} userOptions\n */\n function configure(userOptions) {\n if (userOptions.useBR) {\n deprecated(\"10.3.0\", \"'useBR' will be removed entirely in v11.0\");\n deprecated(\"10.3.0\", \"Please see https://github.com/highlightjs/highlight.js/issues/2559\");\n }\n options = inherit$1(options, userOptions);\n }\n\n /**\n * Highlights to all blocks on a page\n *\n * @type {Function & {called?: boolean}}\n */\n // TODO: remove v12, deprecated\n const initHighlighting = () => {\n if (initHighlighting.called) return;\n initHighlighting.called = true;\n\n deprecated(\"10.6.0\", \"initHighlighting() is deprecated. Use highlightAll() instead.\");\n\n const blocks = document.querySelectorAll('pre code');\n blocks.forEach(highlightElement);\n };\n\n // Higlights all when DOMContentLoaded fires\n // TODO: remove v12, deprecated\n function initHighlightingOnLoad() {\n deprecated(\"10.6.0\", \"initHighlightingOnLoad() is deprecated. Use highlightAll() instead.\");\n wantsHighlight = true;\n }\n\n let wantsHighlight = false;\n\n /**\n * auto-highlights all pre>code elements on the page\n */\n function highlightAll() {\n // if we are called too early in the loading process\n if (document.readyState === \"loading\") {\n wantsHighlight = true;\n return;\n }\n\n const blocks = document.querySelectorAll('pre code');\n blocks.forEach(highlightElement);\n }\n\n function boot() {\n // if a highlight was requested before DOM was loaded, do now\n if (wantsHighlight) highlightAll();\n }\n\n // make sure we are in the browser environment\n if (typeof window !== 'undefined' && window.addEventListener) {\n window.addEventListener('DOMContentLoaded', boot, false);\n }\n\n /**\n * Register a language grammar module\n *\n * @param {string} languageName\n * @param {LanguageFn} languageDefinition\n */\n function registerLanguage(languageName, languageDefinition) {\n let lang = null;\n try {\n lang = languageDefinition(hljs);\n } catch (error$1) {\n error(\"Language definition for '{}' could not be registered.\".replace(\"{}\", languageName));\n // hard or soft error\n if (!SAFE_MODE) { throw error$1; } else { error(error$1); }\n // languages that have serious errors are replaced with essentially a\n // \"plaintext\" stand-in so that the code blocks will still get normal\n // css classes applied to them - and one bad language won't break the\n // entire highlighter\n lang = PLAINTEXT_LANGUAGE;\n }\n // give it a temporary name if it doesn't have one in the meta-data\n if (!lang.name) lang.name = languageName;\n languages[languageName] = lang;\n lang.rawDefinition = languageDefinition.bind(null, hljs);\n\n if (lang.aliases) {\n registerAliases(lang.aliases, { languageName });\n }\n }\n\n /**\n * Remove a language grammar module\n *\n * @param {string} languageName\n */\n function unregisterLanguage(languageName) {\n delete languages[languageName];\n for (const alias of Object.keys(aliases)) {\n if (aliases[alias] === languageName) {\n delete aliases[alias];\n }\n }\n }\n\n /**\n * @returns {string[]} List of language internal names\n */\n function listLanguages() {\n return Object.keys(languages);\n }\n\n /**\n intended usage: When one language truly requires another\n\n Unlike `getLanguage`, this will throw when the requested language\n is not available.