'true false null'
+    };
+    const KEYWORDS_WITH_LABEL = {
+      className: 'keyword',
+      begin: /\b(break|continue|return|this)\b/,
+      starts: { contains: [
+        {
+          className: 'symbol',
+          begin: /@\w+/
+        }
+      ] }
+    };
+    const LABEL = {
+      className: 'symbol',
+      begin: hljs.UNDERSCORE_IDENT_RE + '@'
+    };
+
+    // for string templates
+    const SUBST = {
+      className: 'subst',
+      begin: /\$\{/,
+      end: /\}/,
+      contains: [ hljs.C_NUMBER_MODE ]
+    };
+    const VARIABLE = {
+      className: 'variable',
+      begin: '\\$' + hljs.UNDERSCORE_IDENT_RE
+    };
+    const STRING = {
+      className: 'string',
+      variants: [
+        {
+          begin: '"""',
+          end: '"""(?=[^"])',
+          contains: [
+            VARIABLE,
+            SUBST
+          ]
+        },
+        // Can't use built-in modes easily, as we want to use STRING in the meta
+        // context as 'meta-string' and there's no syntax to remove explicitly set
+        // classNames in built-in modes.
+        {
+          begin: '\'',
+          end: '\'',
+          illegal: /\n/,
+          contains: [ hljs.BACKSLASH_ESCAPE ]
+        },
+        {
+          begin: '"',
+          end: '"',
+          illegal: /\n/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            VARIABLE,
+            SUBST
+          ]
+        }
+      ]
+    };
+    SUBST.contains.push(STRING);
+
+    const ANNOTATION_USE_SITE = {
+      className: 'meta',
+      begin: '@(?:file|property|field|get|set|receiver|param|setparam|delegate)\\s*:(?:\\s*' + hljs.UNDERSCORE_IDENT_RE + ')?'
+    };
+    const ANNOTATION = {
+      className: 'meta',
+      begin: '@' + hljs.UNDERSCORE_IDENT_RE,
+      contains: [
+        {
+          begin: /\(/,
+          end: /\)/,
+          contains: [
+            hljs.inherit(STRING, { className: 'string' }),
+            "self"
+          ]
+        }
+      ]
+    };
+
+    // https://kotlinlang.org/docs/reference/whatsnew11.html#underscores-in-numeric-literals
+    // According to the doc above, the number mode of kotlin is the same as java 8,
+    // so the code below is copied from java.js
+    const KOTLIN_NUMBER_MODE = NUMERIC;
+    const KOTLIN_NESTED_COMMENT = hljs.COMMENT(
+      '/\\*', '\\*/',
+      { contains: [ hljs.C_BLOCK_COMMENT_MODE ] }
+    );
+    const KOTLIN_PAREN_TYPE = { variants: [
+      {
+        className: 'type',
+        begin: hljs.UNDERSCORE_IDENT_RE
+      },
+      {
+        begin: /\(/,
+        end: /\)/,
+        contains: [] // defined later
+      }
+    ] };
+    const KOTLIN_PAREN_TYPE2 = KOTLIN_PAREN_TYPE;
+    KOTLIN_PAREN_TYPE2.variants[1].contains = [ KOTLIN_PAREN_TYPE ];
+    KOTLIN_PAREN_TYPE.variants[1].contains = [ KOTLIN_PAREN_TYPE2 ];
+
+    return {
+      name: 'Kotlin',
+      aliases: [
+        'kt',
+        'kts'
+      ],
+      keywords: KEYWORDS,
+      contains: [
+        hljs.COMMENT(
+          '/\\*\\*',
+          '\\*/',
+          {
+            relevance: 0,
+            contains: [
+              {
+                className: 'doctag',
+                begin: '@[A-Za-z]+'
+              }
+            ]
+          }
+        ),
+        hljs.C_LINE_COMMENT_MODE,
+        KOTLIN_NESTED_COMMENT,
+        KEYWORDS_WITH_LABEL,
+        LABEL,
+        ANNOTATION_USE_SITE,
+        ANNOTATION,
+        {
+          className: 'function',
+          beginKeywords: 'fun',
+          end: '[(]|$',
+          returnBegin: true,
+          excludeEnd: true,
+          keywords: KEYWORDS,
+          relevance: 5,
+          contains: [
+            {
+              begin: hljs.UNDERSCORE_IDENT_RE + '\\s*\\(',
+              returnBegin: true,
+              relevance: 0,
+              contains: [ hljs.UNDERSCORE_TITLE_MODE ]
+            },
+            {
+              className: 'type',
+              begin: /</,
+              end: />/,
+              keywords: 'reified',
+              relevance: 0
+            },
+            {
+              className: 'params',
+              begin: /\(/,
+              end: /\)/,
+              endsParent: true,
+              keywords: KEYWORDS,
+              relevance: 0,
+              contains: [
+                {
+                  begin: /:/,
+                  end: /[=,\/]/,
+                  endsWithParent: true,
+                  contains: [
+                    KOTLIN_PAREN_TYPE,
+                    hljs.C_LINE_COMMENT_MODE,
+                    KOTLIN_NESTED_COMMENT
+                  ],
+                  relevance: 0
+                },
+                hljs.C_LINE_COMMENT_MODE,
+                KOTLIN_NESTED_COMMENT,
+                ANNOTATION_USE_SITE,
+                ANNOTATION,
+                STRING,
+                hljs.C_NUMBER_MODE
+              ]
+            },
+            KOTLIN_NESTED_COMMENT
+          ]
+        },
+        {
+          begin: [
+            /class|interface|trait/,
+            /\s+/,
+            hljs.UNDERSCORE_IDENT_RE
+          ],
+          beginScope: {
+            3: "title.class"
+          },
+          keywords: 'class interface trait',
+          end: /[:\{(]|$/,
+          excludeEnd: true,
+          illegal: 'extends implements',
+          contains: [
+            { beginKeywords: 'public protected internal private constructor' },
+            hljs.UNDERSCORE_TITLE_MODE,
+            {
+              className: 'type',
+              begin: /</,
+              end: />/,
+              excludeBegin: true,
+              excludeEnd: true,
+              relevance: 0
+            },
+            {
+              className: 'type',
+              begin: /[,:]\s*/,
+              end: /[<\(,){\s]|$/,
+              excludeBegin: true,
+              returnEnd: true
+            },
+            ANNOTATION_USE_SITE,
+            ANNOTATION
+          ]
+        },
+        STRING,
+        {
+          className: 'meta',
+          begin: "^#!/usr/bin/env",
+          end: '$',
+          illegal: '\n'
+        },
+        KOTLIN_NUMBER_MODE
+      ]
+    };
+  }
+
+  return kotlin;
+
+})();
+
+    hljs.registerLanguage('kotlin', hljsGrammar);
+  })();

static/highlight/languages/kotlin.min.js

@@ -0,0 +1,46 @@
+/*! `kotlin` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict"
+;var e="[0-9](_*[0-9])*",n=`\\.(${e})`,a="[0-9a-fA-F](_*[0-9a-fA-F])*",i={
+className:"number",variants:[{
+begin:`(\\b(${e})((${n})|\\.)?|(${n}))[eE][+-]?(${e})[fFdD]?\\b`},{
+begin:`\\b(${e})((${n})[fFdD]?\\b|\\.([fFdD]\\b)?)`},{begin:`(${n})[fFdD]?\\b`
+},{begin:`\\b(${e})[fFdD]\\b`},{
+begin:`\\b0[xX]((${a})\\.?|(${a})?\\.(${a}))[pP][+-]?(${e})[fFdD]?\\b`},{
+begin:"\\b(0|[1-9](_*[0-9])*)[lL]?\\b"},{begin:`\\b0[xX](${a})[lL]?\\b`},{
+begin:"\\b0(_*[0-7])*[lL]?\\b"},{begin:"\\b0[bB][01](_*[01])*[lL]?\\b"}],
+relevance:0};return e=>{const n={
+keyword:"abstract as val var vararg get set class object open private protected public noinline crossinline dynamic final enum if else do while for when throw try catch finally import package is in fun override companion reified inline lateinit init interface annotation data sealed internal infix operator out by constructor super tailrec where const inner suspend typealias external expect actual",
+built_in:"Byte Short Char Int Long Boolean Float Double Void Unit Nothing",
+literal:"true false null"},a={className:"symbol",begin:e.UNDERSCORE_IDENT_RE+"@"
+},s={className:"subst",begin:/\$\{/,end:/\}/,contains:[e.C_NUMBER_MODE]},t={
+className:"variable",begin:"\\$"+e.UNDERSCORE_IDENT_RE},r={className:"string",
+variants:[{begin:'"""',end:'"""(?=[^"])',contains:[t,s]},{begin:"'",end:"'",
+illegal:/\n/,contains:[e.BACKSLASH_ESCAPE]},{begin:'"',end:'"',illegal:/\n/,
+contains:[e.BACKSLASH_ESCAPE,t,s]}]};s.contains.push(r);const l={
+className:"meta",
+begin:"@(?:file|property|field|get|set|receiver|param|setparam|delegate)\\s*:(?:\\s*"+e.UNDERSCORE_IDENT_RE+")?"
+},c={className:"meta",begin:"@"+e.UNDERSCORE_IDENT_RE,contains:[{begin:/\(/,
+end:/\)/,contains:[e.inherit(r,{className:"string"}),"self"]}]
+},o=i,b=e.COMMENT("/\\*","\\*/",{contains:[e.C_BLOCK_COMMENT_MODE]}),E={
+variants:[{className:"type",begin:e.UNDERSCORE_IDENT_RE},{begin:/\(/,end:/\)/,
+contains:[]}]},d=E;return d.variants[1].contains=[E],E.variants[1].contains=[d],
+{name:"Kotlin",aliases:["kt","kts"],keywords:n,
+contains:[e.COMMENT("/\\*\\*","\\*/",{relevance:0,contains:[{className:"doctag",
+begin:"@[A-Za-z]+"}]}),e.C_LINE_COMMENT_MODE,b,{className:"keyword",
+begin:/\b(break|continue|return|this)\b/,starts:{contains:[{className:"symbol",
+begin:/@\w+/}]}},a,l,c,{className:"function",beginKeywords:"fun",end:"[(]|$",
+returnBegin:!0,excludeEnd:!0,keywords:n,relevance:5,contains:[{
+begin:e.UNDERSCORE_IDENT_RE+"\\s*\\(",returnBegin:!0,relevance:0,
+contains:[e.UNDERSCORE_TITLE_MODE]},{className:"type",begin:/</,end:/>/,
+keywords:"reified",relevance:0},{className:"params",begin:/\(/,end:/\)/,
+endsParent:!0,keywords:n,relevance:0,contains:[{begin:/:/,end:/[=,\/]/,
+endsWithParent:!0,contains:[E,e.C_LINE_COMMENT_MODE,b],relevance:0
+},e.C_LINE_COMMENT_MODE,b,l,c,r,e.C_NUMBER_MODE]},b]},{
+begin:[/class|interface|trait/,/\s+/,e.UNDERSCORE_IDENT_RE],beginScope:{
+3:"title.class"},keywords:"class interface trait",end:/[:\{(]|$/,excludeEnd:!0,
+illegal:"extends implements",contains:[{
+beginKeywords:"public protected internal private constructor"
+},e.UNDERSCORE_TITLE_MODE,{className:"type",begin:/</,end:/>/,excludeBegin:!0,
+excludeEnd:!0,relevance:0},{className:"type",begin:/[,:]\s*/,end:/[<\(,){\s]|$/,
+excludeBegin:!0,returnEnd:!0},l,c]},r,{className:"meta",begin:"^#!/usr/bin/env",
+end:"$",illegal:"\n"},o]}}})();hljs.registerLanguage("kotlin",e)})();

static/highlight/languages/php.js

@@ -0,0 +1,623 @@
+/*! `php` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: PHP
+  Author: Victor Karamzin <Victor.Karamzin@enterra-inc.com>
+  Contributors: Evgeny Stepanischev <imbolk@gmail.com>, Ivan Sagalaev <maniac@softwaremaniacs.org>
+  Website: https://www.php.net
+  Category: common
+  */
+
+  /**
+   * @param {HLJSApi} hljs
+   * @returns {LanguageDetail}
+   * */
+  function php(hljs) {
+    const regex = hljs.regex;
+    // negative look-ahead tries to avoid matching patterns that are not
+    // Perl at all like $ident$, @ident@, etc.
+    const NOT_PERL_ETC = /(?![A-Za-z0-9])(?![$])/;
+    const IDENT_RE = regex.concat(
+      /[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/,
+      NOT_PERL_ETC);
+    // Will not detect camelCase classes
+    const PASCAL_CASE_CLASS_NAME_RE = regex.concat(
+      /(\\?[A-Z][a-z0-9_\x7f-\xff]+|\\?[A-Z]+(?=[A-Z][a-z0-9_\x7f-\xff])){1,}/,
+      NOT_PERL_ETC);
+    const VARIABLE = {
+      scope: 'variable',
+      match: '\\$+' + IDENT_RE,
+    };
+    const PREPROCESSOR = {
+      scope: 'meta',
+      variants: [
+        { begin: /<\?php/, relevance: 10 }, // boost for obvious PHP
+        { begin: /<\?=/ },
+        // less relevant per PSR-1 which says not to use short-tags
+        { begin: /<\?/, relevance: 0.1 },
+        { begin: /\?>/ } // end php tag
+      ]
+    };
+    const SUBST = {
+      scope: 'subst',
+      variants: [
+        { begin: /\$\w+/ },
+        {
+          begin: /\{\$/,
+          end: /\}/
+        }
+      ]
+    };
+    const SINGLE_QUOTED = hljs.inherit(hljs.APOS_STRING_MODE, { illegal: null, });
+    const DOUBLE_QUOTED = hljs.inherit(hljs.QUOTE_STRING_MODE, {
+      illegal: null,
+      contains: hljs.QUOTE_STRING_MODE.contains.concat(SUBST),
+    });
+
+    const HEREDOC = {
+      begin: /<<<[ \t]*(?:(\w+)|"(\w+)")\n/,
+      end: /[ \t]*(\w+)\b/,
+      contains: hljs.QUOTE_STRING_MODE.contains.concat(SUBST),
+      'on:begin': (m, resp) => { resp.data._beginMatch = m[1] || m[2]; },
+      'on:end': (m, resp) => { if (resp.data._beginMatch !== m[1]) resp.ignoreMatch(); },
+    };
+
+    const NOWDOC = hljs.END_SAME_AS_BEGIN({
+      begin: /<<<[ \t]*'(\w+)'\n/,
+      end: /[ \t]*(\w+)\b/,
+    });
+    // list of valid whitespaces because non-breaking space might be part of a IDENT_RE
+    const WHITESPACE = '[ \t\n]';
+    const STRING = {
+      scope: 'string',
+      variants: [
+        DOUBLE_QUOTED,
+        SINGLE_QUOTED,
+        HEREDOC,
+        NOWDOC
+      ]
+    };
+    const NUMBER = {
+      scope: 'number',
+      variants: [
+        { begin: `\\b0[bB][01]+(?:_[01]+)*\\b` }, // Binary w/ underscore support
+        { begin: `\\b0[oO][0-7]+(?:_[0-7]+)*\\b` }, // Octals w/ underscore support
+        { begin: `\\b0[xX][\\da-fA-F]+(?:_[\\da-fA-F]+)*\\b` }, // Hex w/ underscore support
+        // Decimals w/ underscore support, with optional fragments and scientific exponent (e) suffix.
+        { begin: `(?:\\b\\d+(?:_\\d+)*(\\.(?:\\d+(?:_\\d+)*))?|\\B\\.\\d+)(?:[eE][+-]?\\d+)?` }
+      ],
+      relevance: 0
+    };
+    const LITERALS = [
+      "false",
+      "null",
+      "true"
+    ];
+    const KWS = [
+      // Magic constants:
+      // <https://www.php.net/manual/en/language.constants.predefined.php>
+      "__CLASS__",
+      "__DIR__",
+      "__FILE__",
+      "__FUNCTION__",
+      "__COMPILER_HALT_OFFSET__",
+      "__LINE__",
+      "__METHOD__",
+      "__NAMESPACE__",
+      "__TRAIT__",
+      // Function that look like language construct or language construct that look like function:
+      // List of keywords that may not require parenthesis
+      "die",
+      "echo",
+      "exit",
+      "include",
+      "include_once",
+      "print",
+      "require",
+      "require_once",
+      // These are not language construct (function) but operate on the currently-executing function and can access the current symbol table
+      // 'compact extract func_get_arg func_get_args func_num_args get_called_class get_parent_class ' +
+      // Other keywords:
+      // <https://www.php.net/manual/en/reserved.php>
+      // <https://www.php.net/manual/en/language.types.type-juggling.php>
+      "array",
+      "abstract",
+      "and",
+      "as",
+      "binary",
+      "bool",
+      "boolean",
+      "break",
+      "callable",
+      "case",
+      "catch",
+      "class",
+      "clone",
+      "const",
+      "continue",
+      "declare",
+      "default",
+      "do",
+      "double",
+      "else",
+      "elseif",
+      "empty",
+      "enddeclare",
+      "endfor",
+      "endforeach",
+      "endif",
+      "endswitch",
+      "endwhile",
+      "enum",
+      "eval",
+      "extends",
+      "final",
+      "finally",
+      "float",
+      "for",
+      "foreach",
+      "from",
+      "global",
+      "goto",
+      "if",
+      "implements",
+      "instanceof",
+      "insteadof",
+      "int",
+      "integer",
+      "interface",
+      "isset",
+      "iterable",
+      "list",
+      "match|0",
+      "mixed",
+      "new",
+      "never",
+      "object",
+      "or",
+      "private",
+      "protected",
+      "public",
+      "readonly",
+      "real",
+      "return",
+      "string",
+      "switch",
+      "throw",
+      "trait",
+      "try",
+      "unset",
+      "use",
+      "var",
+      "void",
+      "while",
+      "xor",
+      "yield"
+    ];
+
+    const BUILT_INS = [
+      // Standard PHP library:
+      // <https://www.php.net/manual/en/book.spl.php>
+      "Error|0",
+      "AppendIterator",
+      "ArgumentCountError",
+      "ArithmeticError",
+      "ArrayIterator",
+      "ArrayObject",
+      "AssertionError",
+      "BadFunctionCallException",
+      "BadMethodCallException",
+      "CachingIterator",
+      "CallbackFilterIterator",
+      "CompileError",
+      "Countable",
+      "DirectoryIterator",
+      "DivisionByZeroError",
+      "DomainException",
+      "EmptyIterator",
+      "ErrorException",
+      "Exception",
+      "FilesystemIterator",
+      "FilterIterator",
+      "GlobIterator",
+      "InfiniteIterator",
+      "InvalidArgumentException",
+      "IteratorIterator",
+      "LengthException",
+      "LimitIterator",
+      "LogicException",
+      "MultipleIterator",
+      "NoRewindIterator",
+      "OutOfBoundsException",
+      "OutOfRangeException",
+      "OuterIterator",
+      "OverflowException",
+      "ParentIterator",
+      "ParseError",
+      "RangeException",
+      "RecursiveArrayIterator",
+      "RecursiveCachingIterator",
+      "RecursiveCallbackFilterIterator",
+      "RecursiveDirectoryIterator",
+      "RecursiveFilterIterator",
+      "RecursiveIterator",
+      "RecursiveIteratorIterator",
+      "RecursiveRegexIterator",
+      "RecursiveTreeIterator",
+      "RegexIterator",
+      "RuntimeException",
+      "SeekableIterator",
+      "SplDoublyLinkedList",
+      "SplFileInfo",
+      "SplFileObject",
+      "SplFixedArray",
+      "SplHeap",
+      "SplMaxHeap",
+      "SplMinHeap",
+      "SplObjectStorage",
+      "SplObserver",
+      "SplPriorityQueue",
+      "SplQueue",
+      "SplStack",
+      "SplSubject",
+      "SplTempFileObject",
+      "TypeError",
+      "UnderflowException",
+      "UnexpectedValueException",
+      "UnhandledMatchError",
+      // Reserved interfaces:
+      // <https://www.php.net/manual/en/reserved.interfaces.php>
+      "ArrayAccess",
+      "BackedEnum",
+      "Closure",
+      "Fiber",
+      "Generator",
+      "Iterator",
+      "IteratorAggregate",
+      "Serializable",
+      "Stringable",
+      "Throwable",
+      "Traversable",
+      "UnitEnum",
+      "WeakReference",
+      "WeakMap",
+      // Reserved classes:
+      // <https://www.php.net/manual/en/reserved.classes.php>
+      "Directory",
+      "__PHP_Incomplete_Class",
+      "parent",
+      "php_user_filter",
+      "self",
+      "static",
+      "stdClass"
+    ];
+
+    /** Dual-case keywords
+     *
+     * ["then","FILE"] =>
+     *     ["then", "THEN", "FILE", "file"]
+     *
+     * @param {string[]} items */
+    const dualCase = (items) => {
+      /** @type string[] */
+      const result = [];
+      items.forEach(item => {
+        result.push(item);
+        if (item.toLowerCase() === item) {
+          result.push(item.toUpperCase());
+        } else {
+          result.push(item.toLowerCase());
+        }
+      });
+      return result;
+    };
+
+    const KEYWORDS = {
+      keyword: KWS,
+      literal: dualCase(LITERALS),
+      built_in: BUILT_INS,
+    };
+
+    /**
+     * @param {string[]} items */
+    const normalizeKeywords = (items) => {
+      return items.map(item => {
+        return item.replace(/\|\d+$/, "");
+      });
+    };
+
+    const CONSTRUCTOR_CALL = { variants: [
+      {
+        match: [
+          /new/,
+          regex.concat(WHITESPACE, "+"),
+          // to prevent built ins from being confused as the class constructor call
+          regex.concat("(?!", normalizeKeywords(BUILT_INS).join("\\b|"), "\\b)"),
+          PASCAL_CASE_CLASS_NAME_RE,
+        ],
+        scope: {
+          1: "keyword",
+          4: "title.class",
+        },
+      }
+    ] };
+
+    const CONSTANT_REFERENCE = regex.concat(IDENT_RE, "\\b(?!\\()");
+
+    const LEFT_AND_RIGHT_SIDE_OF_DOUBLE_COLON = { variants: [
+      {
+        match: [
+          regex.concat(
+            /::/,
+            regex.lookahead(/(?!class\b)/)
+          ),
+          CONSTANT_REFERENCE,
+        ],
+        scope: { 2: "variable.constant", },
+      },
+      {
+        match: [
+          /::/,
+          /class/,
+        ],
+        scope: { 2: "variable.language", },
+      },
+      {
+        match: [
+          PASCAL_CASE_CLASS_NAME_RE,
+          regex.concat(
+            /::/,
+            regex.lookahead(/(?!class\b)/)
+          ),
+          CONSTANT_REFERENCE,
+        ],
+        scope: {
+          1: "title.class",
+          3: "variable.constant",
+        },
+      },
+      {
+        match: [
+          PASCAL_CASE_CLASS_NAME_RE,
+          regex.concat(
+            "::",
+            regex.lookahead(/(?!class\b)/)
+          ),
+        ],
+        scope: { 1: "title.class", },
+      },
+      {
+        match: [
+          PASCAL_CASE_CLASS_NAME_RE,
+          /::/,
+          /class/,
+        ],
+        scope: {
+          1: "title.class",
+          3: "variable.language",
+        },
+      }
+    ] };
+
+    const NAMED_ARGUMENT = {
+      scope: 'attr',
+      match: regex.concat(IDENT_RE, regex.lookahead(':'), regex.lookahead(/(?!::)/)),
+    };
+    const PARAMS_MODE = {
+      relevance: 0,
+      begin: /\(/,
+      end: /\)/,
+      keywords: KEYWORDS,
+      contains: [
+        NAMED_ARGUMENT,
+        VARIABLE,
+        LEFT_AND_RIGHT_SIDE_OF_DOUBLE_COLON,
+        hljs.C_BLOCK_COMMENT_MODE,
+        STRING,
+        NUMBER,
+        CONSTRUCTOR_CALL,
+      ],
+    };
+    const FUNCTION_INVOKE = {
+      relevance: 0,
+      match: [
+        /\b/,
+        // to prevent keywords from being confused as the function title
+        regex.concat("(?!fn\\b|function\\b|", normalizeKeywords(KWS).join("\\b|"), "|", normalizeKeywords(BUILT_INS).join("\\b|"), "\\b)"),
+        IDENT_RE,
+        regex.concat(WHITESPACE, "*"),
+        regex.lookahead(/(?=\()/)
+      ],
+      scope: { 3: "title.function.invoke", },
+      contains: [ PARAMS_MODE ]
+    };
+    PARAMS_MODE.contains.push(FUNCTION_INVOKE);
+
+    const ATTRIBUTE_CONTAINS = [
+      NAMED_ARGUMENT,
+      LEFT_AND_RIGHT_SIDE_OF_DOUBLE_COLON,
+      hljs.C_BLOCK_COMMENT_MODE,
+      STRING,
+      NUMBER,
+      CONSTRUCTOR_CALL,
+    ];
+
+    const ATTRIBUTES = {
+      begin: regex.concat(/#\[\s*/, PASCAL_CASE_CLASS_NAME_RE),
+      beginScope: "meta",
+      end: /]/,
+      endScope: "meta",
+      keywords: {
+        literal: LITERALS,
+        keyword: [
+          'new',
+          'array',
+        ]
+      },
+      contains: [
+        {
+          begin: /\[/,
+          end: /]/,
+          keywords: {
+            literal: LITERALS,
+            keyword: [
+              'new',
+              'array',
+            ]
+          },
+          contains: [
+            'self',
+            ...ATTRIBUTE_CONTAINS,
+          ]
+        },
+        ...ATTRIBUTE_CONTAINS,
+        {
+          scope: 'meta',
+          match: PASCAL_CASE_CLASS_NAME_RE
+        }
+      ]
+    };
+
+    return {
+      case_insensitive: false,
+      keywords: KEYWORDS,
+      contains: [
+        ATTRIBUTES,
+        hljs.HASH_COMMENT_MODE,
+        hljs.COMMENT('//', '$'),
+        hljs.COMMENT(
+          '/\\*',
+          '\\*/',
+          { contains: [
+            {
+              scope: 'doctag',
+              match: '@[A-Za-z]+'
+            }
+          ] }
+        ),
+        {
+          match: /__halt_compiler\(\);/,
+          keywords: '__halt_compiler',
+          starts: {
+            scope: "comment",
+            end: hljs.MATCH_NOTHING_RE,
+            contains: [
+              {
+                match: /\?>/,
+                scope: "meta",
+                endsParent: true
+              }
+            ]
+          }
+        },
+        PREPROCESSOR,
+        {
+          scope: 'variable.language',
+          match: /\$this\b/
+        },
+        VARIABLE,
+        FUNCTION_INVOKE,
+        LEFT_AND_RIGHT_SIDE_OF_DOUBLE_COLON,
+        {
+          match: [
+            /const/,
+            /\s/,
+            IDENT_RE,
+          ],
+          scope: {
+            1: "keyword",
+            3: "variable.constant",
+          },
+        },
+        CONSTRUCTOR_CALL,
+        {
+          scope: 'function',
+          relevance: 0,
+          beginKeywords: 'fn function',
+          end: /[;{]/,
+          excludeEnd: true,
+          illegal: '[$%\\[]',
+          contains: [
+            { beginKeywords: 'use', },
+            hljs.UNDERSCORE_TITLE_MODE,
+            {
+              begin: '=>', // No markup, just a relevance booster
+              endsParent: true
+            },
+            {
+              scope: 'params',
+              begin: '\\(',
+              end: '\\)',
+              excludeBegin: true,
+              excludeEnd: true,
+              keywords: KEYWORDS,
+              contains: [
+                'self',
+                VARIABLE,
+                LEFT_AND_RIGHT_SIDE_OF_DOUBLE_COLON,
+                hljs.C_BLOCK_COMMENT_MODE,
+                STRING,
+                NUMBER
+              ]
+            },
+          ]
+        },
+        {
+          scope: 'class',
+          variants: [
+            {
+              beginKeywords: "enum",
+              illegal: /[($"]/
+            },
+            {
+              beginKeywords: "class interface trait",
+              illegal: /[:($"]/
+            }
+          ],
+          relevance: 0,
+          end: /\{/,
+          excludeEnd: true,
+          contains: [
+            { beginKeywords: 'extends implements' },
+            hljs.UNDERSCORE_TITLE_MODE
+          ]
+        },
+        // both use and namespace still use "old style" rules (vs multi-match)
+        // because the namespace name can include `\` and we still want each
+        // element to be treated as its own *individual* title
+        {
+          beginKeywords: 'namespace',
+          relevance: 0,
+          end: ';',
+          illegal: /[.']/,
+          contains: [ hljs.inherit(hljs.UNDERSCORE_TITLE_MODE, { scope: "title.class" }) ]
+        },
+        {
+          beginKeywords: 'use',
+          relevance: 0,
+          end: ';',
+          contains: [
+            // TODO: title.function vs title.class
+            {
+              match: /\b(as|const|function)\b/,
+              scope: "keyword"
+            },
+            // TODO: could be title.class or title.function
+            hljs.UNDERSCORE_TITLE_MODE
+          ]
+        },
+        STRING,
+        NUMBER,
+      ]
+    };
+  }
+
+  return php;
+
+})();
+
+    hljs.registerLanguage('php', hljsGrammar);
+  })();