\n\n @param {string} name - name of the language to fetch/require\n @returns {Language | never}\n */\n function requireLanguage(name) {\n deprecated(\"10.4.0\", \"requireLanguage will be removed entirely in v11.\");\n deprecated(\"10.4.0\", \"Please see https://github.com/highlightjs/highlight.js/pull/2844\");\n\n const lang = getLanguage(name);\n if (lang) { return lang; }\n\n const err = new Error('The \\'{}\\' language is required, but not loaded.'.replace('{}', name));\n throw err;\n }\n\n /**\n * @param {string} name - name of the language to retrieve\n * @returns {Language | undefined}\n */\n function getLanguage(name) {\n name = (name || '').toLowerCase();\n return languages[name] || languages[aliases[name]];\n }\n\n /**\n *\n * @param {string|string[]} aliasList - single alias or list of aliases\n * @param {{languageName: string}} opts\n */\n function registerAliases(aliasList, { languageName }) {\n if (typeof aliasList === 'string') {\n aliasList = [aliasList];\n }\n aliasList.forEach(alias => { aliases[alias.toLowerCase()] = languageName; });\n }\n\n /**\n * Determines if a given language has auto-detection enabled\n * @param {string} name - name of the language\n */\n function autoDetection(name) {\n const lang = getLanguage(name);\n return lang && !lang.disableAutodetect;\n }\n\n /**\n * Upgrades the old highlightBlock plugins to the new\n * highlightElement API\n * @param {HLJSPlugin} plugin\n */\n function upgradePluginAPI(plugin) {\n // TODO: remove with v12\n if (plugin[\"before:highlightBlock\"] && !plugin[\"before:highlightElement\"]) {\n plugin[\"before:highlightElement\"] = (data) => {\n plugin[\"before:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n if (plugin[\"after:highlightBlock\"] && !plugin[\"after:highlightElement\"]) {\n plugin[\"after:highlightElement\"] = (data) => {\n plugin[\"after:highlightBlock\"](\n Object.assign({ block: data.el }, data)\n );\n };\n }\n }\n\n /**\n * @param {HLJSPlugin} plugin\n */\n function addPlugin(plugin) {\n upgradePluginAPI(plugin);\n plugins.push(plugin);\n }\n\n /**\n *\n * @param {PluginEvent} event\n * @param {any} args\n */\n function fire(event, args) {\n const cb = event;\n plugins.forEach(function(plugin) {\n if (plugin[cb]) {\n plugin[cb](args);\n }\n });\n }\n\n /**\n Note: fixMarkup is deprecated and will be removed entirely in v11\n\n @param {string} arg\n @returns {string}\n */\n function deprecateFixMarkup(arg) {\n deprecated(\"10.2.0\", \"fixMarkup will be removed entirely in v11.0\");\n deprecated(\"10.2.0\", \"Please see https://github.com/highlightjs/highlight.js/issues/2534\");\n\n return fixMarkup(arg);\n }\n\n /**\n *\n * @param {HighlightedHTMLElement} el\n */\n function deprecateHighlightBlock(el) {\n deprecated(\"10.7.0\", \"highlightBlock will be removed entirely in v12.0\");\n deprecated(\"10.7.0\", \"Please use highlightElement now.\");\n\n return highlightElement(el);\n }\n\n /* Interface definition */\n Object.assign(hljs, {\n highlight,\n highlightAuto,\n highlightAll,\n fixMarkup: deprecateFixMarkup,\n highlightElement,\n // TODO: Remove with v12 API\n highlightBlock: deprecateHighlightBlock,\n configure,\n initHighlighting,\n initHighlightingOnLoad,\n registerLanguage,\n unregisterLanguage,\n listLanguages,\n getLanguage,\n registerAliases,\n requireLanguage,\n autoDetection,\n inherit: inherit$1,\n addPlugin,\n // plugins for frameworks\n vuePlugin: BuildVuePlugin(hljs).VuePlugin\n });\n\n hljs.debugMode = function() { SAFE_MODE = false; };\n hljs.safeMode = function() { SAFE_MODE = true; };\n hljs.versionString = version;\n\n for (const key in MODES) {\n // @ts-ignore\n if (typeof MODES[key] === \"object\") {\n // @ts-ignore\n deepFreezeEs6(MODES[key]);\n }\n }\n\n // merge all the modes/regexs into our main object\n Object.assign(hljs, MODES);\n\n // built-in plugins, likely to be moved out of core in the future\n hljs.addPlugin(brPlugin); // slated to be removed in v11\n hljs.addPlugin(mergeHTMLPlugin);\n hljs.addPlugin(tabReplacePlugin);\n return hljs;\n};\n\n// export an \"instance\" of the highlighter\nvar highlight = HLJS({});\n\nmodule.exports = highlight;\n","const IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';\nconst KEYWORDS = [\n \"as\", // for exports\n \"in\",\n \"of\",\n \"if\",\n \"for\",\n \"while\",\n \"finally\",\n \"var\",\n \"new\",\n \"function\",\n \"do\",\n \"return\",\n \"void\",\n \"else\",\n \"break\",\n \"catch\",\n \"instanceof\",\n \"with\",\n \"throw\",\n \"case\",\n \"default\",\n \"try\",\n \"switch\",\n \"continue\",\n \"typeof\",\n \"delete\",\n \"let\",\n \"yield\",\n \"const\",\n \"class\",\n // JS handles these with a special rule\n // \"get\",\n // \"set\",\n \"debugger\",\n \"async\",\n \"await\",\n \"static\",\n \"import\",\n \"from\",\n \"export\",\n \"extends\"\n];\nconst LITERALS = [\n \"true\",\n \"false\",\n \"null\",\n \"undefined\",\n \"NaN\",\n \"Infinity\"\n];\n\nconst TYPES = [\n \"Intl\",\n \"DataView\",\n \"Number\",\n \"Math\",\n \"Date\",\n \"String\",\n \"RegExp\",\n \"Object\",\n \"Function\",\n \"Boolean\",\n \"Error\",\n \"Symbol\",\n \"Set\",\n \"Map\",\n \"WeakSet\",\n \"WeakMap\",\n \"Proxy\",\n \"Reflect\",\n \"JSON\",\n \"Promise\",\n \"Float64Array\",\n \"Int16Array\",\n \"Int32Array\",\n \"Int8Array\",\n \"Uint16Array\",\n \"Uint32Array\",\n \"Float32Array\",\n \"Array\",\n \"Uint8Array\",\n \"Uint8ClampedArray\",\n \"ArrayBuffer\",\n \"BigInt64Array\",\n \"BigUint64Array\",\n \"BigInt\"\n];\n\nconst ERROR_TYPES = [\n \"EvalError\",\n \"InternalError\",\n \"RangeError\",\n \"ReferenceError\",\n \"SyntaxError\",\n \"TypeError\",\n \"URIError\"\n];\n\nconst BUILT_IN_GLOBALS = [\n \"setInterval\",\n \"setTimeout\",\n \"clearInterval\",\n \"clearTimeout\",\n\n \"require\",\n \"exports\",\n\n \"eval\",\n \"isFinite\",\n \"isNaN\",\n \"parseFloat\",\n \"parseInt\",\n \"decodeURI\",\n \"decodeURIComponent\",\n \"encodeURI\",\n \"encodeURIComponent\",\n \"escape\",\n \"unescape\"\n];\n\nconst BUILT_IN_VARIABLES = [\n \"arguments\",\n \"this\",\n \"super\",\n \"console\",\n \"window\",\n \"document\",\n \"localStorage\",\n \"module\",\n \"global\" // Node.js\n];\n\nconst BUILT_INS = [].concat(\n BUILT_IN_GLOBALS,\n BUILT_IN_VARIABLES,\n TYPES,\n ERROR_TYPES\n);\n\n/**\n * @param {string} value\n * @returns {RegExp}\n * */\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction source(re) {\n if (!re) return null;\n if (typeof re === \"string\") return re;\n\n return re.source;\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction lookahead(re) {\n return concat('(?