static/highlight/languages/php.min.js

@@ -0,0 +1,58 @@
+/*! `php` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const t=e.regex,a=/(?![A-Za-z0-9])(?![$])/,r=t.concat(/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/,a),n=t.concat(/(\\?[A-Z][a-z0-9_\x7f-\xff]+|\\?[A-Z]+(?=[A-Z][a-z0-9_\x7f-\xff])){1,}/,a),o={
+scope:"variable",match:"\\$+"+r},c={scope:"subst",variants:[{begin:/\$\w+/},{
+begin:/\{\$/,end:/\}/}]},i=e.inherit(e.APOS_STRING_MODE,{illegal:null
+}),s="[ \t\n]",l={scope:"string",variants:[e.inherit(e.QUOTE_STRING_MODE,{
+illegal:null,contains:e.QUOTE_STRING_MODE.contains.concat(c)}),i,{
+begin:/<<<[ \t]*(?:(\w+)|"(\w+)")\n/,end:/[ \t]*(\w+)\b/,
+contains:e.QUOTE_STRING_MODE.contains.concat(c),"on:begin":(e,t)=>{
+t.data._beginMatch=e[1]||e[2]},"on:end":(e,t)=>{
+t.data._beginMatch!==e[1]&&t.ignoreMatch()}},e.END_SAME_AS_BEGIN({
+begin:/<<<[ \t]*'(\w+)'\n/,end:/[ \t]*(\w+)\b/})]},d={scope:"number",variants:[{
+begin:"\\b0[bB][01]+(?:_[01]+)*\\b"},{begin:"\\b0[oO][0-7]+(?:_[0-7]+)*\\b"},{
+begin:"\\b0[xX][\\da-fA-F]+(?:_[\\da-fA-F]+)*\\b"},{
+begin:"(?:\\b\\d+(?:_\\d+)*(\\.(?:\\d+(?:_\\d+)*))?|\\B\\.\\d+)(?:[eE][+-]?\\d+)?"
+}],relevance:0
+},_=["false","null","true"],p=["__CLASS__","__DIR__","__FILE__","__FUNCTION__","__COMPILER_HALT_OFFSET__","__LINE__","__METHOD__","__NAMESPACE__","__TRAIT__","die","echo","exit","include","include_once","print","require","require_once","array","abstract","and","as","binary","bool","boolean","break","callable","case","catch","class","clone","const","continue","declare","default","do","double","else","elseif","empty","enddeclare","endfor","endforeach","endif","endswitch","endwhile","enum","eval","extends","final","finally","float","for","foreach","from","global","goto","if","implements","instanceof","insteadof","int","integer","interface","isset","iterable","list","match|0","mixed","new","never","object","or","private","protected","public","readonly","real","return","string","switch","throw","trait","try","unset","use","var","void","while","xor","yield"],b=["Error|0","AppendIterator","ArgumentCountError","ArithmeticError","ArrayIterator","ArrayObject","AssertionError","BadFunctionCallException","BadMethodCallException","CachingIterator","CallbackFilterIterator","CompileError","Countable","DirectoryIterator","DivisionByZeroError","DomainException","EmptyIterator","ErrorException","Exception","FilesystemIterator","FilterIterator","GlobIterator","InfiniteIterator","InvalidArgumentException","IteratorIterator","LengthException","LimitIterator","LogicException","MultipleIterator","NoRewindIterator","OutOfBoundsException","OutOfRangeException","OuterIterator","OverflowException","ParentIterator","ParseError","RangeException","RecursiveArrayIterator","RecursiveCachingIterator","RecursiveCallbackFilterIterator","RecursiveDirectoryIterator","RecursiveFilterIterator","RecursiveIterator","RecursiveIteratorIterator","RecursiveRegexIterator","RecursiveTreeIterator","RegexIterator","RuntimeException","SeekableIterator","SplDoublyLinkedList","SplFileInfo","SplFileObject","SplFixedArray","SplHeap","SplMaxHeap","SplMinHeap","SplObjectStorage","SplObserver","SplPriorityQueue","SplQueue","SplStack","SplSubject","SplTempFileObject","TypeError","UnderflowException","UnexpectedValueException","UnhandledMatchError","ArrayAccess","BackedEnum","Closure","Fiber","Generator","Iterator","IteratorAggregate","Serializable","Stringable","Throwable","Traversable","UnitEnum","WeakReference","WeakMap","Directory","__PHP_Incomplete_Class","parent","php_user_filter","self","static","stdClass"],E={
+keyword:p,literal:(e=>{const t=[];return e.forEach((e=>{
+t.push(e),e.toLowerCase()===e?t.push(e.toUpperCase()):t.push(e.toLowerCase())
+})),t})(_),built_in:b},u=e=>e.map((e=>e.replace(/\|\d+$/,""))),g={variants:[{
+match:[/new/,t.concat(s,"+"),t.concat("(?!",u(b).join("\\b|"),"\\b)"),n],scope:{
+1:"keyword",4:"title.class"}}]},h=t.concat(r,"\\b(?!\\()"),m={variants:[{
+match:[t.concat(/::/,t.lookahead(/(?!class\b)/)),h],scope:{2:"variable.constant"
+}},{match:[/::/,/class/],scope:{2:"variable.language"}},{
+match:[n,t.concat(/::/,t.lookahead(/(?!class\b)/)),h],scope:{1:"title.class",
+3:"variable.constant"}},{match:[n,t.concat("::",t.lookahead(/(?!class\b)/))],
+scope:{1:"title.class"}},{match:[n,/::/,/class/],scope:{1:"title.class",
+3:"variable.language"}}]},I={scope:"attr",
+match:t.concat(r,t.lookahead(":"),t.lookahead(/(?!::)/))},f={relevance:0,
+begin:/\(/,end:/\)/,keywords:E,contains:[I,o,m,e.C_BLOCK_COMMENT_MODE,l,d,g]
+},O={relevance:0,
+match:[/\b/,t.concat("(?!fn\\b|function\\b|",u(p).join("\\b|"),"|",u(b).join("\\b|"),"\\b)"),r,t.concat(s,"*"),t.lookahead(/(?=\()/)],
+scope:{3:"title.function.invoke"},contains:[f]};f.contains.push(O)
+;const v=[I,m,e.C_BLOCK_COMMENT_MODE,l,d,g];return{case_insensitive:!1,
+keywords:E,contains:[{begin:t.concat(/#\[\s*/,n),beginScope:"meta",end:/]/,
+endScope:"meta",keywords:{literal:_,keyword:["new","array"]},contains:[{
+begin:/\[/,end:/]/,keywords:{literal:_,keyword:["new","array"]},
+contains:["self",...v]},...v,{scope:"meta",match:n}]
+},e.HASH_COMMENT_MODE,e.COMMENT("//","$"),e.COMMENT("/\\*","\\*/",{contains:[{
+scope:"doctag",match:"@[A-Za-z]+"}]}),{match:/__halt_compiler\(\);/,
+keywords:"__halt_compiler",starts:{scope:"comment",end:e.MATCH_NOTHING_RE,
+contains:[{match:/\?>/,scope:"meta",endsParent:!0}]}},{scope:"meta",variants:[{
+begin:/<\?php/,relevance:10},{begin:/<\?=/},{begin:/<\?/,relevance:.1},{
+begin:/\?>/}]},{scope:"variable.language",match:/\$this\b/},o,O,m,{
+match:[/const/,/\s/,r],scope:{1:"keyword",3:"variable.constant"}},g,{
+scope:"function",relevance:0,beginKeywords:"fn function",end:/[;{]/,
+excludeEnd:!0,illegal:"[$%\\[]",contains:[{beginKeywords:"use"
+},e.UNDERSCORE_TITLE_MODE,{begin:"=>",endsParent:!0},{scope:"params",
+begin:"\\(",end:"\\)",excludeBegin:!0,excludeEnd:!0,keywords:E,
+contains:["self",o,m,e.C_BLOCK_COMMENT_MODE,l,d]}]},{scope:"class",variants:[{
+beginKeywords:"enum",illegal:/[($"]/},{beginKeywords:"class interface trait",
+illegal:/[:($"]/}],relevance:0,end:/\{/,excludeEnd:!0,contains:[{
+beginKeywords:"extends implements"},e.UNDERSCORE_TITLE_MODE]},{
+beginKeywords:"namespace",relevance:0,end:";",illegal:/[.']/,
+contains:[e.inherit(e.UNDERSCORE_TITLE_MODE,{scope:"title.class"})]},{
+beginKeywords:"use",relevance:0,end:";",contains:[{
+match:/\b(as|const|function)\b/,scope:"keyword"},e.UNDERSCORE_TITLE_MODE]},l,d]}
+}})();hljs.registerLanguage("php",e)})();

static/highlight/languages/plaintext.js

@@ -0,0 +1,29 @@
+/*! `plaintext` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Plain text
+  Author: Egor Rogov (e.rogov@postgrespro.ru)
+  Description: Plain text without any highlighting.
+  Category: common
+  */
+
+  function plaintext(hljs) {
+    return {
+      name: 'Plain text',
+      aliases: [
+        'text',
+        'txt'
+      ],
+      disableAutodetect: true
+    };
+  }
+
+  return plaintext;
+
+})();
+
+    hljs.registerLanguage('plaintext', hljsGrammar);
+  })();

static/highlight/languages/plaintext.min.js

@@ -0,0 +1,4 @@
+/*! `plaintext` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var t=(()=>{"use strict";return t=>({name:"Plain text",
+aliases:["text","txt"],disableAutodetect:!0})})()
+;hljs.registerLanguage("plaintext",t)})();

static/highlight/languages/powershell.js

@@ -0,0 +1,327 @@
+/*! `powershell` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: PowerShell
+  Description: PowerShell is a task-based command-line shell and scripting language built on .NET.
+  Author: David Mohundro <david@mohundro.com>
+  Contributors: Nicholas Blumhardt <nblumhardt@nblumhardt.com>, Victor Zhou <OiCMudkips@users.noreply.github.com>, Nicolas Le Gall <contact@nlegall.fr>
+  Website: https://docs.microsoft.com/en-us/powershell/
+  Category: scripting
+  */
+
+  function powershell(hljs) {
+    const TYPES = [
+      "string",
+      "char",
+      "byte",
+      "int",
+      "long",
+      "bool",
+      "decimal",
+      "single",
+      "double",
+      "DateTime",
+      "xml",
+      "array",
+      "hashtable",
+      "void"
+    ];
+
+    // https://docs.microsoft.com/en-us/powershell/scripting/developer/cmdlet/approved-verbs-for-windows-powershell-commands
+    const VALID_VERBS =
+      'Add|Clear|Close|Copy|Enter|Exit|Find|Format|Get|Hide|Join|Lock|'
+      + 'Move|New|Open|Optimize|Pop|Push|Redo|Remove|Rename|Reset|Resize|'
+      + 'Search|Select|Set|Show|Skip|Split|Step|Switch|Undo|Unlock|'
+      + 'Watch|Backup|Checkpoint|Compare|Compress|Convert|ConvertFrom|'
+      + 'ConvertTo|Dismount|Edit|Expand|Export|Group|Import|Initialize|'
+      + 'Limit|Merge|Mount|Out|Publish|Restore|Save|Sync|Unpublish|Update|'
+      + 'Approve|Assert|Build|Complete|Confirm|Deny|Deploy|Disable|Enable|Install|Invoke|'
+      + 'Register|Request|Restart|Resume|Start|Stop|Submit|Suspend|Uninstall|'
+      + 'Unregister|Wait|Debug|Measure|Ping|Repair|Resolve|Test|Trace|Connect|'
+      + 'Disconnect|Read|Receive|Send|Write|Block|Grant|Protect|Revoke|Unblock|'
+      + 'Unprotect|Use|ForEach|Sort|Tee|Where';
+
+    const COMPARISON_OPERATORS =
+      '-and|-as|-band|-bnot|-bor|-bxor|-casesensitive|-ccontains|-ceq|-cge|-cgt|'
+      + '-cle|-clike|-clt|-cmatch|-cne|-cnotcontains|-cnotlike|-cnotmatch|-contains|'
+      + '-creplace|-csplit|-eq|-exact|-f|-file|-ge|-gt|-icontains|-ieq|-ige|-igt|'
+      + '-ile|-ilike|-ilt|-imatch|-in|-ine|-inotcontains|-inotlike|-inotmatch|'
+      + '-ireplace|-is|-isnot|-isplit|-join|-le|-like|-lt|-match|-ne|-not|'
+      + '-notcontains|-notin|-notlike|-notmatch|-or|-regex|-replace|-shl|-shr|'
+      + '-split|-wildcard|-xor';
+
+    const KEYWORDS = {
+      $pattern: /-?[A-z\.\-]+\b/,
+      keyword:
+        'if else foreach return do while until elseif begin for trap data dynamicparam '
+        + 'end break throw param continue finally in switch exit filter try process catch '
+        + 'hidden static parameter',
+      // "echo" relevance has been set to 0 to avoid auto-detect conflicts with shell transcripts
+      built_in:
+        'ac asnp cat cd CFS chdir clc clear clhy cli clp cls clv cnsn compare copy cp '
+        + 'cpi cpp curl cvpa dbp del diff dir dnsn ebp echo|0 epal epcsv epsn erase etsn exsn fc fhx '
+        + 'fl ft fw gal gbp gc gcb gci gcm gcs gdr gerr ghy gi gin gjb gl gm gmo gp gps gpv group '
+        + 'gsn gsnp gsv gtz gu gv gwmi h history icm iex ihy ii ipal ipcsv ipmo ipsn irm ise iwmi '
+        + 'iwr kill lp ls man md measure mi mount move mp mv nal ndr ni nmo npssc nsn nv ogv oh '
+        + 'popd ps pushd pwd r rbp rcjb rcsn rd rdr ren ri rjb rm rmdir rmo rni rnp rp rsn rsnp '
+        + 'rujb rv rvpa rwmi sajb sal saps sasv sbp sc scb select set shcm si sl sleep sls sort sp '
+        + 'spjb spps spsv start stz sujb sv swmi tee trcm type wget where wjb write'
+      // TODO: 'validate[A-Z]+' can't work in keywords
+    };
+
+    const TITLE_NAME_RE = /\w[\w\d]*((-)[\w\d]+)*/;
+
+    const BACKTICK_ESCAPE = {
+      begin: '`[\\s\\S]',
+      relevance: 0
+    };
+
+    const VAR = {
+      className: 'variable',
+      variants: [
+        { begin: /\$\B/ },
+        {
+          className: 'keyword',
+          begin: /\$this/
+        },
+        { begin: /\$[\w\d][\w\d_:]*/ }
+      ]
+    };
+
+    const LITERAL = {
+      className: 'literal',
+      begin: /\$(null|true|false)\b/
+    };
+
+    const QUOTE_STRING = {
+      className: "string",
+      variants: [
+        {
+          begin: /"/,
+          end: /"/
+        },
+        {
+          begin: /@"/,
+          end: /^"@/
+        }
+      ],
+      contains: [
+        BACKTICK_ESCAPE,
+        VAR,
+        {
+          className: 'variable',
+          begin: /\$[A-z]/,
+          end: /[^A-z]/
+        }
+      ]
+    };
+
+    const APOS_STRING = {
+      className: 'string',
+      variants: [
+        {
+          begin: /'/,
+          end: /'/
+        },
+        {
+          begin: /@'/,
+          end: /^'@/
+        }
+      ]
+    };
+
+    const PS_HELPTAGS = {
+      className: "doctag",
+      variants: [
+        /* no paramater help tags */
+        { begin: /\.(synopsis|description|example|inputs|outputs|notes|link|component|role|functionality)/ },
+        /* one parameter help tags */
+        { begin: /\.(parameter|forwardhelptargetname|forwardhelpcategory|remotehelprunspace|externalhelp)\s+\S+/ }
+      ]
+    };
+
+    const PS_COMMENT = hljs.inherit(
+      hljs.COMMENT(null, null),
+      {
+        variants: [
+          /* single-line comment */
+          {
+            begin: /#/,
+            end: /$/
+          },
+          /* multi-line comment */
+          {
+            begin: /<#/,
+            end: /#>/
+          }
+        ],
+        contains: [ PS_HELPTAGS ]
+      }
+    );
+
+    const CMDLETS = {
+      className: 'built_in',
+      variants: [ { begin: '('.concat(VALID_VERBS, ')+(-)[\\w\\d]+') } ]
+    };
+
+    const PS_CLASS = {
+      className: 'class',
+      beginKeywords: 'class enum',
+      end: /\s*[{]/,
+      excludeEnd: true,
+      relevance: 0,
+      contains: [ hljs.TITLE_MODE ]
+    };
+
+    const PS_FUNCTION = {
+      className: 'function',
+      begin: /function\s+/,
+      end: /\s*\{|$/,
+      excludeEnd: true,
+      returnBegin: true,
+      relevance: 0,
+      contains: [
+        {
+          begin: "function",
+          relevance: 0,
+          className: "keyword"
+        },
+        {
+          className: "title",
+          begin: TITLE_NAME_RE,
+          relevance: 0
+        },
+        {
+          begin: /\(/,
+          end: /\)/,
+          className: "params",
+          relevance: 0,
+          contains: [ VAR ]
+        }
+        // CMDLETS
+      ]
+    };
+
+    // Using statment, plus type, plus assembly name.
+    const PS_USING = {
+      begin: /using\s/,
+      end: /$/,
+      returnBegin: true,
+      contains: [
+        QUOTE_STRING,
+        APOS_STRING,
+        {
+          className: 'keyword',
+          begin: /(using|assembly|command|module|namespace|type)/
+        }
+      ]
+    };
+
+    // Comperison operators & function named parameters.
+    const PS_ARGUMENTS = { variants: [
+      // PS literals are pretty verbose so it's a good idea to accent them a bit.
+      {
+        className: 'operator',
+        begin: '('.concat(COMPARISON_OPERATORS, ')\\b')
+      },
+      {
+        className: 'literal',
+        begin: /(-){1,2}[\w\d-]+/,
+        relevance: 0
+      }
+    ] };
+
+    const HASH_SIGNS = {
+      className: 'selector-tag',
+      begin: /@\B/,
+      relevance: 0
+    };
+
+    // It's a very general rule so I'll narrow it a bit with some strict boundaries
+    // to avoid any possible false-positive collisions!
+    const PS_METHODS = {
+      className: 'function',
+      begin: /\[.*\]\s*[\w]+[ ]??\(/,
+      end: /$/,
+      returnBegin: true,
+      relevance: 0,
+      contains: [
+        {
+          className: 'keyword',
+          begin: '('.concat(
+            KEYWORDS.keyword.toString().replace(/\s/g, '|'
+            ), ')\\b'),
+          endsParent: true,
+          relevance: 0
+        },
+        hljs.inherit(hljs.TITLE_MODE, { endsParent: true })
+      ]
+    };
+
+    const GENTLEMANS_SET = [
+      // STATIC_MEMBER,
+      PS_METHODS,
+      PS_COMMENT,
+      BACKTICK_ESCAPE,
+      hljs.NUMBER_MODE,
+      QUOTE_STRING,
+      APOS_STRING,
+      // PS_NEW_OBJECT_TYPE,
+      CMDLETS,
+      VAR,
+      LITERAL,
+      HASH_SIGNS
+    ];
+
+    const PS_TYPE = {
+      begin: /\[/,
+      end: /\]/,
+      excludeBegin: true,
+      excludeEnd: true,
+      relevance: 0,
+      contains: [].concat(
+        'self',
+        GENTLEMANS_SET,
+        {
+          begin: "(" + TYPES.join("|") + ")",
+          className: "built_in",
+          relevance: 0
+        },
+        {
+          className: 'type',
+          begin: /[\.\w\d]+/,
+          relevance: 0
+        }
+      )
+    };
+
+    PS_METHODS.contains.unshift(PS_TYPE);
+
+    return {
+      name: 'PowerShell',
+      aliases: [
+        "pwsh",
+        "ps",
+        "ps1"
+      ],
+      case_insensitive: true,
+      keywords: KEYWORDS,
+      contains: GENTLEMANS_SET.concat(
+        PS_CLASS,
+        PS_FUNCTION,
+        PS_USING,
+        PS_ARGUMENTS,
+        PS_TYPE
+      )
+    };
+  }
+
+  return powershell;
+
+})();
+
+    hljs.registerLanguage('powershell', hljsGrammar);
+  })();

static/highlight/languages/powershell.min.js

@@ -0,0 +1,39 @@
+/*! `powershell` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{const n={$pattern:/-?[A-z\.\-]+\b/,
+keyword:"if else foreach return do while until elseif begin for trap data dynamicparam end break throw param continue finally in switch exit filter try process catch hidden static parameter",
+built_in:"ac asnp cat cd CFS chdir clc clear clhy cli clp cls clv cnsn compare copy cp cpi cpp curl cvpa dbp del diff dir dnsn ebp echo|0 epal epcsv epsn erase etsn exsn fc fhx fl ft fw gal gbp gc gcb gci gcm gcs gdr gerr ghy gi gin gjb gl gm gmo gp gps gpv group gsn gsnp gsv gtz gu gv gwmi h history icm iex ihy ii ipal ipcsv ipmo ipsn irm ise iwmi iwr kill lp ls man md measure mi mount move mp mv nal ndr ni nmo npssc nsn nv ogv oh popd ps pushd pwd r rbp rcjb rcsn rd rdr ren ri rjb rm rmdir rmo rni rnp rp rsn rsnp rujb rv rvpa rwmi sajb sal saps sasv sbp sc scb select set shcm si sl sleep sls sort sp spjb spps spsv start stz sujb sv swmi tee trcm type wget where wjb write"
+},s={begin:"`[\\s\\S]",relevance:0},i={className:"variable",variants:[{
+begin:/\$\B/},{className:"keyword",begin:/\$this/},{begin:/\$[\w\d][\w\d_:]*/}]
+},a={className:"string",variants:[{begin:/"/,end:/"/},{begin:/@"/,end:/^"@/}],
+contains:[s,i,{className:"variable",begin:/\$[A-z]/,end:/[^A-z]/}]},t={
+className:"string",variants:[{begin:/'/,end:/'/},{begin:/@'/,end:/^'@/}]
+},r=e.inherit(e.COMMENT(null,null),{variants:[{begin:/#/,end:/$/},{begin:/<#/,
+end:/#>/}],contains:[{className:"doctag",variants:[{
+begin:/\.(synopsis|description|example|inputs|outputs|notes|link|component|role|functionality)/
+},{
+begin:/\.(parameter|forwardhelptargetname|forwardhelpcategory|remotehelprunspace|externalhelp)\s+\S+/
+}]}]}),c={className:"class",beginKeywords:"class enum",end:/\s*[{]/,
+excludeEnd:!0,relevance:0,contains:[e.TITLE_MODE]},l={className:"function",
+begin:/function\s+/,end:/\s*\{|$/,excludeEnd:!0,returnBegin:!0,relevance:0,
+contains:[{begin:"function",relevance:0,className:"keyword"},{className:"title",
+begin:/\w[\w\d]*((-)[\w\d]+)*/,relevance:0},{begin:/\(/,end:/\)/,
+className:"params",relevance:0,contains:[i]}]},o={begin:/using\s/,end:/$/,
+returnBegin:!0,contains:[a,t,{className:"keyword",
+begin:/(using|assembly|command|module|namespace|type)/}]},p={
+className:"function",begin:/\[.*\]\s*[\w]+[ ]??\(/,end:/$/,returnBegin:!0,
+relevance:0,contains:[{className:"keyword",
+begin:"(".concat(n.keyword.toString().replace(/\s/g,"|"),")\\b"),endsParent:!0,
+relevance:0},e.inherit(e.TITLE_MODE,{endsParent:!0})]
+},g=[p,r,s,e.NUMBER_MODE,a,t,{className:"built_in",variants:[{
+begin:"(Add|Clear|Close|Copy|Enter|Exit|Find|Format|Get|Hide|Join|Lock|Move|New|Open|Optimize|Pop|Push|Redo|Remove|Rename|Reset|Resize|Search|Select|Set|Show|Skip|Split|Step|Switch|Undo|Unlock|Watch|Backup|Checkpoint|Compare|Compress|Convert|ConvertFrom|ConvertTo|Dismount|Edit|Expand|Export|Group|Import|Initialize|Limit|Merge|Mount|Out|Publish|Restore|Save|Sync|Unpublish|Update|Approve|Assert|Build|Complete|Confirm|Deny|Deploy|Disable|Enable|Install|Invoke|Register|Request|Restart|Resume|Start|Stop|Submit|Suspend|Uninstall|Unregister|Wait|Debug|Measure|Ping|Repair|Resolve|Test|Trace|Connect|Disconnect|Read|Receive|Send|Write|Block|Grant|Protect|Revoke|Unblock|Unprotect|Use|ForEach|Sort|Tee|Where)+(-)[\\w\\d]+"
+}]},i,{className:"literal",begin:/\$(null|true|false)\b/},{
+className:"selector-tag",begin:/@\B/,relevance:0}],m={begin:/\[/,end:/\]/,
+excludeBegin:!0,excludeEnd:!0,relevance:0,contains:[].concat("self",g,{
+begin:"(string|char|byte|int|long|bool|decimal|single|double|DateTime|xml|array|hashtable|void)",
+className:"built_in",relevance:0},{className:"type",begin:/[\.\w\d]+/,
+relevance:0})};return p.contains.unshift(m),{name:"PowerShell",
+aliases:["pwsh","ps","ps1"],case_insensitive:!0,keywords:n,
+contains:g.concat(c,l,o,{variants:[{className:"operator",
+begin:"(-and|-as|-band|-bnot|-bor|-bxor|-casesensitive|-ccontains|-ceq|-cge|-cgt|-cle|-clike|-clt|-cmatch|-cne|-cnotcontains|-cnotlike|-cnotmatch|-contains|-creplace|-csplit|-eq|-exact|-f|-file|-ge|-gt|-icontains|-ieq|-ige|-igt|-ile|-ilike|-ilt|-imatch|-in|-ine|-inotcontains|-inotlike|-inotmatch|-ireplace|-is|-isnot|-isplit|-join|-le|-like|-lt|-match|-ne|-not|-notcontains|-notin|-notlike|-notmatch|-or|-regex|-replace|-shl|-shr|-split|-wildcard|-xor)\\b"
+},{className:"literal",begin:/(-){1,2}[\w\d-]+/,relevance:0}]},m)}}})()
+;hljs.registerLanguage("powershell",e)})();

static/highlight/languages/python.js

@@ -0,0 +1,445 @@
+/*! `python` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Python
+  Description: Python is an interpreted, object-oriented, high-level programming language with dynamic semantics.
+  Website: https://www.python.org
+  Category: common
+  */
+
+  function python(hljs) {
+    const regex = hljs.regex;
+    const IDENT_RE = /[\p{XID_Start}_]\p{XID_Continue}*/u;
+    const RESERVED_WORDS = [
+      'and',
+      'as',
+      'assert',
+      'async',
+      'await',
+      'break',
+      'case',
+      'class',
+      'continue',
+      'def',
+      'del',
+      'elif',
+      'else',
+      'except',
+      'finally',
+      'for',
+      'from',
+      'global',
+      'if',
+      'import',
+      'in',
+      'is',
+      'lambda',
+      'match',
+      'nonlocal|10',
+      'not',
+      'or',
+      'pass',
+      'raise',
+      'return',
+      'try',
+      'while',
+      'with',
+      'yield'
+    ];
+
+    const BUILT_INS = [
+      '__import__',
+      'abs',
+      'all',
+      'any',
+      'ascii',
+      'bin',
+      'bool',
+      'breakpoint',
+      'bytearray',
+      'bytes',
+      'callable',
+      'chr',
+      'classmethod',
+      'compile',
+      'complex',
+      'delattr',
+      'dict',
+      'dir',
+      'divmod',
+      'enumerate',
+      'eval',
+      'exec',
+      'filter',
+      'float',
+      'format',
+      'frozenset',
+      'getattr',
+      'globals',
+      'hasattr',
+      'hash',
+      'help',
+      'hex',
+      'id',
+      'input',
+      'int',
+      'isinstance',
+      'issubclass',
+      'iter',
+      'len',
+      'list',
+      'locals',
+      'map',
+      'max',
+      'memoryview',
+      'min',
+      'next',
+      'object',
+      'oct',
+      'open',
+      'ord',
+      'pow',
+      'print',
+      'property',
+      'range',
+      'repr',
+      'reversed',
+      'round',
+      'set',
+      'setattr',
+      'slice',
+      'sorted',
+      'staticmethod',
+      'str',
+      'sum',
+      'super',
+      'tuple',
+      'type',
+      'vars',
+      'zip'
+    ];
+
+    const LITERALS = [
+      '__debug__',
+      'Ellipsis',
+      'False',
+      'None',
+      'NotImplemented',
+      'True'
+    ];
+
+    // https://docs.python.org/3/library/typing.html
+    // TODO: Could these be supplemented by a CamelCase matcher in certain
+    // contexts, leaving these remaining only for relevance hinting?
+    const TYPES = [
+      "Any",
+      "Callable",
+      "Coroutine",
+      "Dict",
+      "List",
+      "Literal",
+      "Generic",
+      "Optional",
+      "Sequence",
+      "Set",
+      "Tuple",
+      "Type",
+      "Union"
+    ];
+
+    const KEYWORDS = {
+      $pattern: /[A-Za-z]\w+|__\w+__/,
+      keyword: RESERVED_WORDS,
+      built_in: BUILT_INS,
+      literal: LITERALS,
+      type: TYPES
+    };
+
+    const PROMPT = {
+      className: 'meta',
+      begin: /^(>>>|\.\.\.) /
+    };
+
+    const SUBST = {
+      className: 'subst',
+      begin: /\{/,
+      end: /\}/,
+      keywords: KEYWORDS,
+      illegal: /#/
+    };
+
+    const LITERAL_BRACKET = {
+      begin: /\{\{/,
+      relevance: 0
+    };
+
+    const STRING = {
+      className: 'string',
+      contains: [ hljs.BACKSLASH_ESCAPE ],
+      variants: [
+        {
+          begin: /([uU]|[bB]|[rR]|[bB][rR]|[rR][bB])?'''/,
+          end: /'''/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            PROMPT
+          ],
+          relevance: 10
+        },
+        {
+          begin: /([uU]|[bB]|[rR]|[bB][rR]|[rR][bB])?"""/,
+          end: /"""/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            PROMPT
+          ],
+          relevance: 10
+        },
+        {
+          begin: /([fF][rR]|[rR][fF]|[fF])'''/,
+          end: /'''/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            PROMPT,
+            LITERAL_BRACKET,
+            SUBST
+          ]
+        },
+        {
+          begin: /([fF][rR]|[rR][fF]|[fF])"""/,
+          end: /"""/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            PROMPT,
+            LITERAL_BRACKET,
+            SUBST
+          ]
+        },
+        {
+          begin: /([uU]|[rR])'/,
+          end: /'/,
+          relevance: 10
+        },
+        {
+          begin: /([uU]|[rR])"/,
+          end: /"/,
+          relevance: 10
+        },
+        {
+          begin: /([bB]|[bB][rR]|[rR][bB])'/,
+          end: /'/
+        },
+        {
+          begin: /([bB]|[bB][rR]|[rR][bB])"/,
+          end: /"/
+        },
+        {
+          begin: /([fF][rR]|[rR][fF]|[fF])'/,
+          end: /'/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            LITERAL_BRACKET,
+            SUBST
+          ]
+        },
+        {
+          begin: /([fF][rR]|[rR][fF]|[fF])"/,
+          end: /"/,
+          contains: [
+            hljs.BACKSLASH_ESCAPE,
+            LITERAL_BRACKET,
+            SUBST
+          ]
+        },
+        hljs.APOS_STRING_MODE,
+        hljs.QUOTE_STRING_MODE
+      ]
+    };
+
+    // https://docs.python.org/3.9/reference/lexical_analysis.html#numeric-literals
+    const digitpart = '[0-9](_?[0-9])*';
+    const pointfloat = `(\\b(${digitpart}))?\\.(${digitpart})|\\b(${digitpart})\\.`;
+    // Whitespace after a number (or any lexical token) is needed only if its absence
+    // would change the tokenization
+    // https://docs.python.org/3.9/reference/lexical_analysis.html#whitespace-between-tokens
+    // We deviate slightly, requiring a word boundary or a keyword
+    // to avoid accidentally recognizing *prefixes* (e.g., `0` in `0x41` or `08` or `0__1`)
+    const lookahead = `\\b|${RESERVED_WORDS.join('|')}`;
+    const NUMBER = {
+      className: 'number',
+      relevance: 0,
+      variants: [
+        // exponentfloat, pointfloat
+        // https://docs.python.org/3.9/reference/lexical_analysis.html#floating-point-literals
+        // optionally imaginary
+        // https://docs.python.org/3.9/reference/lexical_analysis.html#imaginary-literals
+        // Note: no leading \b because floats can start with a decimal point
+        // and we don't want to mishandle e.g. `fn(.5)`,
+        // no trailing \b for pointfloat because it can end with a decimal point
+        // and we don't want to mishandle e.g. `0..hex()`; this should be safe
+        // because both MUST contain a decimal point and so cannot be confused with
+        // the interior part of an identifier
+        {
+          begin: `(\\b(${digitpart})|(${pointfloat}))[eE][+-]?(${digitpart})[jJ]?(?=${lookahead})`
+        },
+        {
+          begin: `(${pointfloat})[jJ]?`
+        },
+
+        // decinteger, bininteger, octinteger, hexinteger
+        // https://docs.python.org/3.9/reference/lexical_analysis.html#integer-literals
+        // optionally "long" in Python 2
+        // https://docs.python.org/2.7/reference/lexical_analysis.html#integer-and-long-integer-literals
+        // decinteger is optionally imaginary
+        // https://docs.python.org/3.9/reference/lexical_analysis.html#imaginary-literals
+        {
+          begin: `\\b([1-9](_?[0-9])*|0+(_?0)*)[lLjJ]?(?=${lookahead})`
+        },
+        {
+          begin: `\\b0[bB](_?[01])+[lL]?(?=${lookahead})`
+        },
+        {
+          begin: `\\b0[oO](_?[0-7])+[lL]?(?=${lookahead})`
+        },
+        {
+          begin: `\\b0[xX](_?[0-9a-fA-F])+[lL]?(?=${lookahead})`
+        },
+
+        // imagnumber (digitpart-based)
+        // https://docs.python.org/3.9/reference/lexical_analysis.html#imaginary-literals
+        {
+          begin: `\\b(${digitpart})[jJ](?=${lookahead})`
+        }
+      ]
+    };
+    const COMMENT_TYPE = {
+      className: "comment",
+      begin: regex.lookahead(/# type:/),
+      end: /$/,
+      keywords: KEYWORDS,
+      contains: [
+        { // prevent keywords from coloring `type`
+          begin: /# type:/
+        },
+        // comment within a datatype comment includes no keywords
+        {
+          begin: /#/,
+          end: /\b\B/,
+          endsWithParent: true
+        }
+      ]
+    };
+    const PARAMS = {
+      className: 'params',
+      variants: [
+        // Exclude params in functions without params
+        {
+          className: "",
+          begin: /\(\s*\)/,
+          skip: true
+        },
+        {
+          begin: /\(/,
+          end: /\)/,
+          excludeBegin: true,
+          excludeEnd: true,
+          keywords: KEYWORDS,
+          contains: [
+            'self',
+            PROMPT,
+            NUMBER,
+            STRING,
+            hljs.HASH_COMMENT_MODE
+          ]
+        }
+      ]
+    };
+    SUBST.contains = [
+      STRING,
+      NUMBER,
+      PROMPT
+    ];
+
+    return {
+      name: 'Python',
+      aliases: [
+        'py',
+        'gyp',
+        'ipython'
+      ],
+      unicodeRegex: true,
+      keywords: KEYWORDS,
+      illegal: /(<\/|\?)|=>/,
+      contains: [
+        PROMPT,
+        NUMBER,
+        {
+          // very common convention
+          begin: /\bself\b/
+        },
+        {
+          // eat "if" prior to string so that it won't accidentally be
+          // labeled as an f-string
+          beginKeywords: "if",
+          relevance: 0
+        },
+        { match: /\bor\b/, scope: "keyword" },
+        STRING,
+        COMMENT_TYPE,
+        hljs.HASH_COMMENT_MODE,
+        {
+          match: [
+            /\bdef/, /\s+/,
+            IDENT_RE,
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.function"
+          },
+          contains: [ PARAMS ]
+        },
+        {
+          variants: [
+            {
+              match: [
+                /\bclass/, /\s+/,
+                IDENT_RE, /\s*/,
+                /\(\s*/, IDENT_RE,/\s*\)/
+              ],
+            },
+            {
+              match: [
+                /\bclass/, /\s+/,
+                IDENT_RE
+              ],
+            }
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.class",
+            6: "title.class.inherited",
+          }
+        },
+        {
+          className: 'meta',
+          begin: /^[\t ]*@/,
+          end: /(?=#)|$/,
+          contains: [
+            NUMBER,
+            PARAMS,
+            STRING
+          ]
+        }
+      ]
+    };
+  }
+
+  return python;
+
+})();
+
+    hljs.registerLanguage('python', hljsGrammar);
+  })();

static/highlight/languages/python.min.js

@@ -0,0 +1,41 @@
+/*! `python` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const n=e.regex,a=/[\p{XID_Start}_]\p{XID_Continue}*/u,s=["and","as","assert","async","await","break","case","class","continue","def","del","elif","else","except","finally","for","from","global","if","import","in","is","lambda","match","nonlocal|10","not","or","pass","raise","return","try","while","with","yield"],i={
+$pattern:/[A-Za-z]\w+|__\w+__/,keyword:s,
+built_in:["__import__","abs","all","any","ascii","bin","bool","breakpoint","bytearray","bytes","callable","chr","classmethod","compile","complex","delattr","dict","dir","divmod","enumerate","eval","exec","filter","float","format","frozenset","getattr","globals","hasattr","hash","help","hex","id","input","int","isinstance","issubclass","iter","len","list","locals","map","max","memoryview","min","next","object","oct","open","ord","pow","print","property","range","repr","reversed","round","set","setattr","slice","sorted","staticmethod","str","sum","super","tuple","type","vars","zip"],
+literal:["__debug__","Ellipsis","False","None","NotImplemented","True"],
+type:["Any","Callable","Coroutine","Dict","List","Literal","Generic","Optional","Sequence","Set","Tuple","Type","Union"]
+},t={className:"meta",begin:/^(>>>|\.\.\.) /},r={className:"subst",begin:/\{/,
+end:/\}/,keywords:i,illegal:/#/},l={begin:/\{\{/,relevance:0},b={
+className:"string",contains:[e.BACKSLASH_ESCAPE],variants:[{
+begin:/([uU]|[bB]|[rR]|[bB][rR]|[rR][bB])?'''/,end:/'''/,
+contains:[e.BACKSLASH_ESCAPE,t],relevance:10},{
+begin:/([uU]|[bB]|[rR]|[bB][rR]|[rR][bB])?"""/,end:/"""/,
+contains:[e.BACKSLASH_ESCAPE,t],relevance:10},{
+begin:/([fF][rR]|[rR][fF]|[fF])'''/,end:/'''/,
+contains:[e.BACKSLASH_ESCAPE,t,l,r]},{begin:/([fF][rR]|[rR][fF]|[fF])"""/,
+end:/"""/,contains:[e.BACKSLASH_ESCAPE,t,l,r]},{begin:/([uU]|[rR])'/,end:/'/,
+relevance:10},{begin:/([uU]|[rR])"/,end:/"/,relevance:10},{
+begin:/([bB]|[bB][rR]|[rR][bB])'/,end:/'/},{begin:/([bB]|[bB][rR]|[rR][bB])"/,
+end:/"/},{begin:/([fF][rR]|[rR][fF]|[fF])'/,end:/'/,
+contains:[e.BACKSLASH_ESCAPE,l,r]},{begin:/([fF][rR]|[rR][fF]|[fF])"/,end:/"/,
+contains:[e.BACKSLASH_ESCAPE,l,r]},e.APOS_STRING_MODE,e.QUOTE_STRING_MODE]
+},o="[0-9](_?[0-9])*",c=`(\\b(${o}))?\\.(${o})|\\b(${o})\\.`,d="\\b|"+s.join("|"),g={
+className:"number",relevance:0,variants:[{
+begin:`(\\b(${o})|(${c}))[eE][+-]?(${o})[jJ]?(?=${d})`},{begin:`(${c})[jJ]?`},{
+begin:`\\b([1-9](_?[0-9])*|0+(_?0)*)[lLjJ]?(?=${d})`},{
+begin:`\\b0[bB](_?[01])+[lL]?(?=${d})`},{begin:`\\b0[oO](_?[0-7])+[lL]?(?=${d})`
+},{begin:`\\b0[xX](_?[0-9a-fA-F])+[lL]?(?=${d})`},{begin:`\\b(${o})[jJ](?=${d})`
+}]},p={className:"comment",begin:n.lookahead(/# type:/),end:/$/,keywords:i,
+contains:[{begin:/# type:/},{begin:/#/,end:/\b\B/,endsWithParent:!0}]},m={
+className:"params",variants:[{className:"",begin:/\(\s*\)/,skip:!0},{begin:/\(/,
+end:/\)/,excludeBegin:!0,excludeEnd:!0,keywords:i,
+contains:["self",t,g,b,e.HASH_COMMENT_MODE]}]};return r.contains=[b,g,t],{
+name:"Python",aliases:["py","gyp","ipython"],unicodeRegex:!0,keywords:i,
+illegal:/(<\/|\?)|=>/,contains:[t,g,{begin:/\bself\b/},{beginKeywords:"if",
+relevance:0},{match:/\bor\b/,scope:"keyword"},b,p,e.HASH_COMMENT_MODE,{
+match:[/\bdef/,/\s+/,a],scope:{1:"keyword",3:"title.function"},contains:[m]},{
+variants:[{match:[/\bclass/,/\s+/,a,/\s*/,/\(\s*/,a,/\s*\)/]},{
+match:[/\bclass/,/\s+/,a]}],scope:{1:"keyword",3:"title.class",
+6:"title.class.inherited"}},{className:"meta",begin:/^[\t ]*@/,end:/(?=#)|$/,
+contains:[g,m,b]}]}}})();hljs.registerLanguage("python",e)})();