=', re, ')');\n}\n\n/**\n * @param {...(RegExp | string) } args\n * @returns {string}\n */\nfunction concat(...args) {\n const joined = args.map((x) => source(x)).join(\"\");\n return joined;\n}\n\n/*\nLanguage: JavaScript\nDescription: JavaScript (JS) is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions.\nCategory: common, scripting\nWebsite: https://developer.mozilla.org/en-US/docs/Web/JavaScript\n*/\n\n/** @type LanguageFn */\nfunction javascript(hljs) {\n /**\n * Takes a string like \" {\n const tag = \"',\n end: ''\n };\n const XML_TAG = {\n begin: /<[A-Za-z0-9\\\\._:-]+/,\n end: /\\/[A-Za-z0-9\\\\._:-]+>|\\/>/,\n /**\n * @param {RegExpMatchArray} match\n * @param {CallbackResponse} response\n */\n isTrulyOpeningTag: (match, response) => {\n const afterMatchIndex = match[0].length + match.index;\n const nextChar = match.input[afterMatchIndex];\n // nested type?\n // HTML should not include another raw `<` inside a tag\n // But a type might: `>`, etc.\n if (nextChar === \"<\") {\n response.ignoreMatch();\n return;\n }\n // \n // This is now either a tag or a type.\n if (nextChar === \">\") {\n // if we cannot find a matching closing tag, then we\n // will ignore it\n if (!hasClosingTag(match, { after: afterMatchIndex })) {\n response.ignoreMatch();\n }\n }\n }\n };\n const KEYWORDS$1 = {\n $pattern: IDENT_RE,\n keyword: KEYWORDS,\n literal: LITERALS,\n built_in: BUILT_INS\n };\n\n // https://tc39.es/ecma262/#sec-literals-numeric-literals\n const decimalDigits = '[0-9](_?[0-9])*';\n const frac = `\\\\.(${decimalDigits})`;\n // DecimalIntegerLiteral, including Annex B NonOctalDecimalIntegerLiteral\n // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals\n const decimalInteger = `0|[1-9](_?[0-9])*|0[0-7]*[89][0-9]*`;\n const NUMBER = {\n className: 'number',\n variants: [\n // DecimalLiteral\n { begin: `(\\\\b(${decimalInteger})((${frac})|\\\\.)?|(${frac}))` +\n `[eE][+-]?(${decimalDigits})\\\\b` },\n { begin: `\\\\b(${decimalInteger})\\\\b((${frac})\\\\b|\\\\.)?|(${frac})\\\\b` },\n\n // DecimalBigIntegerLiteral\n { begin: `\\\\b(0|[1-9](_?[0-9])*)n\\\\b` },\n\n // NonDecimalIntegerLiteral\n { begin: \"\\\\b0[xX][0-9a-fA-F](_?[0-9a-fA-F])*n?\\\\b\" },\n { begin: \"\\\\b0[bB][0-1](_?[0-1])*n?\\\\b\" },\n { begin: \"\\\\b0[oO][0-7](_?[0-7])*n?\\\\b\" },\n\n // LegacyOctalIntegerLiteral (does not include underscore separators)\n // https://tc39.es/ecma262/#sec-additional-syntax-numeric-literals\n { begin: \"\\\\b0[0-7]+n?\\\\b\" },\n ],\n relevance: 0\n };\n\n const SUBST = {\n className: 'subst',\n begin: '\\\\$\\\\{',\n end: '\\\\}',\n keywords: KEYWORDS$1,\n contains: [] // defined later\n };\n const HTML_TEMPLATE = {\n begin: 'html`',\n end: '',\n starts: {\n end: '`',\n returnEnd: false,\n contains: [\n hljs.BACKSLASH_ESCAPE,\n SUBST\n ],\n subLanguage: 'xml'\n }\n };\n const CSS_TEMPLATE = {\n begin: 'css`',\n end: '',\n starts: {\n end: '`',\n returnEnd: false,\n contains: [\n hljs.BACKSLASH_ESCAPE,\n SUBST\n ],\n subLanguage: 'css'\n }\n };\n const TEMPLATE_STRING = {\n className: 'string',\n begin: '`',\n end: '`',\n contains: [\n hljs.BACKSLASH_ESCAPE,\n SUBST\n ]\n };\n const JSDOC_COMMENT = hljs.COMMENT(\n /\\/\\*\\*(?!