static/highlight/languages/r.js

@@ -0,0 +1,267 @@
+/*! `r` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: R
+  Description: R is a free software environment for statistical computing and graphics.
+  Author: Joe Cheng <joe@rstudio.org>
+  Contributors: Konrad Rudolph <konrad.rudolph@gmail.com>
+  Website: https://www.r-project.org
+  Category: common,scientific
+  */
+
+  /** @type LanguageFn */
+  function r(hljs) {
+    const regex = hljs.regex;
+    // Identifiers in R cannot start with `_`, but they can start with `.` if it
+    // is not immediately followed by a digit.
+    // R also supports quoted identifiers, which are near-arbitrary sequences
+    // delimited by backticks (`…`), which may contain escape sequences. These are
+    // handled in a separate mode. See `test/markup/r/names.txt` for examples.
+    // FIXME: Support Unicode identifiers.
+    const IDENT_RE = /(?:(?:[a-zA-Z]|\.[._a-zA-Z])[._a-zA-Z0-9]*)|\.(?!\d)/;
+    const NUMBER_TYPES_RE = regex.either(
+      // Special case: only hexadecimal binary powers can contain fractions
+      /0[xX][0-9a-fA-F]+\.[0-9a-fA-F]*[pP][+-]?\d+i?/,
+      // Hexadecimal numbers without fraction and optional binary power
+      /0[xX][0-9a-fA-F]+(?:[pP][+-]?\d+)?[Li]?/,
+      // Decimal numbers
+      /(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?[Li]?/
+    );
+    const OPERATORS_RE = /[=!<>:]=|\|\||&&|:::?|<-|<<-|->>|->|\|>|[-+*\/?!$&|:<=>@^~]|\*\*/;
+    const PUNCTUATION_RE = regex.either(
+      /[()]/,
+      /[{}]/,
+      /\[\[/,
+      /[[\]]/,
+      /\\/,
+      /,/
+    );
+
+    return {
+      name: 'R',
+
+      keywords: {
+        $pattern: IDENT_RE,
+        keyword:
+          'function if in break next repeat else for while',
+        literal:
+          'NULL NA TRUE FALSE Inf NaN NA_integer_|10 NA_real_|10 '
+          + 'NA_character_|10 NA_complex_|10',
+        built_in:
+          // Builtin constants
+          'LETTERS letters month.abb month.name pi T F '
+          // Primitive functions
+          // These are all the functions in `base` that are implemented as a
+          // `.Primitive`, minus those functions that are also keywords.
+          + 'abs acos acosh all any anyNA Arg as.call as.character '
+          + 'as.complex as.double as.environment as.integer as.logical '
+          + 'as.null.default as.numeric as.raw asin asinh atan atanh attr '
+          + 'attributes baseenv browser c call ceiling class Conj cos cosh '
+          + 'cospi cummax cummin cumprod cumsum digamma dim dimnames '
+          + 'emptyenv exp expression floor forceAndCall gamma gc.time '
+          + 'globalenv Im interactive invisible is.array is.atomic is.call '
+          + 'is.character is.complex is.double is.environment is.expression '
+          + 'is.finite is.function is.infinite is.integer is.language '
+          + 'is.list is.logical is.matrix is.na is.name is.nan is.null '
+          + 'is.numeric is.object is.pairlist is.raw is.recursive is.single '
+          + 'is.symbol lazyLoadDBfetch length lgamma list log max min '
+          + 'missing Mod names nargs nzchar oldClass on.exit pos.to.env '
+          + 'proc.time prod quote range Re rep retracemem return round '
+          + 'seq_along seq_len seq.int sign signif sin sinh sinpi sqrt '
+          + 'standardGeneric substitute sum switch tan tanh tanpi tracemem '
+          + 'trigamma trunc unclass untracemem UseMethod xtfrm',
+      },
+
+      contains: [
+        // Roxygen comments
+        hljs.COMMENT(
+          /#'/,
+          /$/,
+          { contains: [
+            {
+              // Handle `@examples` separately to cause all subsequent code
+              // until the next `@`-tag on its own line to be kept as-is,
+              // preventing highlighting. This code is example R code, so nested
+              // doctags shouldn’t be treated as such. See
+              // `test/markup/r/roxygen.txt` for an example.
+              scope: 'doctag',
+              match: /@examples/,
+              starts: {
+                end: regex.lookahead(regex.either(
+                  // end if another doc comment
+                  /\n^#'\s*(?=@[a-zA-Z]+)/,
+                  // or a line with no comment
+                  /\n^(?!#')/
+                )),
+                endsParent: true
+              }
+            },
+            {
+              // Handle `@param` to highlight the parameter name following
+              // after.
+              scope: 'doctag',
+              begin: '@param',
+              end: /$/,
+              contains: [
+                {
+                  scope: 'variable',
+                  variants: [
+                    { match: IDENT_RE },
+                    { match: /`(?:\\.|[^`\\])+`/ }
+                  ],
+                  endsParent: true
+                }
+              ]
+            },
+            {
+              scope: 'doctag',
+              match: /@[a-zA-Z]+/
+            },
+            {
+              scope: 'keyword',
+              match: /\\[a-zA-Z]+/
+            }
+          ] }
+        ),
+
+        hljs.HASH_COMMENT_MODE,
+
+        {
+          scope: 'string',
+          contains: [ hljs.BACKSLASH_ESCAPE ],
+          variants: [
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]"(-*)\(/,
+              end: /\)(-*)"/
+            }),
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]"(-*)\{/,
+              end: /\}(-*)"/
+            }),
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]"(-*)\[/,
+              end: /\](-*)"/
+            }),
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]'(-*)\(/,
+              end: /\)(-*)'/
+            }),
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]'(-*)\{/,
+              end: /\}(-*)'/
+            }),
+            hljs.END_SAME_AS_BEGIN({
+              begin: /[rR]'(-*)\[/,
+              end: /\](-*)'/
+            }),
+            {
+              begin: '"',
+              end: '"',
+              relevance: 0
+            },
+            {
+              begin: "'",
+              end: "'",
+              relevance: 0
+            }
+          ],
+        },
+
+        // Matching numbers immediately following punctuation and operators is
+        // tricky since we need to look at the character ahead of a number to
+        // ensure the number is not part of an identifier, and we cannot use
+        // negative look-behind assertions. So instead we explicitly handle all
+        // possible combinations of (operator|punctuation), number.
+        // TODO: replace with negative look-behind when available
+        // { begin: /(?<![a-zA-Z0-9._])0[xX][0-9a-fA-F]+\.[0-9a-fA-F]*[pP][+-]?\d+i?/ },
+        // { begin: /(?<![a-zA-Z0-9._])0[xX][0-9a-fA-F]+([pP][+-]?\d+)?[Li]?/ },
+        // { begin: /(?<![a-zA-Z0-9._])(\d+(\.\d*)?|\.\d+)([eE][+-]?\d+)?[Li]?/ }
+        {
+          relevance: 0,
+          variants: [
+            {
+              scope: {
+                1: 'operator',
+                2: 'number'
+              },
+              match: [
+                OPERATORS_RE,
+                NUMBER_TYPES_RE
+              ]
+            },
+            {
+              scope: {
+                1: 'operator',
+                2: 'number'
+              },
+              match: [
+                /%[^%]*%/,
+                NUMBER_TYPES_RE
+              ]
+            },
+            {
+              scope: {
+                1: 'punctuation',
+                2: 'number'
+              },
+              match: [
+                PUNCTUATION_RE,
+                NUMBER_TYPES_RE
+              ]
+            },
+            {
+              scope: { 2: 'number' },
+              match: [
+                /[^a-zA-Z0-9._]|^/, // not part of an identifier, or start of document
+                NUMBER_TYPES_RE
+              ]
+            }
+          ]
+        },
+
+        // Operators/punctuation when they're not directly followed by numbers
+        {
+          // Relevance boost for the most common assignment form.
+          scope: { 3: 'operator' },
+          match: [
+            IDENT_RE,
+            /\s+/,
+            /<-/,
+            /\s+/
+          ]
+        },
+
+        {
+          scope: 'operator',
+          relevance: 0,
+          variants: [
+            { match: OPERATORS_RE },
+            { match: /%[^%]*%/ }
+          ]
+        },
+
+        {
+          scope: 'punctuation',
+          relevance: 0,
+          match: PUNCTUATION_RE
+        },
+
+        {
+          // Escaped identifier
+          begin: '`',
+          end: '`',
+          contains: [ { begin: /\\./ } ]
+        }
+      ]
+    };
+  }
+
+  return r;
+
+})();
+
+    hljs.registerLanguage('r', hljsGrammar);
+  })();

static/highlight/languages/r.min.js

@@ -0,0 +1,26 @@
+/*! `r` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const a=e.regex,n=/(?:(?:[a-zA-Z]|\.[._a-zA-Z])[._a-zA-Z0-9]*)|\.(?!\d)/,i=a.either(/0[xX][0-9a-fA-F]+\.[0-9a-fA-F]*[pP][+-]?\d+i?/,/0[xX][0-9a-fA-F]+(?:[pP][+-]?\d+)?[Li]?/,/(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?[Li]?/),s=/[=!<>:]=|\|\||&&|:::?|<-|<<-|->>|->|\|>|[-+*\/?!$&|:<=>@^~]|\*\*/,t=a.either(/[()]/,/[{}]/,/\[\[/,/[[\]]/,/\\/,/,/)
+;return{name:"R",keywords:{$pattern:n,
+keyword:"function if in break next repeat else for while",
+literal:"NULL NA TRUE FALSE Inf NaN NA_integer_|10 NA_real_|10 NA_character_|10 NA_complex_|10",
+built_in:"LETTERS letters month.abb month.name pi T F abs acos acosh all any anyNA Arg as.call as.character as.complex as.double as.environment as.integer as.logical as.null.default as.numeric as.raw asin asinh atan atanh attr attributes baseenv browser c call ceiling class Conj cos cosh cospi cummax cummin cumprod cumsum digamma dim dimnames emptyenv exp expression floor forceAndCall gamma gc.time globalenv Im interactive invisible is.array is.atomic is.call is.character is.complex is.double is.environment is.expression is.finite is.function is.infinite is.integer is.language is.list is.logical is.matrix is.na is.name is.nan is.null is.numeric is.object is.pairlist is.raw is.recursive is.single is.symbol lazyLoadDBfetch length lgamma list log max min missing Mod names nargs nzchar oldClass on.exit pos.to.env proc.time prod quote range Re rep retracemem return round seq_along seq_len seq.int sign signif sin sinh sinpi sqrt standardGeneric substitute sum switch tan tanh tanpi tracemem trigamma trunc unclass untracemem UseMethod xtfrm"
+},contains:[e.COMMENT(/#'/,/$/,{contains:[{scope:"doctag",match:/@examples/,
+starts:{end:a.lookahead(a.either(/\n^#'\s*(?=@[a-zA-Z]+)/,/\n^(?!#')/)),
+endsParent:!0}},{scope:"doctag",begin:"@param",end:/$/,contains:[{
+scope:"variable",variants:[{match:n},{match:/`(?:\\.|[^`\\])+`/}],endsParent:!0
+}]},{scope:"doctag",match:/@[a-zA-Z]+/},{scope:"keyword",match:/\\[a-zA-Z]+/}]
+}),e.HASH_COMMENT_MODE,{scope:"string",contains:[e.BACKSLASH_ESCAPE],
+variants:[e.END_SAME_AS_BEGIN({begin:/[rR]"(-*)\(/,end:/\)(-*)"/
+}),e.END_SAME_AS_BEGIN({begin:/[rR]"(-*)\{/,end:/\}(-*)"/
+}),e.END_SAME_AS_BEGIN({begin:/[rR]"(-*)\[/,end:/\](-*)"/
+}),e.END_SAME_AS_BEGIN({begin:/[rR]'(-*)\(/,end:/\)(-*)'/
+}),e.END_SAME_AS_BEGIN({begin:/[rR]'(-*)\{/,end:/\}(-*)'/
+}),e.END_SAME_AS_BEGIN({begin:/[rR]'(-*)\[/,end:/\](-*)'/}),{begin:'"',end:'"',
+relevance:0},{begin:"'",end:"'",relevance:0}]},{relevance:0,variants:[{scope:{
+1:"operator",2:"number"},match:[s,i]},{scope:{1:"operator",2:"number"},
+match:[/%[^%]*%/,i]},{scope:{1:"punctuation",2:"number"},match:[t,i]},{scope:{
+2:"number"},match:[/[^a-zA-Z0-9._]|^/,i]}]},{scope:{3:"operator"},
+match:[n,/\s+/,/<-/,/\s+/]},{scope:"operator",relevance:0,variants:[{match:s},{
+match:/%[^%]*%/}]},{scope:"punctuation",relevance:0,match:t},{begin:"`",end:"`",
+contains:[{begin:/\\./}]}]}}})();hljs.registerLanguage("r",e)})();

static/highlight/languages/ruby.js

@@ -0,0 +1,458 @@
+/*! `ruby` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Ruby
+  Description: Ruby is a dynamic, open source programming language with a focus on simplicity and productivity.
+  Website: https://www.ruby-lang.org/
+  Author: Anton Kovalyov <anton@kovalyov.net>
+  Contributors: Peter Leonov <gojpeg@yandex.ru>, Vasily Polovnyov <vast@whiteants.net>, Loren Segal <lsegal@soen.ca>, Pascal Hurni <phi@ruby-reactive.org>, Cedric Sohrauer <sohrauer@googlemail.com>
+  Category: common, scripting
+  */
+
+  function ruby(hljs) {
+    const regex = hljs.regex;
+    const RUBY_METHOD_RE = '([a-zA-Z_]\\w*[!?=]?|[-+~]@|<<|>>|=~|===?|<=>|[<>]=?|\\*\\*|[-/+%^&*~`|]|\\[\\]=?)';
+    // TODO: move concepts like CAMEL_CASE into `modes.js`
+    const CLASS_NAME_RE = regex.either(
+      /\b([A-Z]+[a-z0-9]+)+/,
+      // ends in caps
+      /\b([A-Z]+[a-z0-9]+)+[A-Z]+/,
+    )
+    ;
+    const CLASS_NAME_WITH_NAMESPACE_RE = regex.concat(CLASS_NAME_RE, /(::\w+)*/);
+    // very popular ruby built-ins that one might even assume
+    // are actual keywords (despite that not being the case)
+    const PSEUDO_KWS = [
+      "include",
+      "extend",
+      "prepend",
+      "public",
+      "private",
+      "protected",
+      "raise",
+      "throw"
+    ];
+    const RUBY_KEYWORDS = {
+      "variable.constant": [
+        "__FILE__",
+        "__LINE__",
+        "__ENCODING__"
+      ],
+      "variable.language": [
+        "self",
+        "super",
+      ],
+      keyword: [
+        "alias",
+        "and",
+        "begin",
+        "BEGIN",
+        "break",
+        "case",
+        "class",
+        "defined",
+        "do",
+        "else",
+        "elsif",
+        "end",
+        "END",
+        "ensure",
+        "for",
+        "if",
+        "in",
+        "module",
+        "next",
+        "not",
+        "or",
+        "redo",
+        "require",
+        "rescue",
+        "retry",
+        "return",
+        "then",
+        "undef",
+        "unless",
+        "until",
+        "when",
+        "while",
+        "yield",
+        ...PSEUDO_KWS
+      ],
+      built_in: [
+        "proc",
+        "lambda",
+        "attr_accessor",
+        "attr_reader",
+        "attr_writer",
+        "define_method",
+        "private_constant",
+        "module_function"
+      ],
+      literal: [
+        "true",
+        "false",
+        "nil"
+      ]
+    };
+    const YARDOCTAG = {
+      className: 'doctag',
+      begin: '@[A-Za-z]+'
+    };
+    const IRB_OBJECT = {
+      begin: '#<',
+      end: '>'
+    };
+    const COMMENT_MODES = [
+      hljs.COMMENT(
+        '#',
+        '$',
+        { contains: [ YARDOCTAG ] }
+      ),
+      hljs.COMMENT(
+        '^=begin',
+        '^=end',
+        {
+          contains: [ YARDOCTAG ],
+          relevance: 10
+        }
+      ),
+      hljs.COMMENT('^__END__', hljs.MATCH_NOTHING_RE)
+    ];
+    const SUBST = {
+      className: 'subst',
+      begin: /#\{/,
+      end: /\}/,
+      keywords: RUBY_KEYWORDS
+    };
+    const STRING = {
+      className: 'string',
+      contains: [
+        hljs.BACKSLASH_ESCAPE,
+        SUBST
+      ],
+      variants: [
+        {
+          begin: /'/,
+          end: /'/
+        },
+        {
+          begin: /"/,
+          end: /"/
+        },
+        {
+          begin: /`/,
+          end: /`/
+        },
+        {
+          begin: /%[qQwWx]?\(/,
+          end: /\)/
+        },
+        {
+          begin: /%[qQwWx]?\[/,
+          end: /\]/
+        },
+        {
+          begin: /%[qQwWx]?\{/,
+          end: /\}/
+        },
+        {
+          begin: /%[qQwWx]?</,
+          end: />/
+        },
+        {
+          begin: /%[qQwWx]?\//,
+          end: /\//
+        },
+        {
+          begin: /%[qQwWx]?%/,
+          end: /%/
+        },
+        {
+          begin: /%[qQwWx]?-/,
+          end: /-/
+        },
+        {
+          begin: /%[qQwWx]?\|/,
+          end: /\|/
+        },
+        // in the following expressions, \B in the beginning suppresses recognition of ?-sequences
+        // where ? is the last character of a preceding identifier, as in: `func?4`
+        { begin: /\B\?(\\\d{1,3})/ },
+        { begin: /\B\?(\\x[A-Fa-f0-9]{1,2})/ },
+        { begin: /\B\?(\\u\{?[A-Fa-f0-9]{1,6}\}?)/ },
+        { begin: /\B\?(\\M-\\C-|\\M-\\c|\\c\\M-|\\M-|\\C-\\M-)[\x20-\x7e]/ },
+        { begin: /\B\?\\(c|C-)[\x20-\x7e]/ },
+        { begin: /\B\?\\?\S/ },
+        // heredocs
+        {
+          // this guard makes sure that we have an entire heredoc and not a false
+          // positive (auto-detect, etc.)
+          begin: regex.concat(
+            /<<[-~]?'?/,
+            regex.lookahead(/(\w+)(?=\W)[^\n]*\n(?:[^\n]*\n)*?\s*\1\b/)
+          ),
+          contains: [
+            hljs.END_SAME_AS_BEGIN({
+              begin: /(\w+)/,
+              end: /(\w+)/,
+              contains: [
+                hljs.BACKSLASH_ESCAPE,
+                SUBST
+              ]
+            })
+          ]
+        }
+      ]
+    };
+
+    // Ruby syntax is underdocumented, but this grammar seems to be accurate
+    // as of version 2.7.2 (confirmed with (irb and `Ripper.sexp(...)`)
+    // https://docs.ruby-lang.org/en/2.7.0/doc/syntax/literals_rdoc.html#label-Numbers
+    const decimal = '[1-9](_?[0-9])*|0';
+    const digits = '[0-9](_?[0-9])*';
+    const NUMBER = {
+      className: 'number',
+      relevance: 0,
+      variants: [
+        // decimal integer/float, optionally exponential or rational, optionally imaginary
+        { begin: `\\b(${decimal})(\\.(${digits}))?([eE][+-]?(${digits})|r)?i?\\b` },
+
+        // explicit decimal/binary/octal/hexadecimal integer,
+        // optionally rational and/or imaginary
+        { begin: "\\b0[dD][0-9](_?[0-9])*r?i?\\b" },
+        { begin: "\\b0[bB][0-1](_?[0-1])*r?i?\\b" },
+        { begin: "\\b0[oO][0-7](_?[0-7])*r?i?\\b" },
+        { begin: "\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*r?i?\\b" },
+
+        // 0-prefixed implicit octal integer, optionally rational and/or imaginary
+        { begin: "\\b0(_?[0-7])+r?i?\\b" }
+      ]
+    };
+
+    const PARAMS = {
+      variants: [
+        {
+          match: /\(\)/,
+        },
+        {
+          className: 'params',
+          begin: /\(/,
+          end: /(?=\))/,
+          excludeBegin: true,
+          endsParent: true,
+          keywords: RUBY_KEYWORDS,
+        }
+      ]
+    };
+
+    const INCLUDE_EXTEND = {
+      match: [
+        /(include|extend)\s+/,
+        CLASS_NAME_WITH_NAMESPACE_RE
+      ],
+      scope: {
+        2: "title.class"
+      },
+      keywords: RUBY_KEYWORDS
+    };
+
+    const CLASS_DEFINITION = {
+      variants: [
+        {
+          match: [
+            /class\s+/,
+            CLASS_NAME_WITH_NAMESPACE_RE,
+            /\s+<\s+/,
+            CLASS_NAME_WITH_NAMESPACE_RE
+          ]
+        },
+        {
+          match: [
+            /\b(class|module)\s+/,
+            CLASS_NAME_WITH_NAMESPACE_RE
+          ]
+        }
+      ],
+      scope: {
+        2: "title.class",
+        4: "title.class.inherited"
+      },
+      keywords: RUBY_KEYWORDS
+    };
+
+    const UPPER_CASE_CONSTANT = {
+      relevance: 0,
+      match: /\b[A-Z][A-Z_0-9]+\b/,
+      className: "variable.constant"
+    };
+
+    const METHOD_DEFINITION = {
+      match: [
+        /def/, /\s+/,
+        RUBY_METHOD_RE
+      ],
+      scope: {
+        1: "keyword",
+        3: "title.function"
+      },
+      contains: [
+        PARAMS
+      ]
+    };
+
+    const OBJECT_CREATION = {
+      relevance: 0,
+      match: [
+        CLASS_NAME_WITH_NAMESPACE_RE,
+        /\.new[. (]/
+      ],
+      scope: {
+        1: "title.class"
+      }
+    };
+
+    // CamelCase
+    const CLASS_REFERENCE = {
+      relevance: 0,
+      match: CLASS_NAME_RE,
+      scope: "title.class"
+    };
+
+    const RUBY_DEFAULT_CONTAINS = [
+      STRING,
+      CLASS_DEFINITION,
+      INCLUDE_EXTEND,
+      OBJECT_CREATION,
+      UPPER_CASE_CONSTANT,
+      CLASS_REFERENCE,
+      METHOD_DEFINITION,
+      {
+        // swallow namespace qualifiers before symbols
+        begin: hljs.IDENT_RE + '::' },
+      {
+        className: 'symbol',
+        begin: hljs.UNDERSCORE_IDENT_RE + '(!|\\?)?:',
+        relevance: 0
+      },
+      {
+        className: 'symbol',
+        begin: ':(?!\\s)',
+        contains: [
+          STRING,
+          { begin: RUBY_METHOD_RE }
+        ],
+        relevance: 0
+      },
+      NUMBER,
+      {
+        // negative-look forward attempts to prevent false matches like:
+        // @ident@ or $ident$ that might indicate this is not ruby at all
+        className: "variable",
+        begin: '(\\$\\W)|((\\$|@@?)(\\w+))(?=[^@$?])' + `(?![A-Za-z])(?![@$?'])`
+      },
+      {
+        className: 'params',
+        begin: /\|/,
+        end: /\|/,
+        excludeBegin: true,
+        excludeEnd: true,
+        relevance: 0, // this could be a lot of things (in other languages) other than params
+        keywords: RUBY_KEYWORDS
+      },
+      { // regexp container
+        begin: '(' + hljs.RE_STARTERS_RE + '|unless)\\s*',
+        keywords: 'unless',
+        contains: [
+          {
+            className: 'regexp',
+            contains: [
+              hljs.BACKSLASH_ESCAPE,
+              SUBST
+            ],
+            illegal: /\n/,
+            variants: [
+              {
+                begin: '/',
+                end: '/[a-z]*'
+              },
+              {
+                begin: /%r\{/,
+                end: /\}[a-z]*/
+              },
+              {
+                begin: '%r\\(',
+                end: '\\)[a-z]*'
+              },
+              {
+                begin: '%r!',
+                end: '![a-z]*'
+              },
+              {
+                begin: '%r\\[',
+                end: '\\][a-z]*'
+              }
+            ]
+          }
+        ].concat(IRB_OBJECT, COMMENT_MODES),
+        relevance: 0
+      }
+    ].concat(IRB_OBJECT, COMMENT_MODES);
+
+    SUBST.contains = RUBY_DEFAULT_CONTAINS;
+    PARAMS.contains = RUBY_DEFAULT_CONTAINS;
+
+    // >>
+    // ?>
+    const SIMPLE_PROMPT = "[>?]>";
+    // irb(main):001:0>
+    const DEFAULT_PROMPT = "[\\w#]+\\(\\w+\\):\\d+:\\d+[>*]";
+    const RVM_PROMPT = "(\\w+-)?\\d+\\.\\d+\\.\\d+(p\\d+)?[^\\d][^>]+>";
+
+    const IRB_DEFAULT = [
+      {
+        begin: /^\s*=>/,
+        starts: {
+          end: '$',
+          contains: RUBY_DEFAULT_CONTAINS
+        }
+      },
+      {
+        className: 'meta.prompt',
+        begin: '^(' + SIMPLE_PROMPT + "|" + DEFAULT_PROMPT + '|' + RVM_PROMPT + ')(?=[ ])',
+        starts: {
+          end: '$',
+          keywords: RUBY_KEYWORDS,
+          contains: RUBY_DEFAULT_CONTAINS
+        }
+      }
+    ];
+
+    COMMENT_MODES.unshift(IRB_OBJECT);
+
+    return {
+      name: 'Ruby',
+      aliases: [
+        'rb',
+        'gemspec',
+        'podspec',
+        'thor',
+        'irb'
+      ],
+      keywords: RUBY_KEYWORDS,
+      illegal: /\/\*/,
+      contains: [ hljs.SHEBANG({ binary: "ruby" }) ]
+        .concat(IRB_DEFAULT)
+        .concat(COMMENT_MODES)
+        .concat(RUBY_DEFAULT_CONTAINS)
+    };
+  }
+
+  return ruby;
+
+})();
+
+    hljs.registerLanguage('ruby', hljsGrammar);
+  })();

static/highlight/languages/ruby.min.js

@@ -0,0 +1,54 @@
+/*! `ruby` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const n=e.regex,a="([a-zA-Z_]\\w*[!?=]?|[-+~]@|<<|>>|=~|===?|<=>|[<>]=?|\\*\\*|[-/+%^&*~`|]|\\[\\]=?)",s=n.either(/\b([A-Z]+[a-z0-9]+)+/,/\b([A-Z]+[a-z0-9]+)+[A-Z]+/),i=n.concat(s,/(::\w+)*/),t={
+"variable.constant":["__FILE__","__LINE__","__ENCODING__"],
+"variable.language":["self","super"],
+keyword:["alias","and","begin","BEGIN","break","case","class","defined","do","else","elsif","end","END","ensure","for","if","in","module","next","not","or","redo","require","rescue","retry","return","then","undef","unless","until","when","while","yield","include","extend","prepend","public","private","protected","raise","throw"],
+built_in:["proc","lambda","attr_accessor","attr_reader","attr_writer","define_method","private_constant","module_function"],
+literal:["true","false","nil"]},c={className:"doctag",begin:"@[A-Za-z]+"},r={
+begin:"#<",end:">"},b=[e.COMMENT("#","$",{contains:[c]
+}),e.COMMENT("^=begin","^=end",{contains:[c],relevance:10
+}),e.COMMENT("^__END__",e.MATCH_NOTHING_RE)],l={className:"subst",begin:/#\{/,
+end:/\}/,keywords:t},d={className:"string",contains:[e.BACKSLASH_ESCAPE,l],
+variants:[{begin:/'/,end:/'/},{begin:/"/,end:/"/},{begin:/`/,end:/`/},{
+begin:/%[qQwWx]?\(/,end:/\)/},{begin:/%[qQwWx]?\[/,end:/\]/},{
+begin:/%[qQwWx]?\{/,end:/\}/},{begin:/%[qQwWx]?</,end:/>/},{begin:/%[qQwWx]?\//,
+end:/\//},{begin:/%[qQwWx]?%/,end:/%/},{begin:/%[qQwWx]?-/,end:/-/},{
+begin:/%[qQwWx]?\|/,end:/\|/},{begin:/\B\?(\\\d{1,3})/},{
+begin:/\B\?(\\x[A-Fa-f0-9]{1,2})/},{begin:/\B\?(\\u\{?[A-Fa-f0-9]{1,6}\}?)/},{
+begin:/\B\?(\\M-\\C-|\\M-\\c|\\c\\M-|\\M-|\\C-\\M-)[\x20-\x7e]/},{
+begin:/\B\?\\(c|C-)[\x20-\x7e]/},{begin:/\B\?\\?\S/},{
+begin:n.concat(/<<[-~]?'?/,n.lookahead(/(\w+)(?=\W)[^\n]*\n(?:[^\n]*\n)*?\s*\1\b/)),
+contains:[e.END_SAME_AS_BEGIN({begin:/(\w+)/,end:/(\w+)/,
+contains:[e.BACKSLASH_ESCAPE,l]})]}]},o="[0-9](_?[0-9])*",g={className:"number",
+relevance:0,variants:[{
+begin:`\\b([1-9](_?[0-9])*|0)(\\.(${o}))?([eE][+-]?(${o})|r)?i?\\b`},{
+begin:"\\b0[dD][0-9](_?[0-9])*r?i?\\b"},{begin:"\\b0[bB][0-1](_?[0-1])*r?i?\\b"
+},{begin:"\\b0[oO][0-7](_?[0-7])*r?i?\\b"},{
+begin:"\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*r?i?\\b"},{
+begin:"\\b0(_?[0-7])+r?i?\\b"}]},_={variants:[{match:/\(\)/},{
+className:"params",begin:/\(/,end:/(?=\))/,excludeBegin:!0,endsParent:!0,
+keywords:t}]},u=[d,{variants:[{match:[/class\s+/,i,/\s+<\s+/,i]},{
+match:[/\b(class|module)\s+/,i]}],scope:{2:"title.class",
+4:"title.class.inherited"},keywords:t},{match:[/(include|extend)\s+/,i],scope:{
+2:"title.class"},keywords:t},{relevance:0,match:[i,/\.new[. (]/],scope:{
+1:"title.class"}},{relevance:0,match:/\b[A-Z][A-Z_0-9]+\b/,
+className:"variable.constant"},{relevance:0,match:s,scope:"title.class"},{
+match:[/def/,/\s+/,a],scope:{1:"keyword",3:"title.function"},contains:[_]},{
+begin:e.IDENT_RE+"::"},{className:"symbol",
+begin:e.UNDERSCORE_IDENT_RE+"(!|\\?)?:",relevance:0},{className:"symbol",
+begin:":(?!\\s)",contains:[d,{begin:a}],relevance:0},g,{className:"variable",
+begin:"(\\$\\W)|((\\$|@@?)(\\w+))(?=[^@$?])(?![A-Za-z])(?![@$?'])"},{
+className:"params",begin:/\|/,end:/\|/,excludeBegin:!0,excludeEnd:!0,
+relevance:0,keywords:t},{begin:"("+e.RE_STARTERS_RE+"|unless)\\s*",
+keywords:"unless",contains:[{className:"regexp",contains:[e.BACKSLASH_ESCAPE,l],
+illegal:/\n/,variants:[{begin:"/",end:"/[a-z]*"},{begin:/%r\{/,end:/\}[a-z]*/},{
+begin:"%r\\(",end:"\\)[a-z]*"},{begin:"%r!",end:"![a-z]*"},{begin:"%r\\[",
+end:"\\][a-z]*"}]}].concat(r,b),relevance:0}].concat(r,b)
+;l.contains=u,_.contains=u;const m=[{begin:/^\s*=>/,starts:{end:"$",contains:u}
+},{className:"meta.prompt",
+begin:"^([>?]>|[\\w#]+\\(\\w+\\):\\d+:\\d+[>*]|(\\w+-)?\\d+\\.\\d+\\.\\d+(p\\d+)?[^\\d][^>]+>)(?=[ ])",
+starts:{end:"$",keywords:t,contains:u}}];return b.unshift(r),{name:"Ruby",
+aliases:["rb","gemspec","podspec","thor","irb"],keywords:t,illegal:/\/\*/,
+contains:[e.SHEBANG({binary:"ruby"})].concat(m).concat(b).concat(u)}}})()
+;hljs.registerLanguage("ruby",e)})();

static/highlight/languages/scss.js

@@ -0,0 +1,827 @@
+/*! `scss` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  const MODES = (hljs) => {
+    return {
+      IMPORTANT: {
+        scope: 'meta',
+        begin: '!important'
+      },
+      BLOCK_COMMENT: hljs.C_BLOCK_COMMENT_MODE,
+      HEXCOLOR: {
+        scope: 'number',
+        begin: /#(([0-9a-fA-F]{3,4})|(([0-9a-fA-F]{2}){3,4}))\b/
+      },
+      FUNCTION_DISPATCH: {
+        className: "built_in",
+        begin: /[\w-]+(?=\()/
+      },
+      ATTRIBUTE_SELECTOR_MODE: {
+        scope: 'selector-attr',
+        begin: /\[/,
+        end: /\]/,
+        illegal: '$',
+        contains: [
+          hljs.APOS_STRING_MODE,
+          hljs.QUOTE_STRING_MODE
+        ]
+      },
+      CSS_NUMBER_MODE: {
+        scope: 'number',
+        begin: hljs.NUMBER_RE + '(' +
+          '%|em|ex|ch|rem' +
+          '|vw|vh|vmin|vmax' +
+          '|cm|mm|in|pt|pc|px' +
+          '|deg|grad|rad|turn' +
+          '|s|ms' +
+          '|Hz|kHz' +
+          '|dpi|dpcm|dppx' +
+          ')?',
+        relevance: 0
+      },
+      CSS_VARIABLE: {
+        className: "attr",
+        begin: /--[A-Za-z_][A-Za-z0-9_-]*/
+      }
+    };
+  };
+
+  const HTML_TAGS = [
+    'a',
+    'abbr',
+    'address',
+    'article',
+    'aside',
+    'audio',
+    'b',
+    'blockquote',
+    'body',
+    'button',
+    'canvas',
+    'caption',
+    'cite',
+    'code',
+    'dd',
+    'del',
+    'details',
+    'dfn',
+    'div',
+    'dl',
+    'dt',
+    'em',
+    'fieldset',
+    'figcaption',
+    'figure',
+    'footer',
+    'form',
+    'h1',
+    'h2',
+    'h3',
+    'h4',
+    'h5',
+    'h6',
+    'header',
+    'hgroup',
+    'html',
+    'i',
+    'iframe',
+    'img',
+    'input',
+    'ins',
+    'kbd',
+    'label',
+    'legend',
+    'li',
+    'main',
+    'mark',
+    'menu',
+    'nav',
+    'object',
+    'ol',
+    'p',
+    'q',
+    'quote',
+    'samp',
+    'section',
+    'span',
+    'strong',
+    'summary',
+    'sup',
+    'table',
+    'tbody',
+    'td',
+    'textarea',
+    'tfoot',
+    'th',
+    'thead',
+    'time',
+    'tr',
+    'ul',
+    'var',
+    'video'
+  ];
+
+  const SVG_TAGS = [
+    'defs',
+    'g',
+    'marker',
+    'mask',
+    'pattern',
+    'svg',
+    'switch',
+    'symbol',
+    'feBlend',
+    'feColorMatrix',
+    'feComponentTransfer',
+    'feComposite',
+    'feConvolveMatrix',
+    'feDiffuseLighting',
+    'feDisplacementMap',
+    'feFlood',
+    'feGaussianBlur',
+    'feImage',
+    'feMerge',
+    'feMorphology',
+    'feOffset',
+    'feSpecularLighting',
+    'feTile',
+    'feTurbulence',
+    'linearGradient',
+    'radialGradient',
+    'stop',
+    'circle',
+    'ellipse',
+    'image',
+    'line',
+    'path',
+    'polygon',
+    'polyline',
+    'rect',
+    'text',
+    'use',
+    'textPath',
+    'tspan',
+    'foreignObject',
+    'clipPath'
+  ];
+
+  const TAGS = [
+    ...HTML_TAGS,
+    ...SVG_TAGS,
+  ];
+
+  // Sorting, then reversing makes sure longer attributes/elements like
+  // `font-weight` are matched fully instead of getting false positives on say `font`
+
+  const MEDIA_FEATURES = [
+    'any-hover',
+    'any-pointer',
+    'aspect-ratio',
+    'color',
+    'color-gamut',
+    'color-index',
+    'device-aspect-ratio',
+    'device-height',
+    'device-width',
+    'display-mode',
+    'forced-colors',
+    'grid',
+    'height',
+    'hover',
+    'inverted-colors',
+    'monochrome',
+    'orientation',
+    'overflow-block',
+    'overflow-inline',
+    'pointer',
+    'prefers-color-scheme',
+    'prefers-contrast',
+    'prefers-reduced-motion',
+    'prefers-reduced-transparency',
+    'resolution',
+    'scan',
+    'scripting',
+    'update',
+    'width',
+    // TODO: find a better solution?
+    'min-width',
+    'max-width',
+    'min-height',
+    'max-height'
+  ].sort().reverse();
+
+  // https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes
+  const PSEUDO_CLASSES = [
+    'active',
+    'any-link',
+    'blank',
+    'checked',
+    'current',
+    'default',
+    'defined',
+    'dir', // dir()
+    'disabled',
+    'drop',
+    'empty',
+    'enabled',
+    'first',
+    'first-child',
+    'first-of-type',
+    'fullscreen',
+    'future',
+    'focus',
+    'focus-visible',
+    'focus-within',
+    'has', // has()
+    'host', // host or host()
+    'host-context', // host-context()
+    'hover',
+    'indeterminate',
+    'in-range',
+    'invalid',
+    'is', // is()
+    'lang', // lang()
+    'last-child',
+    'last-of-type',
+    'left',
+    'link',
+    'local-link',
+    'not', // not()
+    'nth-child', // nth-child()
+    'nth-col', // nth-col()
+    'nth-last-child', // nth-last-child()
+    'nth-last-col', // nth-last-col()
+    'nth-last-of-type', //nth-last-of-type()
+    'nth-of-type', //nth-of-type()
+    'only-child',
+    'only-of-type',
+    'optional',
+    'out-of-range',
+    'past',
+    'placeholder-shown',
+    'read-only',
+    'read-write',
+    'required',
+    'right',
+    'root',
+    'scope',
+    'target',
+    'target-within',
+    'user-invalid',
+    'valid',
+    'visited',
+    'where' // where()
+  ].sort().reverse();
+
+  // https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-elements
+  const PSEUDO_ELEMENTS = [
+    'after',
+    'backdrop',
+    'before',
+    'cue',
+    'cue-region',
+    'first-letter',
+    'first-line',
+    'grammar-error',
+    'marker',
+    'part',
+    'placeholder',
+    'selection',
+    'slotted',
+    'spelling-error'
+  ].sort().reverse();
+
+  const ATTRIBUTES = [
+    'align-content',
+    'align-items',
+    'align-self',
+    'alignment-baseline',
+    'all',
+    'animation',
+    'animation-delay',
+    'animation-direction',
+    'animation-duration',
+    'animation-fill-mode',
+    'animation-iteration-count',
+    'animation-name',
+    'animation-play-state',
+    'animation-timing-function',
+    'backface-visibility',
+    'background',
+    'background-attachment',
+    'background-blend-mode',
+    'background-clip',
+    'background-color',
+    'background-image',
+    'background-origin',
+    'background-position',
+    'background-repeat',
+    'background-size',
+    'baseline-shift',
+    'block-size',
+    'border',
+    'border-block',
+    'border-block-color',
+    'border-block-end',
+    'border-block-end-color',
+    'border-block-end-style',
+    'border-block-end-width',
+    'border-block-start',
+    'border-block-start-color',
+    'border-block-start-style',
+    'border-block-start-width',
+    'border-block-style',
+    'border-block-width',
+    'border-bottom',
+    'border-bottom-color',
+    'border-bottom-left-radius',
+    'border-bottom-right-radius',
+    'border-bottom-style',
+    'border-bottom-width',
+    'border-collapse',
+    'border-color',
+    'border-image',
+    'border-image-outset',
+    'border-image-repeat',
+    'border-image-slice',
+    'border-image-source',
+    'border-image-width',
+    'border-inline',
+    'border-inline-color',
+    'border-inline-end',
+    'border-inline-end-color',
+    'border-inline-end-style',
+    'border-inline-end-width',
+    'border-inline-start',
+    'border-inline-start-color',
+    'border-inline-start-style',
+    'border-inline-start-width',
+    'border-inline-style',
+    'border-inline-width',
+    'border-left',
+    'border-left-color',
+    'border-left-style',
+    'border-left-width',
+    'border-radius',
+    'border-right',
+    'border-right-color',
+    'border-right-style',
+    'border-right-width',
+    'border-spacing',
+    'border-style',
+    'border-top',
+    'border-top-color',
+    'border-top-left-radius',
+    'border-top-right-radius',
+    'border-top-style',
+    'border-top-width',
+    'border-width',
+    'bottom',
+    'box-decoration-break',
+    'box-shadow',
+    'box-sizing',
+    'break-after',
+    'break-before',
+    'break-inside',
+    'cx',
+    'cy',
+    'caption-side',
+    'caret-color',
+    'clear',
+    'clip',
+    'clip-path',
+    'clip-rule',
+    'color',
+    'color-interpolation',
+    'color-interpolation-filters',
+    'color-profile',
+    'color-rendering',
+    'column-count',
+    'column-fill',
+    'column-gap',
+    'column-rule',
+    'column-rule-color',
+    'column-rule-style',
+    'column-rule-width',
+    'column-span',
+    'column-width',
+    'columns',
+    'contain',
+    'content',
+    'content-visibility',
+    'counter-increment',
+    'counter-reset',
+    'cue',
+    'cue-after',
+    'cue-before',
+    'cursor',
+    'direction',
+    'display',
+    'dominant-baseline',
+    'empty-cells',
+    'enable-background',
+    'fill',
+    'fill-opacity',
+    'fill-rule',
+    'filter',
+    'flex',
+    'flex-basis',
+    'flex-direction',
+    'flex-flow',
+    'flex-grow',
+    'flex-shrink',
+    'flex-wrap',
+    'float',
+    'flow',
+    'flood-color',
+    'flood-opacity',
+    'font',
+    'font-display',
+    'font-family',
+    'font-feature-settings',
+    'font-kerning',
+    'font-language-override',
+    'font-size',
+    'font-size-adjust',
+    'font-smoothing',
+    'font-stretch',
+    'font-style',
+    'font-synthesis',
+    'font-variant',
+    'font-variant-caps',
+    'font-variant-east-asian',
+    'font-variant-ligatures',
+    'font-variant-numeric',
+    'font-variant-position',
+    'font-variation-settings',
+    'font-weight',
+    'gap',
+    'glyph-orientation-horizontal',
+    'glyph-orientation-vertical',
+    'grid',
+    'grid-area',
+    'grid-auto-columns',
+    'grid-auto-flow',
+    'grid-auto-rows',
+    'grid-column',
+    'grid-column-end',
+    'grid-column-start',
+    'grid-gap',
+    'grid-row',
+    'grid-row-end',
+    'grid-row-start',
+    'grid-template',
+    'grid-template-areas',
+    'grid-template-columns',
+    'grid-template-rows',
+    'hanging-punctuation',
+    'height',
+    'hyphens',
+    'icon',
+    'image-orientation',
+    'image-rendering',
+    'image-resolution',
+    'ime-mode',
+    'inline-size',
+    'isolation',
+    'kerning',
+    'justify-content',
+    'left',
+    'letter-spacing',
+    'lighting-color',
+    'line-break',
+    'line-height',
+    'list-style',
+    'list-style-image',
+    'list-style-position',
+    'list-style-type',
+    'marker',
+    'marker-end',
+    'marker-mid',
+    'marker-start',
+    'mask',
+    'margin',
+    'margin-block',
+    'margin-block-end',
+    'margin-block-start',
+    'margin-bottom',
+    'margin-inline',
+    'margin-inline-end',
+    'margin-inline-start',
+    'margin-left',
+    'margin-right',
+    'margin-top',
+    'marks',
+    'mask',
+    'mask-border',
+    'mask-border-mode',
+    'mask-border-outset',
+    'mask-border-repeat',
+    'mask-border-slice',
+    'mask-border-source',
+    'mask-border-width',
+    'mask-clip',
+    'mask-composite',
+    'mask-image',
+    'mask-mode',
+    'mask-origin',
+    'mask-position',
+    'mask-repeat',
+    'mask-size',
+    'mask-type',
+    'max-block-size',
+    'max-height',
+    'max-inline-size',
+    'max-width',
+    'min-block-size',
+    'min-height',
+    'min-inline-size',
+    'min-width',
+    'mix-blend-mode',
+    'nav-down',
+    'nav-index',
+    'nav-left',
+    'nav-right',
+    'nav-up',
+    'none',
+    'normal',
+    'object-fit',
+    'object-position',
+    'opacity',
+    'order',
+    'orphans',
+    'outline',
+    'outline-color',
+    'outline-offset',
+    'outline-style',
+    'outline-width',
+    'overflow',
+    'overflow-wrap',
+    'overflow-x',
+    'overflow-y',
+    'padding',
+    'padding-block',
+    'padding-block-end',
+    'padding-block-start',
+    'padding-bottom',
+    'padding-inline',
+    'padding-inline-end',
+    'padding-inline-start',
+    'padding-left',
+    'padding-right',
+    'padding-top',
+    'page-break-after',
+    'page-break-before',
+    'page-break-inside',
+    'pause',
+    'pause-after',
+    'pause-before',
+    'perspective',
+    'perspective-origin',
+    'pointer-events',
+    'position',
+    'quotes',
+    'r',
+    'resize',
+    'rest',
+    'rest-after',
+    'rest-before',
+    'right',
+    'row-gap',
+    'scroll-margin',
+    'scroll-margin-block',
+    'scroll-margin-block-end',
+    'scroll-margin-block-start',
+    'scroll-margin-bottom',
+    'scroll-margin-inline',
+    'scroll-margin-inline-end',
+    'scroll-margin-inline-start',
+    'scroll-margin-left',
+    'scroll-margin-right',
+    'scroll-margin-top',
+    'scroll-padding',
+    'scroll-padding-block',
+    'scroll-padding-block-end',
+    'scroll-padding-block-start',
+    'scroll-padding-bottom',
+    'scroll-padding-inline',
+    'scroll-padding-inline-end',
+    'scroll-padding-inline-start',
+    'scroll-padding-left',
+    'scroll-padding-right',
+    'scroll-padding-top',
+    'scroll-snap-align',
+    'scroll-snap-stop',
+    'scroll-snap-type',
+    'scrollbar-color',
+    'scrollbar-gutter',
+    'scrollbar-width',
+    'shape-image-threshold',
+    'shape-margin',
+    'shape-outside',
+    'shape-rendering',
+    'stop-color',
+    'stop-opacity',
+    'stroke',
+    'stroke-dasharray',
+    'stroke-dashoffset',
+    'stroke-linecap',
+    'stroke-linejoin',
+    'stroke-miterlimit',
+    'stroke-opacity',
+    'stroke-width',
+    'speak',
+    'speak-as',
+    'src', // @font-face
+    'tab-size',
+    'table-layout',
+    'text-anchor',
+    'text-align',
+    'text-align-all',
+    'text-align-last',
+    'text-combine-upright',
+    'text-decoration',
+    'text-decoration-color',
+    'text-decoration-line',
+    'text-decoration-style',
+    'text-emphasis',
+    'text-emphasis-color',
+    'text-emphasis-position',
+    'text-emphasis-style',
+    'text-indent',
+    'text-justify',
+    'text-orientation',
+    'text-overflow',
+    'text-rendering',
+    'text-shadow',
+    'text-transform',
+    'text-underline-position',
+    'top',
+    'transform',
+    'transform-box',
+    'transform-origin',
+    'transform-style',
+    'transition',
+    'transition-delay',
+    'transition-duration',
+    'transition-property',
+    'transition-timing-function',
+    'unicode-bidi',
+    'vector-effect',
+    'vertical-align',
+    'visibility',
+    'voice-balance',
+    'voice-duration',
+    'voice-family',
+    'voice-pitch',
+    'voice-range',
+    'voice-rate',
+    'voice-stress',
+    'voice-volume',
+    'white-space',
+    'widows',
+    'width',
+    'will-change',
+    'word-break',
+    'word-spacing',
+    'word-wrap',
+    'writing-mode',
+    'x',
+    'y',
+    'z-index'
+  ].sort().reverse();
+
+  /*
+  Language: SCSS
+  Description: Scss is an extension of the syntax of CSS.
+  Author: Kurt Emch <kurt@kurtemch.com>
+  Website: https://sass-lang.com
+  Category: common, css, web
+  */
+
+
+  /** @type LanguageFn */
+  function scss(hljs) {
+    const modes = MODES(hljs);
+    const PSEUDO_ELEMENTS$1 = PSEUDO_ELEMENTS;
+    const PSEUDO_CLASSES$1 = PSEUDO_CLASSES;
+
+    const AT_IDENTIFIER = '@[a-z-]+'; // @font-face
+    const AT_MODIFIERS = "and or not only";
+    const IDENT_RE = '[a-zA-Z-][a-zA-Z0-9_-]*';
+    const VARIABLE = {
+      className: 'variable',
+      begin: '(\\$' + IDENT_RE + ')\\b',
+      relevance: 0
+    };
+
+    return {
+      name: 'SCSS',
+      case_insensitive: true,
+      illegal: '[=/|\']',
+      contains: [
+        hljs.C_LINE_COMMENT_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        // to recognize keyframe 40% etc which are outside the scope of our
+        // attribute value mode
+        modes.CSS_NUMBER_MODE,
+        {
+          className: 'selector-id',
+          begin: '#[A-Za-z0-9_-]+',
+          relevance: 0
+        },
+        {
+          className: 'selector-class',
+          begin: '\\.[A-Za-z0-9_-]+',
+          relevance: 0
+        },
+        modes.ATTRIBUTE_SELECTOR_MODE,
+        {
+          className: 'selector-tag',
+          begin: '\\b(' + TAGS.join('|') + ')\\b',
+          // was there, before, but why?
+          relevance: 0
+        },
+        {
+          className: 'selector-pseudo',
+          begin: ':(' + PSEUDO_CLASSES$1.join('|') + ')'
+        },
+        {
+          className: 'selector-pseudo',
+          begin: ':(:)?(' + PSEUDO_ELEMENTS$1.join('|') + ')'
+        },
+        VARIABLE,
+        { // pseudo-selector params
+          begin: /\(/,
+          end: /\)/,
+          contains: [ modes.CSS_NUMBER_MODE ]
+        },
+        modes.CSS_VARIABLE,
+        {
+          className: 'attribute',
+          begin: '\\b(' + ATTRIBUTES.join('|') + ')\\b'
+        },
+        { begin: '\\b(whitespace|wait|w-resize|visible|vertical-text|vertical-ideographic|uppercase|upper-roman|upper-alpha|underline|transparent|top|thin|thick|text|text-top|text-bottom|tb-rl|table-header-group|table-footer-group|sw-resize|super|strict|static|square|solid|small-caps|separate|se-resize|scroll|s-resize|rtl|row-resize|ridge|right|repeat|repeat-y|repeat-x|relative|progress|pointer|overline|outside|outset|oblique|nowrap|not-allowed|normal|none|nw-resize|no-repeat|no-drop|newspaper|ne-resize|n-resize|move|middle|medium|ltr|lr-tb|lowercase|lower-roman|lower-alpha|loose|list-item|line|line-through|line-edge|lighter|left|keep-all|justify|italic|inter-word|inter-ideograph|inside|inset|inline|inline-block|inherit|inactive|ideograph-space|ideograph-parenthesis|ideograph-numeric|ideograph-alpha|horizontal|hidden|help|hand|groove|fixed|ellipsis|e-resize|double|dotted|distribute|distribute-space|distribute-letter|distribute-all-lines|disc|disabled|default|decimal|dashed|crosshair|collapse|col-resize|circle|char|center|capitalize|break-word|break-all|bottom|both|bolder|bold|block|bidi-override|below|baseline|auto|always|all-scroll|absolute|table|table-cell)\\b' },
+        {
+          begin: /:/,
+          end: /[;}{]/,
+          relevance: 0,
+          contains: [
+            modes.BLOCK_COMMENT,
+            VARIABLE,
+            modes.HEXCOLOR,
+            modes.CSS_NUMBER_MODE,
+            hljs.QUOTE_STRING_MODE,
+            hljs.APOS_STRING_MODE,
+            modes.IMPORTANT,
+            modes.FUNCTION_DISPATCH
+          ]
+        },
+        // matching these here allows us to treat them more like regular CSS
+        // rules so everything between the {} gets regular rule highlighting,
+        // which is what we want for page and font-face
+        {
+          begin: '@(page|font-face)',
+          keywords: {
+            $pattern: AT_IDENTIFIER,
+            keyword: '@page @font-face'
+          }
+        },
+        {
+          begin: '@',
+          end: '[{;]',
+          returnBegin: true,
+          keywords: {
+            $pattern: /[a-z-]+/,
+            keyword: AT_MODIFIERS,
+            attribute: MEDIA_FEATURES.join(" ")
+          },
+          contains: [
+            {
+              begin: AT_IDENTIFIER,
+              className: "keyword"
+            },
+            {
+              begin: /[a-z-]+(?=:)/,
+              className: "attribute"
+            },
+            VARIABLE,
+            hljs.QUOTE_STRING_MODE,
+            hljs.APOS_STRING_MODE,
+            modes.HEXCOLOR,
+            modes.CSS_NUMBER_MODE
+          ]
+        },
+        modes.FUNCTION_DISPATCH
+      ]
+    };
+  }
+
+  return scss;
+
+})();
+
+    hljs.registerLanguage('scss', hljsGrammar);
+  })();