\\/)/,\n '\\\\*/',\n {\n relevance: 0,\n contains: [\n {\n className: 'doctag',\n begin: '@[A-Za-z]+',\n contains: [\n {\n className: 'type',\n begin: '\\\\{',\n end: '\\\\}',\n relevance: 0\n },\n {\n className: 'variable',\n begin: IDENT_RE$1 + '(?=\\\\s*(-)|$)',\n endsParent: true,\n relevance: 0\n },\n // eat spaces (not newlines) so we can find\n // types or variables\n {\n begin: /(?=[^\\n])\\s/,\n relevance: 0\n }\n ]\n }\n ]\n }\n );\n const COMMENT = {\n className: \"comment\",\n variants: [\n JSDOC_COMMENT,\n hljs.C_BLOCK_COMMENT_MODE,\n hljs.C_LINE_COMMENT_MODE\n ]\n };\n const SUBST_INTERNALS = [\n hljs.APOS_STRING_MODE,\n hljs.QUOTE_STRING_MODE,\n HTML_TEMPLATE,\n CSS_TEMPLATE,\n TEMPLATE_STRING,\n NUMBER,\n hljs.REGEXP_MODE\n ];\n SUBST.contains = SUBST_INTERNALS\n .concat({\n // we need to pair up {} inside our subst to prevent\n // it from ending too early by matching another }\n begin: /\\{/,\n end: /\\}/,\n keywords: KEYWORDS$1,\n contains: [\n \"self\"\n ].concat(SUBST_INTERNALS)\n });\n const SUBST_AND_COMMENTS = [].concat(COMMENT, SUBST.contains);\n const PARAMS_CONTAINS = SUBST_AND_COMMENTS.concat([\n // eat recursive parens in sub expressions\n {\n begin: /\\(/,\n end: /\\)/,\n keywords: KEYWORDS$1,\n contains: [\"self\"].concat(SUBST_AND_COMMENTS)\n }\n ]);\n const PARAMS = {\n className: 'params',\n begin: /\\(/,\n end: /\\)/,\n excludeBegin: true,\n excludeEnd: true,\n keywords: KEYWORDS$1,\n contains: PARAMS_CONTAINS\n };\n\n return {\n name: 'Javascript',\n aliases: ['js', 'jsx', 'mjs', 'cjs'],\n keywords: KEYWORDS$1,\n // this will be extended by TypeScript\n exports: { PARAMS_CONTAINS },\n illegal: /#(?![$_A-z])/,\n contains: [\n hljs.SHEBANG({\n label: \"shebang\",\n binary: \"node\",\n relevance: 5\n }),\n {\n label: \"use_strict\",\n className: 'meta',\n relevance: 10,\n begin: /^\\s*['\"]use (strict|asm)['\"]/\n },\n hljs.APOS_STRING_MODE,\n hljs.QUOTE_STRING_MODE,\n HTML_TEMPLATE,\n CSS_TEMPLATE,\n TEMPLATE_STRING,\n COMMENT,\n NUMBER,\n { // object attr container\n begin: concat(/[{,\\n]\\s*/,\n // we need to look ahead to make sure that we actually have an\n // attribute coming up so we don't steal a comma from a potential\n // \"value\" container\n //\n // NOTE: this might not work how you think. We don't actually always\n // enter this mode and stay. Instead it might merely match `,\n // ` and then immediately end after the , because it\n // fails to find any actual attrs. But this still does the job because\n // it prevents the value contain rule from grabbing this instead and\n // prevening this rule from firing when we actually DO have keys.\n lookahead(concat(\n // we also need to allow for multiple possible comments inbetween\n // the first key:value pairing\n /(((\\/\\/.