static/highlight/languages/shell.js

@@ -0,0 +1,43 @@
+/*! `shell` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: Shell Session
+  Requires: bash.js
+  Author: TSUYUSATO Kitsune <make.just.on@gmail.com>
+  Category: common
+  Audit: 2020
+  */
+
+  /** @type LanguageFn */
+  function shell(hljs) {
+    return {
+      name: 'Shell Session',
+      aliases: [
+        'console',
+        'shellsession'
+      ],
+      contains: [
+        {
+          className: 'meta.prompt',
+          // We cannot add \s (spaces) in the regular expression otherwise it will be too broad and produce unexpected result.
+          // For instance, in the following example, it would match "echo /path/to/home >" as a prompt:
+          // echo /path/to/home > t.exe
+          begin: /^\s{0,3}[/~\w\d[\]()@-]*[>%$#][ ]?/,
+          starts: {
+            end: /[^\\](?=\s*$)/,
+            subLanguage: 'bash'
+          }
+        }
+      ]
+    };
+  }
+
+  return shell;
+
+})();
+
+    hljs.registerLanguage('shell', hljsGrammar);
+  })();

static/highlight/languages/shell.min.js

@@ -0,0 +1,5 @@
+/*! `shell` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var s=(()=>{"use strict";return s=>({name:"Shell Session",
+aliases:["console","shellsession"],contains:[{className:"meta.prompt",
+begin:/^\s{0,3}[/~\w\d[\]()@-]*[>%$#][ ]?/,starts:{end:/[^\\](?=\s*$)/,
+subLanguage:"bash"}}]})})();hljs.registerLanguage("shell",s)})();

static/highlight/languages/sql.js

@@ -0,0 +1,692 @@
+/*! `sql` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+   Language: SQL
+   Website: https://en.wikipedia.org/wiki/SQL
+   Category: common, database
+   */
+
+  /*
+
+  Goals:
+
+  SQL is intended to highlight basic/common SQL keywords and expressions
+
+  - If pretty much every single SQL server includes supports, then it's a canidate.
+  - It is NOT intended to include tons of vendor specific keywords (Oracle, MySQL,
+    PostgreSQL) although the list of data types is purposely a bit more expansive.
+  - For more specific SQL grammars please see:
+    - PostgreSQL and PL/pgSQL - core
+    - T-SQL - https://github.com/highlightjs/highlightjs-tsql
+    - sql_more (core)
+
+   */
+
+  function sql(hljs) {
+    const regex = hljs.regex;
+    const COMMENT_MODE = hljs.COMMENT('--', '$');
+    const STRING = {
+      className: 'string',
+      variants: [
+        {
+          begin: /'/,
+          end: /'/,
+          contains: [ { begin: /''/ } ]
+        }
+      ]
+    };
+    const QUOTED_IDENTIFIER = {
+      begin: /"/,
+      end: /"/,
+      contains: [ { begin: /""/ } ]
+    };
+
+    const LITERALS = [
+      "true",
+      "false",
+      // Not sure it's correct to call NULL literal, and clauses like IS [NOT] NULL look strange that way.
+      // "null",
+      "unknown"
+    ];
+
+    const MULTI_WORD_TYPES = [
+      "double precision",
+      "large object",
+      "with timezone",
+      "without timezone"
+    ];
+
+    const TYPES = [
+      'bigint',
+      'binary',
+      'blob',
+      'boolean',
+      'char',
+      'character',
+      'clob',
+      'date',
+      'dec',
+      'decfloat',
+      'decimal',
+      'float',
+      'int',
+      'integer',
+      'interval',
+      'nchar',
+      'nclob',
+      'national',
+      'numeric',
+      'real',
+      'row',
+      'smallint',
+      'time',
+      'timestamp',
+      'varchar',
+      'varying', // modifier (character varying)
+      'varbinary'
+    ];
+
+    const NON_RESERVED_WORDS = [
+      "add",
+      "asc",
+      "collation",
+      "desc",
+      "final",
+      "first",
+      "last",
+      "view"
+    ];
+
+    // https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#reserved-word
+    const RESERVED_WORDS = [
+      "abs",
+      "acos",
+      "all",
+      "allocate",
+      "alter",
+      "and",
+      "any",
+      "are",
+      "array",
+      "array_agg",
+      "array_max_cardinality",
+      "as",
+      "asensitive",
+      "asin",
+      "asymmetric",
+      "at",
+      "atan",
+      "atomic",
+      "authorization",
+      "avg",
+      "begin",
+      "begin_frame",
+      "begin_partition",
+      "between",
+      "bigint",
+      "binary",
+      "blob",
+      "boolean",
+      "both",
+      "by",
+      "call",
+      "called",
+      "cardinality",
+      "cascaded",
+      "case",
+      "cast",
+      "ceil",
+      "ceiling",
+      "char",
+      "char_length",
+      "character",
+      "character_length",
+      "check",
+      "classifier",
+      "clob",
+      "close",
+      "coalesce",
+      "collate",
+      "collect",
+      "column",
+      "commit",
+      "condition",
+      "connect",
+      "constraint",
+      "contains",
+      "convert",
+      "copy",
+      "corr",
+      "corresponding",
+      "cos",
+      "cosh",
+      "count",
+      "covar_pop",
+      "covar_samp",
+      "create",
+      "cross",
+      "cube",
+      "cume_dist",
+      "current",
+      "current_catalog",
+      "current_date",
+      "current_default_transform_group",
+      "current_path",
+      "current_role",
+      "current_row",
+      "current_schema",
+      "current_time",
+      "current_timestamp",
+      "current_path",
+      "current_role",
+      "current_transform_group_for_type",
+      "current_user",
+      "cursor",
+      "cycle",
+      "date",
+      "day",
+      "deallocate",
+      "dec",
+      "decimal",
+      "decfloat",
+      "declare",
+      "default",
+      "define",
+      "delete",
+      "dense_rank",
+      "deref",
+      "describe",
+      "deterministic",
+      "disconnect",
+      "distinct",
+      "double",
+      "drop",
+      "dynamic",
+      "each",
+      "element",
+      "else",
+      "empty",
+      "end",
+      "end_frame",
+      "end_partition",
+      "end-exec",
+      "equals",
+      "escape",
+      "every",
+      "except",
+      "exec",
+      "execute",
+      "exists",
+      "exp",
+      "external",
+      "extract",
+      "false",
+      "fetch",
+      "filter",
+      "first_value",
+      "float",
+      "floor",
+      "for",
+      "foreign",
+      "frame_row",
+      "free",
+      "from",
+      "full",
+      "function",
+      "fusion",
+      "get",
+      "global",
+      "grant",
+      "group",
+      "grouping",
+      "groups",
+      "having",
+      "hold",
+      "hour",
+      "identity",
+      "in",
+      "indicator",
+      "initial",
+      "inner",
+      "inout",
+      "insensitive",
+      "insert",
+      "int",
+      "integer",
+      "intersect",
+      "intersection",
+      "interval",
+      "into",
+      "is",
+      "join",
+      "json_array",
+      "json_arrayagg",
+      "json_exists",
+      "json_object",
+      "json_objectagg",
+      "json_query",
+      "json_table",
+      "json_table_primitive",
+      "json_value",
+      "lag",
+      "language",
+      "large",
+      "last_value",
+      "lateral",
+      "lead",
+      "leading",
+      "left",
+      "like",
+      "like_regex",
+      "listagg",
+      "ln",
+      "local",
+      "localtime",
+      "localtimestamp",
+      "log",
+      "log10",
+      "lower",
+      "match",
+      "match_number",
+      "match_recognize",
+      "matches",
+      "max",
+      "member",
+      "merge",
+      "method",
+      "min",
+      "minute",
+      "mod",
+      "modifies",
+      "module",
+      "month",
+      "multiset",
+      "national",
+      "natural",
+      "nchar",
+      "nclob",
+      "new",
+      "no",
+      "none",
+      "normalize",
+      "not",
+      "nth_value",
+      "ntile",
+      "null",
+      "nullif",
+      "numeric",
+      "octet_length",
+      "occurrences_regex",
+      "of",
+      "offset",
+      "old",
+      "omit",
+      "on",
+      "one",
+      "only",
+      "open",
+      "or",
+      "order",
+      "out",
+      "outer",
+      "over",
+      "overlaps",
+      "overlay",
+      "parameter",
+      "partition",
+      "pattern",
+      "per",
+      "percent",
+      "percent_rank",
+      "percentile_cont",
+      "percentile_disc",
+      "period",
+      "portion",
+      "position",
+      "position_regex",
+      "power",
+      "precedes",
+      "precision",
+      "prepare",
+      "primary",
+      "procedure",
+      "ptf",
+      "range",
+      "rank",
+      "reads",
+      "real",
+      "recursive",
+      "ref",
+      "references",
+      "referencing",
+      "regr_avgx",
+      "regr_avgy",
+      "regr_count",
+      "regr_intercept",
+      "regr_r2",
+      "regr_slope",
+      "regr_sxx",
+      "regr_sxy",
+      "regr_syy",
+      "release",
+      "result",
+      "return",
+      "returns",
+      "revoke",
+      "right",
+      "rollback",
+      "rollup",
+      "row",
+      "row_number",
+      "rows",
+      "running",
+      "savepoint",
+      "scope",
+      "scroll",
+      "search",
+      "second",
+      "seek",
+      "select",
+      "sensitive",
+      "session_user",
+      "set",
+      "show",
+      "similar",
+      "sin",
+      "sinh",
+      "skip",
+      "smallint",
+      "some",
+      "specific",
+      "specifictype",
+      "sql",
+      "sqlexception",
+      "sqlstate",
+      "sqlwarning",
+      "sqrt",
+      "start",
+      "static",
+      "stddev_pop",
+      "stddev_samp",
+      "submultiset",
+      "subset",
+      "substring",
+      "substring_regex",
+      "succeeds",
+      "sum",
+      "symmetric",
+      "system",
+      "system_time",
+      "system_user",
+      "table",
+      "tablesample",
+      "tan",
+      "tanh",
+      "then",
+      "time",
+      "timestamp",
+      "timezone_hour",
+      "timezone_minute",
+      "to",
+      "trailing",
+      "translate",
+      "translate_regex",
+      "translation",
+      "treat",
+      "trigger",
+      "trim",
+      "trim_array",
+      "true",
+      "truncate",
+      "uescape",
+      "union",
+      "unique",
+      "unknown",
+      "unnest",
+      "update",
+      "upper",
+      "user",
+      "using",
+      "value",
+      "values",
+      "value_of",
+      "var_pop",
+      "var_samp",
+      "varbinary",
+      "varchar",
+      "varying",
+      "versioning",
+      "when",
+      "whenever",
+      "where",
+      "width_bucket",
+      "window",
+      "with",
+      "within",
+      "without",
+      "year",
+    ];
+
+    // these are reserved words we have identified to be functions
+    // and should only be highlighted in a dispatch-like context
+    // ie, array_agg(...), etc.
+    const RESERVED_FUNCTIONS = [
+      "abs",
+      "acos",
+      "array_agg",
+      "asin",
+      "atan",
+      "avg",
+      "cast",
+      "ceil",
+      "ceiling",
+      "coalesce",
+      "corr",
+      "cos",
+      "cosh",
+      "count",
+      "covar_pop",
+      "covar_samp",
+      "cume_dist",
+      "dense_rank",
+      "deref",
+      "element",
+      "exp",
+      "extract",
+      "first_value",
+      "floor",
+      "json_array",
+      "json_arrayagg",
+      "json_exists",
+      "json_object",
+      "json_objectagg",
+      "json_query",
+      "json_table",
+      "json_table_primitive",
+      "json_value",
+      "lag",
+      "last_value",
+      "lead",
+      "listagg",
+      "ln",
+      "log",
+      "log10",
+      "lower",
+      "max",
+      "min",
+      "mod",
+      "nth_value",
+      "ntile",
+      "nullif",
+      "percent_rank",
+      "percentile_cont",
+      "percentile_disc",
+      "position",
+      "position_regex",
+      "power",
+      "rank",
+      "regr_avgx",
+      "regr_avgy",
+      "regr_count",
+      "regr_intercept",
+      "regr_r2",
+      "regr_slope",
+      "regr_sxx",
+      "regr_sxy",
+      "regr_syy",
+      "row_number",
+      "sin",
+      "sinh",
+      "sqrt",
+      "stddev_pop",
+      "stddev_samp",
+      "substring",
+      "substring_regex",
+      "sum",
+      "tan",
+      "tanh",
+      "translate",
+      "translate_regex",
+      "treat",
+      "trim",
+      "trim_array",
+      "unnest",
+      "upper",
+      "value_of",
+      "var_pop",
+      "var_samp",
+      "width_bucket",
+    ];
+
+    // these functions can
+    const POSSIBLE_WITHOUT_PARENS = [
+      "current_catalog",
+      "current_date",
+      "current_default_transform_group",
+      "current_path",
+      "current_role",
+      "current_schema",
+      "current_transform_group_for_type",
+      "current_user",
+      "session_user",
+      "system_time",
+      "system_user",
+      "current_time",
+      "localtime",
+      "current_timestamp",
+      "localtimestamp"
+    ];
+
+    // those exist to boost relevance making these very
+    // "SQL like" keyword combos worth +1 extra relevance
+    const COMBOS = [
+      "create table",
+      "insert into",
+      "primary key",
+      "foreign key",
+      "not null",
+      "alter table",
+      "add constraint",
+      "grouping sets",
+      "on overflow",
+      "character set",
+      "respect nulls",
+      "ignore nulls",
+      "nulls first",
+      "nulls last",
+      "depth first",
+      "breadth first"
+    ];
+
+    const FUNCTIONS = RESERVED_FUNCTIONS;
+
+    const KEYWORDS = [
+      ...RESERVED_WORDS,
+      ...NON_RESERVED_WORDS
+    ].filter((keyword) => {
+      return !RESERVED_FUNCTIONS.includes(keyword);
+    });
+
+    const VARIABLE = {
+      className: "variable",
+      begin: /@[a-z0-9][a-z0-9_]*/,
+    };
+
+    const OPERATOR = {
+      className: "operator",
+      begin: /[-+*/=%^~]|&&?|\|\|?|!=?|<(?:=>?|<|>)?|>[>=]?/,
+      relevance: 0,
+    };
+
+    const FUNCTION_CALL = {
+      begin: regex.concat(/\b/, regex.either(...FUNCTIONS), /\s*\(/),
+      relevance: 0,
+      keywords: { built_in: FUNCTIONS }
+    };
+
+    // keywords with less than 3 letters are reduced in relevancy
+    function reduceRelevancy(list, {
+      exceptions, when
+    } = {}) {
+      const qualifyFn = when;
+      exceptions = exceptions || [];
+      return list.map((item) => {
+        if (item.match(/\|\d+$/) || exceptions.includes(item)) {
+          return item;
+        } else if (qualifyFn(item)) {
+          return `${item}|0`;
+        } else {
+          return item;
+        }
+      });
+    }
+
+    return {
+      name: 'SQL',
+      case_insensitive: true,
+      // does not include {} or HTML tags `</`
+      illegal: /[{}]|<\//,
+      keywords: {
+        $pattern: /\b[\w\.]+/,
+        keyword:
+          reduceRelevancy(KEYWORDS, { when: (x) => x.length < 3 }),
+        literal: LITERALS,
+        type: TYPES,
+        built_in: POSSIBLE_WITHOUT_PARENS
+      },
+      contains: [
+        {
+          begin: regex.either(...COMBOS),
+          relevance: 0,
+          keywords: {
+            $pattern: /[\w\.]+/,
+            keyword: KEYWORDS.concat(COMBOS),
+            literal: LITERALS,
+            type: TYPES
+          },
+        },
+        {
+          className: "type",
+          begin: regex.either(...MULTI_WORD_TYPES)
+        },
+        FUNCTION_CALL,
+        VARIABLE,
+        STRING,
+        QUOTED_IDENTIFIER,
+        hljs.C_NUMBER_MODE,
+        hljs.C_BLOCK_COMMENT_MODE,
+        COMMENT_MODE,
+        OPERATOR
+      ]
+    };
+  }
+
+  return sql;
+
+})();
+
+    hljs.registerLanguage('sql', hljsGrammar);
+  })();

static/highlight/languages/typescript.js

@@ -0,0 +1,890 @@
+/*! `typescript` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  const IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';
+  const KEYWORDS = [
+    "as", // for exports
+    "in",
+    "of",
+    "if",
+    "for",
+    "while",
+    "finally",
+    "var",
+    "new",
+    "function",
+    "do",
+    "return",
+    "void",
+    "else",
+    "break",
+    "catch",
+    "instanceof",
+    "with",
+    "throw",
+    "case",
+    "default",
+    "try",
+    "switch",
+    "continue",
+    "typeof",
+    "delete",
+    "let",
+    "yield",
+    "const",
+    "class",
+    // JS handles these with a special rule
+    // "get",
+    // "set",
+    "debugger",
+    "async",
+    "await",
+    "static",
+    "import",
+    "from",
+    "export",
+    "extends"
+  ];
+  const LITERALS = [
+    "true",
+    "false",
+    "null",
+    "undefined",
+    "NaN",
+    "Infinity"
+  ];
+
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
+  const TYPES = [
+    // Fundamental objects
+    "Object",
+    "Function",
+    "Boolean",
+    "Symbol",
+    // numbers and dates
+    "Math",
+    "Date",
+    "Number",
+    "BigInt",
+    // text
+    "String",
+    "RegExp",
+    // Indexed collections
+    "Array",
+    "Float32Array",
+    "Float64Array",
+    "Int8Array",
+    "Uint8Array",
+    "Uint8ClampedArray",
+    "Int16Array",
+    "Int32Array",
+    "Uint16Array",
+    "Uint32Array",
+    "BigInt64Array",
+    "BigUint64Array",
+    // Keyed collections
+    "Set",
+    "Map",
+    "WeakSet",
+    "WeakMap",
+    // Structured data
+    "ArrayBuffer",
+    "SharedArrayBuffer",
+    "Atomics",
+    "DataView",
+    "JSON",
+    // Control abstraction objects
+    "Promise",
+    "Generator",
+    "GeneratorFunction",
+    "AsyncFunction",
+    // Reflection
+    "Reflect",
+    "Proxy",
+    // Internationalization
+    "Intl",
+    // WebAssembly
+    "WebAssembly"
+  ];
+
+  const ERROR_TYPES = [
+    "Error",
+    "EvalError",
+    "InternalError",
+    "RangeError",
+    "ReferenceError",
+    "SyntaxError",
+    "TypeError",
+    "URIError"
+  ];
+
+  const BUILT_IN_GLOBALS = [
+    "setInterval",
+    "setTimeout",
+    "clearInterval",
+    "clearTimeout",
+
+    "require",
+    "exports",
+
+    "eval",
+    "isFinite",
+    "isNaN",
+    "parseFloat",
+    "parseInt",
+    "decodeURI",
+    "decodeURIComponent",
+    "encodeURI",
+    "encodeURIComponent",
+    "escape",
+    "unescape"
+  ];
+
+  const BUILT_IN_VARIABLES = [
+    "arguments",
+    "this",
+    "super",
+    "console",
+    "window",
+    "document",
+    "localStorage",
+    "sessionStorage",
+    "module",
+    "global" // Node.js
+  ];
+
+  const BUILT_INS = [].concat(
+    BUILT_IN_GLOBALS,
+    TYPES,
+    ERROR_TYPES
+  );
+
+  /*
+  Language: JavaScript
+  Description: JavaScript (JS) is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions.
+  Category: common, scripting, web
+  Website: https://developer.mozilla.org/en-US/docs/Web/JavaScript
+  */
+
+
+  /** @type LanguageFn */
+  function javascript(hljs) {
+    const regex = hljs.regex;
+    /**
+     * Takes a string like "<Booger" and checks to see
+     * if we can find a matching "</Booger" later in the
+     * content.
+     * @param {RegExpMatchArray} match
+     * @param {{after:number}} param1
+     */
+    const hasClosingTag = (match, { after }) => {
+      const tag = "</" + match[0].slice(1);
+      const pos = match.input.indexOf(tag, after);
+      return pos !== -1;
+    };
+
+    const IDENT_RE$1 = IDENT_RE;
+    const FRAGMENT = {
+      begin: '<>',
+      end: '</>'
+    };
+    // to avoid some special cases inside isTrulyOpeningTag
+    const XML_SELF_CLOSING = /<[A-Za-z0-9\\._:-]+\s*\/>/;
+    const XML_TAG = {
+      begin: /<[A-Za-z0-9\\._:-]+/,
+      end: /\/[A-Za-z0-9\\._:-]+>|\/>/,
+      /**
+       * @param {RegExpMatchArray} match
+       * @param {CallbackResponse} response
+       */
+      isTrulyOpeningTag: (match, response) => {
+        const afterMatchIndex = match[0].length + match.index;
+        const nextChar = match.input[afterMatchIndex];
+        if (
+          // HTML should not include another raw `<` inside a tag
+          // nested type?
+          // `<Array<Array<number>>`, etc.
+          nextChar === "<" ||
+          // the , gives away that this is not HTML
+          // `<T, A extends keyof T, V>`
+          nextChar === ","
+          ) {
+          response.ignoreMatch();
+          return;
+        }
+
+        // `<something>`
+        // Quite possibly a tag, lets look for a matching closing tag...
+        if (nextChar === ">") {
+          // if we cannot find a matching closing tag, then we
+          // will ignore it
+          if (!hasClosingTag(match, { after: afterMatchIndex })) {
+            response.ignoreMatch();
+          }
+        }
+
+        // `<blah />` (self-closing)
+        // handled by simpleSelfClosing rule
+
+        let m;
+        const afterMatch = match.input.substring(afterMatchIndex);
+
+        // some more template typing stuff
+        //  <T = any>(key?: string) => Modify<
+        if ((m = afterMatch.match(/^\s*=/))) {
+          response.ignoreMatch();
+          return;
+        }
+
+        // `<From extends string>`
+        // technically this could be HTML, but it smells like a type
+        // NOTE: This is ugh, but added specifically for https://github.com/highlightjs/highlight.js/issues/3276
+        if ((m = afterMatch.match(/^\s+extends\s+/))) {
+          if (m.index === 0) {
+            response.ignoreMatch();
+            // eslint-disable-next-line no-useless-return
+            return;
+          }
+        }
+      }
+    };
+    const KEYWORDS$1 = {
+      $pattern: IDENT_RE,
+      keyword: KEYWORDS,
+      literal: LITERALS,
+      built_in: BUILT_INS,
+      "variable.language": BUILT_IN_VARIABLES
+    };
+
+    // https://tc39.es/ecma262/#sec-literals-numeric-literals
+    const decimalDigits = '[0-9](_?[0-9])*';
+    const frac = `\\.(${decimalDigits})`;
+    // DecimalIntegerLiteral, including Annex B NonOctalDecimalIntegerLiteral
+    // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals
+    const decimalInteger = `0|[1-9](_?[0-9])*|0[0-7]*[89][0-9]*`;
+    const NUMBER = {
+      className: 'number',
+      variants: [
+        // DecimalLiteral
+        { begin: `(\\b(${decimalInteger})((${frac})|\\.)?|(${frac}))` +
+          `[eE][+-]?(${decimalDigits})\\b` },
+        { begin: `\\b(${decimalInteger})\\b((${frac})\\b|\\.)?|(${frac})\\b` },
+
+        // DecimalBigIntegerLiteral
+        { begin: `\\b(0|[1-9](_?[0-9])*)n\\b` },
+
+        // NonDecimalIntegerLiteral
+        { begin: "\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*n?\\b" },
+        { begin: "\\b0[bB][0-1](_?[0-1])*n?\\b" },
+        { begin: "\\b0[oO][0-7](_?[0-7])*n?\\b" },
+
+        // LegacyOctalIntegerLiteral (does not include underscore separators)
+        // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals
+        { begin: "\\b0[0-7]+n?\\b" },
+      ],
+      relevance: 0
+    };
+
+    const SUBST = {
+      className: 'subst',
+      begin: '\\$\\{',
+      end: '\\}',
+      keywords: KEYWORDS$1,
+      contains: [] // defined later
+    };
+    const HTML_TEMPLATE = {
+      begin: 'html`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'xml'
+      }
+    };
+    const CSS_TEMPLATE = {
+      begin: 'css`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'css'
+      }
+    };
+    const GRAPHQL_TEMPLATE = {
+      begin: 'gql`',
+      end: '',
+      starts: {
+        end: '`',
+        returnEnd: false,
+        contains: [
+          hljs.BACKSLASH_ESCAPE,
+          SUBST
+        ],
+        subLanguage: 'graphql'
+      }
+    };
+    const TEMPLATE_STRING = {
+      className: 'string',
+      begin: '`',
+      end: '`',
+      contains: [
+        hljs.BACKSLASH_ESCAPE,
+        SUBST
+      ]
+    };
+    const JSDOC_COMMENT = hljs.COMMENT(
+      /\/\*\*(?!\/)/,
+      '\\*/',
+      {
+        relevance: 0,
+        contains: [
+          {
+            begin: '(?=@[A-Za-z]+)',
+            relevance: 0,
+            contains: [
+              {
+                className: 'doctag',
+                begin: '@[A-Za-z]+'
+              },
+              {
+                className: 'type',
+                begin: '\\{',
+                end: '\\}',
+                excludeEnd: true,
+                excludeBegin: true,
+                relevance: 0
+              },
+              {
+                className: 'variable',
+                begin: IDENT_RE$1 + '(?=\\s*(-)|$)',
+                endsParent: true,
+                relevance: 0
+              },
+              // eat spaces (not newlines) so we can find
+              // types or variables
+              {
+                begin: /(?=[^\n])\s/,
+                relevance: 0
+              }
+            ]
+          }
+        ]
+      }
+    );
+    const COMMENT = {
+      className: "comment",
+      variants: [
+        JSDOC_COMMENT,
+        hljs.C_BLOCK_COMMENT_MODE,
+        hljs.C_LINE_COMMENT_MODE
+      ]
+    };
+    const SUBST_INTERNALS = [
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE,
+      HTML_TEMPLATE,
+      CSS_TEMPLATE,
+      GRAPHQL_TEMPLATE,
+      TEMPLATE_STRING,
+      // Skip numbers when they are part of a variable name
+      { match: /\$\d+/ },
+      NUMBER,
+      // This is intentional:
+      // See https://github.com/highlightjs/highlight.js/issues/3288
+      // hljs.REGEXP_MODE
+    ];
+    SUBST.contains = SUBST_INTERNALS
+      .concat({
+        // we need to pair up {} inside our subst to prevent
+        // it from ending too early by matching another }
+        begin: /\{/,
+        end: /\}/,
+        keywords: KEYWORDS$1,
+        contains: [
+          "self"
+        ].concat(SUBST_INTERNALS)
+      });
+    const SUBST_AND_COMMENTS = [].concat(COMMENT, SUBST.contains);
+    const PARAMS_CONTAINS = SUBST_AND_COMMENTS.concat([
+      // eat recursive parens in sub expressions
+      {
+        begin: /\(/,
+        end: /\)/,
+        keywords: KEYWORDS$1,
+        contains: ["self"].concat(SUBST_AND_COMMENTS)
+      }
+    ]);
+    const PARAMS = {
+      className: 'params',
+      begin: /\(/,
+      end: /\)/,
+      excludeBegin: true,
+      excludeEnd: true,
+      keywords: KEYWORDS$1,
+      contains: PARAMS_CONTAINS
+    };
+
+    // ES6 classes
+    const CLASS_OR_EXTENDS = {
+      variants: [
+        // class Car extends vehicle
+        {
+          match: [
+            /class/,
+            /\s+/,
+            IDENT_RE$1,
+            /\s+/,
+            /extends/,
+            /\s+/,
+            regex.concat(IDENT_RE$1, "(", regex.concat(/\./, IDENT_RE$1), ")*")
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.class",
+            5: "keyword",
+            7: "title.class.inherited"
+          }
+        },
+        // class Car
+        {
+          match: [
+            /class/,
+            /\s+/,
+            IDENT_RE$1
+          ],
+          scope: {
+            1: "keyword",
+            3: "title.class"
+          }
+        },
+
+      ]
+    };
+
+    const CLASS_REFERENCE = {
+      relevance: 0,
+      match:
+      regex.either(
+        // Hard coded exceptions
+        /\bJSON/,
+        // Float32Array, OutT
+        /\b[A-Z][a-z]+([A-Z][a-z]*|\d)*/,
+        // CSSFactory, CSSFactoryT
+        /\b[A-Z]{2,}([A-Z][a-z]+|\d)+([A-Z][a-z]*)*/,
+        // FPs, FPsT
+        /\b[A-Z]{2,}[a-z]+([A-Z][a-z]+|\d)*([A-Z][a-z]*)*/,
+        // P
+        // single letters are not highlighted
+        // BLAH
+        // this will be flagged as a UPPER_CASE_CONSTANT instead
+      ),
+      className: "title.class",
+      keywords: {
+        _: [
+          // se we still get relevance credit for JS library classes
+          ...TYPES,
+          ...ERROR_TYPES
+        ]
+      }
+    };
+
+    const USE_STRICT = {
+      label: "use_strict",
+      className: 'meta',
+      relevance: 10,
+      begin: /^\s*['"]use (strict|asm)['"]/
+    };
+
+    const FUNCTION_DEFINITION = {
+      variants: [
+        {
+          match: [
+            /function/,
+            /\s+/,
+            IDENT_RE$1,
+            /(?=\s*\()/
+          ]
+        },
+        // anonymous function
+        {
+          match: [
+            /function/,
+            /\s*(?=\()/
+          ]
+        }
+      ],
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      label: "func.def",
+      contains: [ PARAMS ],
+      illegal: /%/
+    };
+
+    const UPPER_CASE_CONSTANT = {
+      relevance: 0,
+      match: /\b[A-Z][A-Z_0-9]+\b/,
+      className: "variable.constant"
+    };
+
+    function noneOf(list) {
+      return regex.concat("(?!", list.join("|"), ")");
+    }
+
+    const FUNCTION_CALL = {
+      match: regex.concat(
+        /\b/,
+        noneOf([
+          ...BUILT_IN_GLOBALS,
+          "super",
+          "import"
+        ]),
+        IDENT_RE$1, regex.lookahead(/\(/)),
+      className: "title.function",
+      relevance: 0
+    };
+
+    const PROPERTY_ACCESS = {
+      begin: regex.concat(/\./, regex.lookahead(
+        regex.concat(IDENT_RE$1, /(?![0-9A-Za-z$_(])/)
+      )),
+      end: IDENT_RE$1,
+      excludeBegin: true,
+      keywords: "prototype",
+      className: "property",
+      relevance: 0
+    };
+
+    const GETTER_OR_SETTER = {
+      match: [
+        /get|set/,
+        /\s+/,
+        IDENT_RE$1,
+        /(?=\()/
+      ],
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      contains: [
+        { // eat to avoid empty params
+          begin: /\(\)/
+        },
+        PARAMS
+      ]
+    };
+
+    const FUNC_LEAD_IN_RE = '(\\(' +
+      '[^()]*(\\(' +
+      '[^()]*(\\(' +
+      '[^()]*' +
+      '\\)[^()]*)*' +
+      '\\)[^()]*)*' +
+      '\\)|' + hljs.UNDERSCORE_IDENT_RE + ')\\s*=>';
+
+    const FUNCTION_VARIABLE = {
+      match: [
+        /const|var|let/, /\s+/,
+        IDENT_RE$1, /\s*/,
+        /=\s*/,
+        /(async\s*)?/, // async is optional
+        regex.lookahead(FUNC_LEAD_IN_RE)
+      ],
+      keywords: "async",
+      className: {
+        1: "keyword",
+        3: "title.function"
+      },
+      contains: [
+        PARAMS
+      ]
+    };
+
+    return {
+      name: 'JavaScript',
+      aliases: ['js', 'jsx', 'mjs', 'cjs'],
+      keywords: KEYWORDS$1,
+      // this will be extended by TypeScript
+      exports: { PARAMS_CONTAINS, CLASS_REFERENCE },
+      illegal: /#(?![$_A-z])/,
+      contains: [
+        hljs.SHEBANG({
+          label: "shebang",
+          binary: "node",
+          relevance: 5
+        }),
+        USE_STRICT,
+        hljs.APOS_STRING_MODE,
+        hljs.QUOTE_STRING_MODE,
+        HTML_TEMPLATE,
+        CSS_TEMPLATE,
+        GRAPHQL_TEMPLATE,
+        TEMPLATE_STRING,
+        COMMENT,
+        // Skip numbers when they are part of a variable name
+        { match: /\$\d+/ },
+        NUMBER,
+        CLASS_REFERENCE,
+        {
+          className: 'attr',
+          begin: IDENT_RE$1 + regex.lookahead(':'),
+          relevance: 0
+        },
+        FUNCTION_VARIABLE,
+        { // "value" container
+          begin: '(' + hljs.RE_STARTERS_RE + '|\\b(case|return|throw)\\b)\\s*',
+          keywords: 'return throw case',
+          relevance: 0,
+          contains: [
+            COMMENT,
+            hljs.REGEXP_MODE,
+            {
+              className: 'function',
+              // we have to count the parens to make sure we actually have the
+              // correct bounding ( ) before the =>.  There could be any number of
+              // sub-expressions inside also surrounded by parens.
+              begin: FUNC_LEAD_IN_RE,
+              returnBegin: true,
+              end: '\\s*=>',
+              contains: [
+                {
+                  className: 'params',
+                  variants: [
+                    {
+                      begin: hljs.UNDERSCORE_IDENT_RE,
+                      relevance: 0
+                    },
+                    {
+                      className: null,
+                      begin: /\(\s*\)/,
+                      skip: true
+                    },
+                    {
+                      begin: /\(/,
+                      end: /\)/,
+                      excludeBegin: true,
+                      excludeEnd: true,
+                      keywords: KEYWORDS$1,
+                      contains: PARAMS_CONTAINS
+                    }
+                  ]
+                }
+              ]
+            },
+            { // could be a comma delimited list of params to a function call
+              begin: /,/,
+              relevance: 0
+            },
+            {
+              match: /\s+/,
+              relevance: 0
+            },
+            { // JSX
+              variants: [
+                { begin: FRAGMENT.begin, end: FRAGMENT.end },
+                { match: XML_SELF_CLOSING },
+                {
+                  begin: XML_TAG.begin,
+                  // we carefully check the opening tag to see if it truly
+                  // is a tag and not a false positive
+                  'on:begin': XML_TAG.isTrulyOpeningTag,
+                  end: XML_TAG.end
+                }
+              ],
+              subLanguage: 'xml',
+              contains: [
+                {
+                  begin: XML_TAG.begin,
+                  end: XML_TAG.end,
+                  skip: true,
+                  contains: ['self']
+                }
+              ]
+            }
+          ],
+        },
+        FUNCTION_DEFINITION,
+        {
+          // prevent this from getting swallowed up by function
+          // since they appear "function like"
+          beginKeywords: "while if switch catch for"
+        },
+        {
+          // we have to count the parens to make sure we actually have the correct
+          // bounding ( ).  There could be any number of sub-expressions inside
+          // also surrounded by parens.
+          begin: '\\b(?!function)' + hljs.UNDERSCORE_IDENT_RE +
+            '\\(' + // first parens
+            '[^()]*(\\(' +
+              '[^()]*(\\(' +
+                '[^()]*' +
+              '\\)[^()]*)*' +
+            '\\)[^()]*)*' +
+            '\\)\\s*\\{', // end parens
+          returnBegin:true,
+          label: "func.def",
+          contains: [
+            PARAMS,
+            hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1, className: "title.function" })
+          ]
+        },
+        // catch ... so it won't trigger the property rule below
+        {
+          match: /\.\.\./,
+          relevance: 0
+        },
+        PROPERTY_ACCESS,
+        // hack: prevents detection of keywords in some circumstances
+        // .keyword()
+        // $keyword = x
+        {
+          match: '\\$' + IDENT_RE$1,
+          relevance: 0
+        },
+        {
+          match: [ /\bconstructor(?=\s*\()/ ],
+          className: { 1: "title.function" },
+          contains: [ PARAMS ]
+        },
+        FUNCTION_CALL,
+        UPPER_CASE_CONSTANT,
+        CLASS_OR_EXTENDS,
+        GETTER_OR_SETTER,
+        {
+          match: /\$[(.]/ // relevance booster for a pattern common to JS libs: `$(something)` and `$.something`
+        }
+      ]
+    };
+  }
+
+  /*
+  Language: TypeScript
+  Author: Panu Horsmalahti <panu.horsmalahti@iki.fi>
+  Contributors: Ike Ku <dempfi@yahoo.com>
+  Description: TypeScript is a strict superset of JavaScript
+  Website: https://www.typescriptlang.org
+  Category: common, scripting
+  */
+
+
+  /** @type LanguageFn */
+  function typescript(hljs) {
+    const tsLanguage = javascript(hljs);
+
+    const IDENT_RE$1 = IDENT_RE;
+    const TYPES = [
+      "any",
+      "void",
+      "number",
+      "boolean",
+      "string",
+      "object",
+      "never",
+      "symbol",
+      "bigint",
+      "unknown"
+    ];
+    const NAMESPACE = {
+      beginKeywords: 'namespace',
+      end: /\{/,
+      excludeEnd: true,
+      contains: [ tsLanguage.exports.CLASS_REFERENCE ]
+    };
+    const INTERFACE = {
+      beginKeywords: 'interface',
+      end: /\{/,
+      excludeEnd: true,
+      keywords: {
+        keyword: 'interface extends',
+        built_in: TYPES
+      },
+      contains: [ tsLanguage.exports.CLASS_REFERENCE ]
+    };
+    const USE_STRICT = {
+      className: 'meta',
+      relevance: 10,
+      begin: /^\s*['"]use strict['"]/
+    };
+    const TS_SPECIFIC_KEYWORDS = [
+      "type",
+      "namespace",
+      "interface",
+      "public",
+      "private",
+      "protected",
+      "implements",
+      "declare",
+      "abstract",
+      "readonly",
+      "enum",
+      "override"
+    ];
+    const KEYWORDS$1 = {
+      $pattern: IDENT_RE,
+      keyword: KEYWORDS.concat(TS_SPECIFIC_KEYWORDS),
+      literal: LITERALS,
+      built_in: BUILT_INS.concat(TYPES),
+      "variable.language": BUILT_IN_VARIABLES
+    };
+    const DECORATOR = {
+      className: 'meta',
+      begin: '@' + IDENT_RE$1,
+    };
+
+    const swapMode = (mode, label, replacement) => {
+      const indx = mode.contains.findIndex(m => m.label === label);
+      if (indx === -1) { throw new Error("can not find mode to replace"); }
+
+      mode.contains.splice(indx, 1, replacement);
+    };
+
+
+    // this should update anywhere keywords is used since
+    // it will be the same actual JS object
+    Object.assign(tsLanguage.keywords, KEYWORDS$1);
+
+    tsLanguage.exports.PARAMS_CONTAINS.push(DECORATOR);
+    tsLanguage.contains = tsLanguage.contains.concat([
+      DECORATOR,
+      NAMESPACE,
+      INTERFACE,
+    ]);
+
+    // TS gets a simpler shebang rule than JS
+    swapMode(tsLanguage, "shebang", hljs.SHEBANG());
+    // JS use strict rule purposely excludes `asm` which makes no sense
+    swapMode(tsLanguage, "use_strict", USE_STRICT);
+
+    const functionDeclaration = tsLanguage.contains.find(m => m.label === "func.def");
+    functionDeclaration.relevance = 0; // () => {} is more typical in TypeScript
+
+    Object.assign(tsLanguage, {
+      name: 'TypeScript',
+      aliases: [
+        'ts',
+        'tsx',
+        'mts',
+        'cts'
+      ]
+    });
+
+    return tsLanguage;
+  }
+
+  return typescript;
+
+})();
+
+    hljs.registerLanguage('typescript', hljsGrammar);
+  })();