*$)|(\\/\\*(\\*[^/]|[^*])*\\*\\/))\\s*)*/,\n IDENT_RE$1 + '\\\\s*:'))),\n relevance: 0,\n contains: [\n {\n className: 'attr',\n begin: IDENT_RE$1 + lookahead('\\\\s*:'),\n relevance: 0\n }\n ]\n },\n { // \"value\" container\n begin: '(' + hljs.RE_STARTERS_RE + '|\\\\b(case|return|throw)\\\\b)\\\\s*',\n keywords: 'return throw case',\n contains: [\n COMMENT,\n hljs.REGEXP_MODE,\n {\n className: 'function',\n // we have to count the parens to make sure we actually have the\n // correct bounding ( ) before the =>. There could be any number of\n // sub-expressions inside also surrounded by parens.\n begin: '(\\\\(' +\n '[^()]*(\\\\(' +\n '[^()]*(\\\\(' +\n '[^()]*' +\n '\\\\)[^()]*)*' +\n '\\\\)[^()]*)*' +\n '\\\\)|' + hljs.UNDERSCORE_IDENT_RE + ')\\\\s*=>',\n returnBegin: true,\n end: '\\\\s*=>',\n contains: [\n {\n className: 'params',\n variants: [\n {\n begin: hljs.UNDERSCORE_IDENT_RE,\n relevance: 0\n },\n {\n className: null,\n begin: /\\(\\s*\\)/,\n skip: true\n },\n {\n begin: /\\(/,\n end: /\\)/,\n excludeBegin: true,\n excludeEnd: true,\n keywords: KEYWORDS$1,\n contains: PARAMS_CONTAINS\n }\n ]\n }\n ]\n },\n { // could be a comma delimited list of params to a function call\n begin: /,/, relevance: 0\n },\n {\n className: '',\n begin: /\\s/,\n end: /\\s*/,\n skip: true\n },\n { // JSX\n variants: [\n { begin: FRAGMENT.begin, end: FRAGMENT.end },\n {\n begin: XML_TAG.begin,\n // we carefully check the opening tag to see if it truly\n // is a tag and not a false positive\n 'on:begin': XML_TAG.isTrulyOpeningTag,\n end: XML_TAG.end\n }\n ],\n subLanguage: 'xml',\n contains: [\n {\n begin: XML_TAG.begin,\n end: XML_TAG.end,\n skip: true,\n contains: ['self']\n }\n ]\n }\n ],\n relevance: 0\n },\n {\n className: 'function',\n beginKeywords: 'function',\n end: /[{;]/,\n excludeEnd: true,\n keywords: KEYWORDS$1,\n contains: [\n 'self',\n hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1 }),\n PARAMS\n ],\n illegal: /%/\n },\n {\n // prevent this from getting swallowed up by function\n // since they appear \"function like\"\n beginKeywords: \"while if switch catch for\"\n },\n {\n className: 'function',\n // we have to count the parens to make sure we actually have the correct\n // bounding ( ). There could be any number of sub-expressions inside\n // also surrounded by parens.\n begin: hljs.UNDERSCORE_IDENT_RE +\n '\\\\(' + // first parens\n '[^()]*(\\\\(' +\n '[^()]*(\\\\(' +\n '[^()]*' +\n '\\\\)[^()]*)*' +\n '\\\\)[^()]*)*' +\n '\\\\)\\\\s*\\\\{', // end parens\n returnBegin:true,\n contains: [\n PARAMS,\n hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1 }),\n ]\n },\n // hack: prevents detection of keywords in some circumstances\n // .keyword()\n // $keyword = x\n {\n variants: [\n { begin: '\\\\.' + IDENT_RE$1 },\n { begin: '\\\\$' + IDENT_RE$1 }\n ],\n relevance: 0\n },\n { // ES6 class\n className: 'class',\n beginKeywords: 'class',\n end: /[{;=]/,\n excludeEnd: true,\n illegal: /[:\"[\\]]/,\n contains: [\n { beginKeywords: 'extends' },\n hljs.UNDERSCORE_TITLE_MODE\n ]\n },\n {\n begin: /\\b(?=constructor)/,\n end: /[{;]/,\n excludeEnd: true,\n contains: [\n hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1 }),\n 'self',\n PARAMS\n ]\n },\n {\n begin: '(get|set)\\\\s+(?