static/highlight/languages/typescript.min.js

@@ -0,0 +1,95 @@
+/*! `typescript` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict"
+;const e="[A-Za-z$_][0-9A-Za-z$_]*",n=["as","in","of","if","for","while","finally","var","new","function","do","return","void","else","break","catch","instanceof","with","throw","case","default","try","switch","continue","typeof","delete","let","yield","const","class","debugger","async","await","static","import","from","export","extends"],a=["true","false","null","undefined","NaN","Infinity"],t=["Object","Function","Boolean","Symbol","Math","Date","Number","BigInt","String","RegExp","Array","Float32Array","Float64Array","Int8Array","Uint8Array","Uint8ClampedArray","Int16Array","Int32Array","Uint16Array","Uint32Array","BigInt64Array","BigUint64Array","Set","Map","WeakSet","WeakMap","ArrayBuffer","SharedArrayBuffer","Atomics","DataView","JSON","Promise","Generator","GeneratorFunction","AsyncFunction","Reflect","Proxy","Intl","WebAssembly"],s=["Error","EvalError","InternalError","RangeError","ReferenceError","SyntaxError","TypeError","URIError"],r=["setInterval","setTimeout","clearInterval","clearTimeout","require","exports","eval","isFinite","isNaN","parseFloat","parseInt","decodeURI","decodeURIComponent","encodeURI","encodeURIComponent","escape","unescape"],c=["arguments","this","super","console","window","document","localStorage","sessionStorage","module","global"],i=[].concat(r,t,s)
+;function o(o){const l=o.regex,d=e,b={begin:/<[A-Za-z0-9\\._:-]+/,
+end:/\/[A-Za-z0-9\\._:-]+>|\/>/,isTrulyOpeningTag:(e,n)=>{
+const a=e[0].length+e.index,t=e.input[a]
+;if("<"===t||","===t)return void n.ignoreMatch();let s
+;">"===t&&(((e,{after:n})=>{const a="</"+e[0].slice(1)
+;return-1!==e.input.indexOf(a,n)})(e,{after:a})||n.ignoreMatch())
+;const r=e.input.substring(a)
+;((s=r.match(/^\s*=/))||(s=r.match(/^\s+extends\s+/))&&0===s.index)&&n.ignoreMatch()
+}},g={$pattern:e,keyword:n,literal:a,built_in:i,"variable.language":c
+},u="[0-9](_?[0-9])*",m=`\\.(${u})`,E="0|[1-9](_?[0-9])*|0[0-7]*[89][0-9]*",y={
+className:"number",variants:[{
+begin:`(\\b(${E})((${m})|\\.)?|(${m}))[eE][+-]?(${u})\\b`},{
+begin:`\\b(${E})\\b((${m})\\b|\\.)?|(${m})\\b`},{
+begin:"\\b(0|[1-9](_?[0-9])*)n\\b"},{
+begin:"\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*n?\\b"},{
+begin:"\\b0[bB][0-1](_?[0-1])*n?\\b"},{begin:"\\b0[oO][0-7](_?[0-7])*n?\\b"},{
+begin:"\\b0[0-7]+n?\\b"}],relevance:0},A={className:"subst",begin:"\\$\\{",
+end:"\\}",keywords:g,contains:[]},p={begin:"html`",end:"",starts:{end:"`",
+returnEnd:!1,contains:[o.BACKSLASH_ESCAPE,A],subLanguage:"xml"}},N={
+begin:"css`",end:"",starts:{end:"`",returnEnd:!1,
+contains:[o.BACKSLASH_ESCAPE,A],subLanguage:"css"}},f={begin:"gql`",end:"",
+starts:{end:"`",returnEnd:!1,contains:[o.BACKSLASH_ESCAPE,A],
+subLanguage:"graphql"}},_={className:"string",begin:"`",end:"`",
+contains:[o.BACKSLASH_ESCAPE,A]},h={className:"comment",
+variants:[o.COMMENT(/\/\*\*(?!\/)/,"\\*/",{relevance:0,contains:[{
+begin:"(?=@[A-Za-z]+)",relevance:0,contains:[{className:"doctag",
+begin:"@[A-Za-z]+"},{className:"type",begin:"\\{",end:"\\}",excludeEnd:!0,
+excludeBegin:!0,relevance:0},{className:"variable",begin:d+"(?=\\s*(-)|$)",
+endsParent:!0,relevance:0},{begin:/(?=[^\n])\s/,relevance:0}]}]
+}),o.C_BLOCK_COMMENT_MODE,o.C_LINE_COMMENT_MODE]
+},S=[o.APOS_STRING_MODE,o.QUOTE_STRING_MODE,p,N,f,_,{match:/\$\d+/},y]
+;A.contains=S.concat({begin:/\{/,end:/\}/,keywords:g,contains:["self"].concat(S)
+});const v=[].concat(h,A.contains),w=v.concat([{begin:/\(/,end:/\)/,keywords:g,
+contains:["self"].concat(v)}]),R={className:"params",begin:/\(/,end:/\)/,
+excludeBegin:!0,excludeEnd:!0,keywords:g,contains:w},x={variants:[{
+match:[/class/,/\s+/,d,/\s+/,/extends/,/\s+/,l.concat(d,"(",l.concat(/\./,d),")*")],
+scope:{1:"keyword",3:"title.class",5:"keyword",7:"title.class.inherited"}},{
+match:[/class/,/\s+/,d],scope:{1:"keyword",3:"title.class"}}]},k={relevance:0,
+match:l.either(/\bJSON/,/\b[A-Z][a-z]+([A-Z][a-z]*|\d)*/,/\b[A-Z]{2,}([A-Z][a-z]+|\d)+([A-Z][a-z]*)*/,/\b[A-Z]{2,}[a-z]+([A-Z][a-z]+|\d)*([A-Z][a-z]*)*/),
+className:"title.class",keywords:{_:[...t,...s]}},O={variants:[{
+match:[/function/,/\s+/,d,/(?=\s*\()/]},{match:[/function/,/\s*(?=\()/]}],
+className:{1:"keyword",3:"title.function"},label:"func.def",contains:[R],
+illegal:/%/},C={
+match:l.concat(/\b/,(I=[...r,"super","import"],l.concat("(?!",I.join("|"),")")),d,l.lookahead(/\(/)),
+className:"title.function",relevance:0};var I;const T={
+begin:l.concat(/\./,l.lookahead(l.concat(d,/(?![0-9A-Za-z$_(])/))),end:d,
+excludeBegin:!0,keywords:"prototype",className:"property",relevance:0},M={
+match:[/get|set/,/\s+/,d,/(?=\()/],className:{1:"keyword",3:"title.function"},
+contains:[{begin:/\(\)/},R]
+},B="(\\([^()]*(\\([^()]*(\\([^()]*\\)[^()]*)*\\)[^()]*)*\\)|"+o.UNDERSCORE_IDENT_RE+")\\s*=>",$={
+match:[/const|var|let/,/\s+/,d,/\s*/,/=\s*/,/(async\s*)?/,l.lookahead(B)],
+keywords:"async",className:{1:"keyword",3:"title.function"},contains:[R]}
+;return{name:"JavaScript",aliases:["js","jsx","mjs","cjs"],keywords:g,exports:{
+PARAMS_CONTAINS:w,CLASS_REFERENCE:k},illegal:/#(?![$_A-z])/,
+contains:[o.SHEBANG({label:"shebang",binary:"node",relevance:5}),{
+label:"use_strict",className:"meta",relevance:10,
+begin:/^\s*['"]use (strict|asm)['"]/
+},o.APOS_STRING_MODE,o.QUOTE_STRING_MODE,p,N,f,_,h,{match:/\$\d+/},y,k,{
+className:"attr",begin:d+l.lookahead(":"),relevance:0},$,{
+begin:"("+o.RE_STARTERS_RE+"|\\b(case|return|throw)\\b)\\s*",
+keywords:"return throw case",relevance:0,contains:[h,o.REGEXP_MODE,{
+className:"function",begin:B,returnBegin:!0,end:"\\s*=>",contains:[{
+className:"params",variants:[{begin:o.UNDERSCORE_IDENT_RE,relevance:0},{
+className:null,begin:/\(\s*\)/,skip:!0},{begin:/\(/,end:/\)/,excludeBegin:!0,
+excludeEnd:!0,keywords:g,contains:w}]}]},{begin:/,/,relevance:0},{match:/\s+/,
+relevance:0},{variants:[{begin:"<>",end:"</>"},{
+match:/<[A-Za-z0-9\\._:-]+\s*\/>/},{begin:b.begin,
+"on:begin":b.isTrulyOpeningTag,end:b.end}],subLanguage:"xml",contains:[{
+begin:b.begin,end:b.end,skip:!0,contains:["self"]}]}]},O,{
+beginKeywords:"while if switch catch for"},{
+begin:"\\b(?!function)"+o.UNDERSCORE_IDENT_RE+"\\([^()]*(\\([^()]*(\\([^()]*\\)[^()]*)*\\)[^()]*)*\\)\\s*\\{",
+returnBegin:!0,label:"func.def",contains:[R,o.inherit(o.TITLE_MODE,{begin:d,
+className:"title.function"})]},{match:/\.\.\./,relevance:0},T,{match:"\\$"+d,
+relevance:0},{match:[/\bconstructor(?=\s*\()/],className:{1:"title.function"},
+contains:[R]},C,{relevance:0,match:/\b[A-Z][A-Z_0-9]+\b/,
+className:"variable.constant"},x,M,{match:/\$[(.]/}]}}return t=>{
+const s=o(t),r=e,l=["any","void","number","boolean","string","object","never","symbol","bigint","unknown"],d={
+beginKeywords:"namespace",end:/\{/,excludeEnd:!0,
+contains:[s.exports.CLASS_REFERENCE]},b={beginKeywords:"interface",end:/\{/,
+excludeEnd:!0,keywords:{keyword:"interface extends",built_in:l},
+contains:[s.exports.CLASS_REFERENCE]},g={$pattern:e,
+keyword:n.concat(["type","namespace","interface","public","private","protected","implements","declare","abstract","readonly","enum","override"]),
+literal:a,built_in:i.concat(l),"variable.language":c},u={className:"meta",
+begin:"@"+r},m=(e,n,a)=>{const t=e.contains.findIndex((e=>e.label===n))
+;if(-1===t)throw Error("can not find mode to replace");e.contains.splice(t,1,a)}
+;return Object.assign(s.keywords,g),
+s.exports.PARAMS_CONTAINS.push(u),s.contains=s.contains.concat([u,d,b]),
+m(s,"shebang",t.SHEBANG()),m(s,"use_strict",{className:"meta",relevance:10,
+begin:/^\s*['"]use strict['"]/
+}),s.contains.find((e=>"func.def"===e.label)).relevance=0,Object.assign(s,{
+name:"TypeScript",aliases:["ts","tsx","mts","cts"]}),s}})()
+;hljs.registerLanguage("typescript",e)})();

static/highlight/languages/xml.js

@@ -0,0 +1,251 @@
+/*! `xml` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: HTML, XML
+  Website: https://www.w3.org/XML/
+  Category: common, web
+  Audit: 2020
+  */
+
+  /** @type LanguageFn */
+  function xml(hljs) {
+    const regex = hljs.regex;
+    // XML names can have the following additional letters: https://www.w3.org/TR/xml/#NT-NameChar
+    // OTHER_NAME_CHARS = /[:\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]/;
+    // Element names start with NAME_START_CHAR followed by optional other Unicode letters, ASCII digits, hyphens, underscores, and periods
+    // const TAG_NAME_RE = regex.concat(/[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/, regex.optional(/[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]*:/), /[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]*/);;
+    // const XML_IDENT_RE = /[A-Z_a-z:\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]+/;
+    // const TAG_NAME_RE = regex.concat(/[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/, regex.optional(/[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]*:/), /[A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\-.0-9\u00B7\u0300-\u036F\u203F-\u2040]*/);
+    // however, to cater for performance and more Unicode support rely simply on the Unicode letter class
+    const TAG_NAME_RE = regex.concat(/[\p{L}_]/u, regex.optional(/[\p{L}0-9_.-]*:/u), /[\p{L}0-9_.-]*/u);
+    const XML_IDENT_RE = /[\p{L}0-9._:-]+/u;
+    const XML_ENTITIES = {
+      className: 'symbol',
+      begin: /&[a-z]+;|&#[0-9]+;|&#x[a-f0-9]+;/
+    };
+    const XML_META_KEYWORDS = {
+      begin: /\s/,
+      contains: [
+        {
+          className: 'keyword',
+          begin: /#?[a-z_][a-z1-9_-]+/,
+          illegal: /\n/
+        }
+      ]
+    };
+    const XML_META_PAR_KEYWORDS = hljs.inherit(XML_META_KEYWORDS, {
+      begin: /\(/,
+      end: /\)/
+    });
+    const APOS_META_STRING_MODE = hljs.inherit(hljs.APOS_STRING_MODE, { className: 'string' });
+    const QUOTE_META_STRING_MODE = hljs.inherit(hljs.QUOTE_STRING_MODE, { className: 'string' });
+    const TAG_INTERNALS = {
+      endsWithParent: true,
+      illegal: /</,
+      relevance: 0,
+      contains: [
+        {
+          className: 'attr',
+          begin: XML_IDENT_RE,
+          relevance: 0
+        },
+        {
+          begin: /=\s*/,
+          relevance: 0,
+          contains: [
+            {
+              className: 'string',
+              endsParent: true,
+              variants: [
+                {
+                  begin: /"/,
+                  end: /"/,
+                  contains: [ XML_ENTITIES ]
+                },
+                {
+                  begin: /'/,
+                  end: /'/,
+                  contains: [ XML_ENTITIES ]
+                },
+                { begin: /[^\s"'=<>`]+/ }
+              ]
+            }
+          ]
+        }
+      ]
+    };
+    return {
+      name: 'HTML, XML',
+      aliases: [
+        'html',
+        'xhtml',
+        'rss',
+        'atom',
+        'xjb',
+        'xsd',
+        'xsl',
+        'plist',
+        'wsf',
+        'svg'
+      ],
+      case_insensitive: true,
+      unicodeRegex: true,
+      contains: [
+        {
+          className: 'meta',
+          begin: /<![a-z]/,
+          end: />/,
+          relevance: 10,
+          contains: [
+            XML_META_KEYWORDS,
+            QUOTE_META_STRING_MODE,
+            APOS_META_STRING_MODE,
+            XML_META_PAR_KEYWORDS,
+            {
+              begin: /\[/,
+              end: /\]/,
+              contains: [
+                {
+                  className: 'meta',
+                  begin: /<![a-z]/,
+                  end: />/,
+                  contains: [
+                    XML_META_KEYWORDS,
+                    XML_META_PAR_KEYWORDS,
+                    QUOTE_META_STRING_MODE,
+                    APOS_META_STRING_MODE
+                  ]
+                }
+              ]
+            }
+          ]
+        },
+        hljs.COMMENT(
+          /<!--/,
+          /-->/,
+          { relevance: 10 }
+        ),
+        {
+          begin: /<!\[CDATA\[/,
+          end: /\]\]>/,
+          relevance: 10
+        },
+        XML_ENTITIES,
+        // xml processing instructions
+        {
+          className: 'meta',
+          end: /\?>/,
+          variants: [
+            {
+              begin: /<\?xml/,
+              relevance: 10,
+              contains: [
+                QUOTE_META_STRING_MODE
+              ]
+            },
+            {
+              begin: /<\?[a-z][a-z0-9]+/,
+            }
+          ]
+
+        },
+        {
+          className: 'tag',
+          /*
+          The lookahead pattern (?=...) ensures that 'begin' only matches
+          '<style' as a single word, followed by a whitespace or an
+          ending bracket.
+          */
+          begin: /<style(?=\s|>)/,
+          end: />/,
+          keywords: { name: 'style' },
+          contains: [ TAG_INTERNALS ],
+          starts: {
+            end: /<\/style>/,
+            returnEnd: true,
+            subLanguage: [
+              'css',
+              'xml'
+            ]
+          }
+        },
+        {
+          className: 'tag',
+          // See the comment in the <style tag about the lookahead pattern
+          begin: /<script(?=\s|>)/,
+          end: />/,
+          keywords: { name: 'script' },
+          contains: [ TAG_INTERNALS ],
+          starts: {
+            end: /<\/script>/,
+            returnEnd: true,
+            subLanguage: [
+              'javascript',
+              'handlebars',
+              'xml'
+            ]
+          }
+        },
+        // we need this for now for jSX
+        {
+          className: 'tag',
+          begin: /<>|<\/>/
+        },
+        // open tag
+        {
+          className: 'tag',
+          begin: regex.concat(
+            /</,
+            regex.lookahead(regex.concat(
+              TAG_NAME_RE,
+              // <tag/>
+              // <tag>
+              // <tag ...
+              regex.either(/\/>/, />/, /\s/)
+            ))
+          ),
+          end: /\/?>/,
+          contains: [
+            {
+              className: 'name',
+              begin: TAG_NAME_RE,
+              relevance: 0,
+              starts: TAG_INTERNALS
+            }
+          ]
+        },
+        // close tag
+        {
+          className: 'tag',
+          begin: regex.concat(
+            /<\//,
+            regex.lookahead(regex.concat(
+              TAG_NAME_RE, />/
+            ))
+          ),
+          contains: [
+            {
+              className: 'name',
+              begin: TAG_NAME_RE,
+              relevance: 0
+            },
+            {
+              begin: />/,
+              relevance: 0,
+              endsParent: true
+            }
+          ]
+        }
+      ]
+    };
+  }
+
+  return xml;
+
+})();
+
+    hljs.registerLanguage('xml', hljsGrammar);
+  })();

static/highlight/languages/xml.min.js

@@ -0,0 +1,29 @@
+/*! `xml` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const a=e.regex,n=a.concat(/[\p{L}_]/u,a.optional(/[\p{L}0-9_.-]*:/u),/[\p{L}0-9_.-]*/u),s={
+className:"symbol",begin:/&[a-z]+;|&#[0-9]+;|&#x[a-f0-9]+;/},t={begin:/\s/,
+contains:[{className:"keyword",begin:/#?[a-z_][a-z1-9_-]+/,illegal:/\n/}]
+},i=e.inherit(t,{begin:/\(/,end:/\)/}),c=e.inherit(e.APOS_STRING_MODE,{
+className:"string"}),l=e.inherit(e.QUOTE_STRING_MODE,{className:"string"}),r={
+endsWithParent:!0,illegal:/</,relevance:0,contains:[{className:"attr",
+begin:/[\p{L}0-9._:-]+/u,relevance:0},{begin:/=\s*/,relevance:0,contains:[{
+className:"string",endsParent:!0,variants:[{begin:/"/,end:/"/,contains:[s]},{
+begin:/'/,end:/'/,contains:[s]},{begin:/[^\s"'=<>`]+/}]}]}]};return{
+name:"HTML, XML",
+aliases:["html","xhtml","rss","atom","xjb","xsd","xsl","plist","wsf","svg"],
+case_insensitive:!0,unicodeRegex:!0,contains:[{className:"meta",begin:/<![a-z]/,
+end:/>/,relevance:10,contains:[t,l,c,i,{begin:/\[/,end:/\]/,contains:[{
+className:"meta",begin:/<![a-z]/,end:/>/,contains:[t,i,l,c]}]}]
+},e.COMMENT(/<!--/,/-->/,{relevance:10}),{begin:/<!\[CDATA\[/,end:/\]\]>/,
+relevance:10},s,{className:"meta",end:/\?>/,variants:[{begin:/<\?xml/,
+relevance:10,contains:[l]},{begin:/<\?[a-z][a-z0-9]+/}]},{className:"tag",
+begin:/<style(?=\s|>)/,end:/>/,keywords:{name:"style"},contains:[r],starts:{
+end:/<\/style>/,returnEnd:!0,subLanguage:["css","xml"]}},{className:"tag",
+begin:/<script(?=\s|>)/,end:/>/,keywords:{name:"script"},contains:[r],starts:{
+end:/<\/script>/,returnEnd:!0,subLanguage:["javascript","handlebars","xml"]}},{
+className:"tag",begin:/<>|<\/>/},{className:"tag",
+begin:a.concat(/</,a.lookahead(a.concat(n,a.either(/\/>/,/>/,/\s/)))),
+end:/\/?>/,contains:[{className:"name",begin:n,relevance:0,starts:r}]},{
+className:"tag",begin:a.concat(/<\//,a.lookahead(a.concat(n,/>/))),contains:[{
+className:"name",begin:n,relevance:0},{begin:/>/,relevance:0,endsParent:!0}]}]}}
+})();hljs.registerLanguage("xml",e)})();

static/highlight/languages/yaml.js

@@ -0,0 +1,205 @@
+/*! `yaml` grammar compiled for Highlight.js 11.9.0 */
+  (function(){
+    var hljsGrammar = (function () {
+  'use strict';
+
+  /*
+  Language: YAML
+  Description: Yet Another Markdown Language
+  Author: Stefan Wienert <stwienert@gmail.com>
+  Contributors: Carl Baxter <carl@cbax.tech>
+  Requires: ruby.js
+  Website: https://yaml.org
+  Category: common, config
+  */
+  function yaml(hljs) {
+    const LITERALS = 'true false yes no null';
+
+    // YAML spec allows non-reserved URI characters in tags.
+    const URI_CHARACTERS = '[\\w#;/?:@&=+$,.~*\'()[\\]]+';
+
+    // Define keys as starting with a word character
+    // ...containing word chars, spaces, colons, forward-slashes, hyphens and periods
+    // ...and ending with a colon followed immediately by a space, tab or newline.
+    // The YAML spec allows for much more than this, but this covers most use-cases.
+    const KEY = {
+      className: 'attr',
+      variants: [
+        // added brackets support 
+        { begin: /\w[\w :()\./-]*:(?=[ \t]|$)/ },
+        { // double quoted keys - with brackets
+          begin: /"\w[\w :()\./-]*":(?=[ \t]|$)/ },
+        { // single quoted keys - with brackets
+          begin: /'\w[\w :()\./-]*':(?=[ \t]|$)/ },
+      ]
+    };
+
+    const TEMPLATE_VARIABLES = {
+      className: 'template-variable',
+      variants: [
+        { // jinja templates Ansible
+          begin: /\{\{/,
+          end: /\}\}/
+        },
+        { // Ruby i18n
+          begin: /%\{/,
+          end: /\}/
+        }
+      ]
+    };
+    const STRING = {
+      className: 'string',
+      relevance: 0,
+      variants: [
+        {
+          begin: /'/,
+          end: /'/
+        },
+        {
+          begin: /"/,
+          end: /"/
+        },
+        { begin: /\S+/ }
+      ],
+      contains: [
+        hljs.BACKSLASH_ESCAPE,
+        TEMPLATE_VARIABLES
+      ]
+    };
+
+    // Strings inside of value containers (objects) can't contain braces,
+    // brackets, or commas
+    const CONTAINER_STRING = hljs.inherit(STRING, { variants: [
+      {
+        begin: /'/,
+        end: /'/
+      },
+      {
+        begin: /"/,
+        end: /"/
+      },
+      { begin: /[^\s,{}[\]]+/ }
+    ] });
+
+    const DATE_RE = '[0-9]{4}(-[0-9][0-9]){0,2}';
+    const TIME_RE = '([Tt \\t][0-9][0-9]?(:[0-9][0-9]){2})?';
+    const FRACTION_RE = '(\\.[0-9]*)?';
+    const ZONE_RE = '([ \\t])*(Z|[-+][0-9][0-9]?(:[0-9][0-9])?)?';
+    const TIMESTAMP = {
+      className: 'number',
+      begin: '\\b' + DATE_RE + TIME_RE + FRACTION_RE + ZONE_RE + '\\b'
+    };
+
+    const VALUE_CONTAINER = {
+      end: ',',
+      endsWithParent: true,
+      excludeEnd: true,
+      keywords: LITERALS,
+      relevance: 0
+    };
+    const OBJECT = {
+      begin: /\{/,
+      end: /\}/,
+      contains: [ VALUE_CONTAINER ],
+      illegal: '\\n',
+      relevance: 0
+    };
+    const ARRAY = {
+      begin: '\\[',
+      end: '\\]',
+      contains: [ VALUE_CONTAINER ],
+      illegal: '\\n',
+      relevance: 0
+    };
+
+    const MODES = [
+      KEY,
+      {
+        className: 'meta',
+        begin: '^---\\s*$',
+        relevance: 10
+      },
+      { // multi line string
+        // Blocks start with a | or > followed by a newline
+        //
+        // Indentation of subsequent lines must be the same to
+        // be considered part of the block
+        className: 'string',
+        begin: '[\\|>]([1-9]?[+-])?[ ]*\\n( +)[^ ][^\\n]*\\n(\\2[^\\n]+\\n?)*'
+      },
+      { // Ruby/Rails erb
+        begin: '<%[%=-]?',
+        end: '[%-]?%>',
+        subLanguage: 'ruby',
+        excludeBegin: true,
+        excludeEnd: true,
+        relevance: 0
+      },
+      { // named tags
+        className: 'type',
+        begin: '!\\w+!' + URI_CHARACTERS
+      },
+      // https://yaml.org/spec/1.2/spec.html#id2784064
+      { // verbatim tags
+        className: 'type',
+        begin: '!<' + URI_CHARACTERS + ">"
+      },
+      { // primary tags
+        className: 'type',
+        begin: '!' + URI_CHARACTERS
+      },
+      { // secondary tags
+        className: 'type',
+        begin: '!!' + URI_CHARACTERS
+      },
+      { // fragment id &ref
+        className: 'meta',
+        begin: '&' + hljs.UNDERSCORE_IDENT_RE + '$'
+      },
+      { // fragment reference *ref
+        className: 'meta',
+        begin: '\\*' + hljs.UNDERSCORE_IDENT_RE + '$'
+      },
+      { // array listing
+        className: 'bullet',
+        // TODO: remove |$ hack when we have proper look-ahead support
+        begin: '-(?=[ ]|$)',
+        relevance: 0
+      },
+      hljs.HASH_COMMENT_MODE,
+      {
+        beginKeywords: LITERALS,
+        keywords: { literal: LITERALS }
+      },
+      TIMESTAMP,
+      // numbers are any valid C-style number that
+      // sit isolated from other words
+      {
+        className: 'number',
+        begin: hljs.C_NUMBER_RE + '\\b',
+        relevance: 0
+      },
+      OBJECT,
+      ARRAY,
+      STRING
+    ];
+
+    const VALUE_MODES = [ ...MODES ];
+    VALUE_MODES.pop();
+    VALUE_MODES.push(CONTAINER_STRING);
+    VALUE_CONTAINER.contains = VALUE_MODES;
+
+    return {
+      name: 'YAML',
+      case_insensitive: true,
+      aliases: [ 'yml' ],
+      contains: MODES
+    };
+  }
+
+  return yaml;
+
+})();
+
+    hljs.registerLanguage('yaml', hljsGrammar);
+  })();

static/highlight/languages/yaml.min.js

@@ -0,0 +1,25 @@
+/*! `yaml` grammar compiled for Highlight.js 11.9.0 */
+(()=>{var e=(()=>{"use strict";return e=>{
+const n="true false yes no null",a="[\\w#;/?:@&=+$,.~*'()[\\]]+",s={
+className:"string",relevance:0,variants:[{begin:/'/,end:/'/},{begin:/"/,end:/"/
+},{begin:/\S+/}],contains:[e.BACKSLASH_ESCAPE,{className:"template-variable",
+variants:[{begin:/\{\{/,end:/\}\}/},{begin:/%\{/,end:/\}/}]}]},i=e.inherit(s,{
+variants:[{begin:/'/,end:/'/},{begin:/"/,end:/"/},{begin:/[^\s,{}[\]]+/}]}),l={
+end:",",endsWithParent:!0,excludeEnd:!0,keywords:n,relevance:0},t={begin:/\{/,
+end:/\}/,contains:[l],illegal:"\\n",relevance:0},g={begin:"\\[",end:"\\]",
+contains:[l],illegal:"\\n",relevance:0},b=[{className:"attr",variants:[{
+begin:/\w[\w :()\./-]*:(?=[ \t]|$)/},{begin:/"\w[\w :()\./-]*":(?=[ \t]|$)/},{
+begin:/'\w[\w :()\./-]*':(?=[ \t]|$)/}]},{className:"meta",begin:"^---\\s*$",
+relevance:10},{className:"string",
+begin:"[\\|>]([1-9]?[+-])?[ ]*\\n( +)[^ ][^\\n]*\\n(\\2[^\\n]+\\n?)*"},{
+begin:"<%[%=-]?",end:"[%-]?%>",subLanguage:"ruby",excludeBegin:!0,excludeEnd:!0,
+relevance:0},{className:"type",begin:"!\\w+!"+a},{className:"type",
+begin:"!<"+a+">"},{className:"type",begin:"!"+a},{className:"type",begin:"!!"+a
+},{className:"meta",begin:"&"+e.UNDERSCORE_IDENT_RE+"$"},{className:"meta",
+begin:"\\*"+e.UNDERSCORE_IDENT_RE+"$"},{className:"bullet",begin:"-(?=[ ]|$)",
+relevance:0},e.HASH_COMMENT_MODE,{beginKeywords:n,keywords:{literal:n}},{
+className:"number",
+begin:"\\b[0-9]{4}(-[0-9][0-9]){0,2}([Tt \\t][0-9][0-9]?(:[0-9][0-9]){2})?(\\.[0-9]*)?([ \\t])*(Z|[-+][0-9][0-9]?(:[0-9][0-9])?)?\\b"
+},{className:"number",begin:e.C_NUMBER_RE+"\\b",relevance:0},t,g,s],r=[...b]
+;return r.pop(),r.push(i),l.contains=r,{name:"YAML",case_insensitive:!0,
+aliases:["yml"],contains:b}}})();hljs.registerLanguage("yaml",e)})();