=' + IDENT_RE$1 + '\\\\()',\n end: /\\{/,\n keywords: \"get set\",\n contains: [\n hljs.inherit(hljs.TITLE_MODE, { begin: IDENT_RE$1 }),\n { begin: /\\(\\)/ }, // eat to avoid empty params\n PARAMS\n ]\n },\n {\n begin: /\\$[(.]/ // relevance booster for a pattern common to JS libs: `$(something)` and `$.something`\n }\n ]\n };\n}\n\nmodule.exports = javascript;\n","/**\n * @param {string} value\n * @returns {RegExp}\n * */\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction source(re) {\n if (!re) return null;\n if (typeof re === \"string\") return re;\n\n return re.source;\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction lookahead(re) {\n return concat('(?=', re, ')');\n}\n\n/**\n * @param {RegExp | string } re\n * @returns {string}\n */\nfunction optional(re) {\n return concat('(', re, ')?');\n}\n\n/**\n * @param {...(RegExp | string) } args\n * @returns {string}\n */\nfunction concat(...args) {\n const joined = args.map((x) => source(x)).join(\"\");\n return joined;\n}\n\n/**\n * Any of the passed expresssions may match\n *\n * Creates a huge this | this | that | that match\n * @param {(RegExp | string)[] } args\n * @returns {string}\n */\nfunction either(...args) {\n const joined = '(' + args.map((x) => source(x)).join(\"|\") + \")\";\n return joined;\n}\n\n/*\nLanguage: HTML, XML\nWebsite: https://www.w3.org/XML/\nCategory: common\nAudit: 2020\n*/\n\n/** @type LanguageFn */\nfunction xml(hljs) {\n // Element names can contain letters, digits, hyphens, underscores, and periods\n const TAG_NAME_RE = concat(/[A-Z_]/, optional(/[A-Z0-9_.-]*:/), /[A-Z0-9_.-]*/);\n const XML_IDENT_RE = /[A-Za-z0-9._:-]+/;\n const XML_ENTITIES = {\n className: 'symbol',\n begin: /&[a-z]+;|&#[0-9]+;|&#x[a-f0-9]+;/\n };\n const XML_META_KEYWORDS = {\n begin: /\\s/,\n contains: [\n {\n className: 'meta-keyword',\n begin: /#?[a-z_][a-z1-9_-]+/,\n illegal: /\\n/\n }\n ]\n };\n const XML_META_PAR_KEYWORDS = hljs.inherit(XML_META_KEYWORDS, {\n begin: /\\(/,\n end: /\\)/\n });\n const APOS_META_STRING_MODE = hljs.inherit(hljs.APOS_STRING_MODE, {\n className: 'meta-string'\n });\n const QUOTE_META_STRING_MODE = hljs.inherit(hljs.QUOTE_STRING_MODE, {\n className: 'meta-string'\n });\n const TAG_INTERNALS = {\n endsWithParent: true,\n illegal: /`]+/\n }\n ]\n }\n ]\n }\n ]\n };\n return {\n name: 'HTML, XML',\n aliases: [\n 'html',\n 'xhtml',\n 'rss',\n 'atom',\n 'xjb',\n 'xsd',\n 'xsl',\n 'plist',\n 'wsf',\n 'svg'\n ],\n case_insensitive: true,\n contains: [\n {\n className: 'meta',\n begin: //,\n relevance: 10,\n contains: [\n XML_META_KEYWORDS,\n QUOTE_META_STRING_MODE,\n APOS_META_STRING_MODE,\n XML_META_PAR_KEYWORDS,\n {\n begin: /\\[/,\n end: /\\]/,\n contains: [\n {\n className: 'meta',\n begin: //,\n contains: [\n XML_META_KEYWORDS,\n XML_META_PAR_KEYWORDS,\n QUOTE_META_STRING_MODE,\n APOS_META_STRING_MODE\n ]\n }\n ]\n }\n ]\n },\n hljs.COMMENT(\n //,\n {\n relevance: 10\n }\n ),\n {\n begin: //,\n relevance: 10\n },\n XML_ENTITIES,\n {\n className: 'meta',\n begin: /<\\?xml/,\n end: /\\?>/,\n relevance: 10\n },\n {\n className: 'tag',\n /*\n The lookahead pattern (?=...) ensures that 'begin' only matches\n ')/,\n end: />/,\n keywords: {\n name: 'style'\n },\n contains: [ TAG_INTERNALS ],\n starts: {\n end: /<\\/style>/,\n returnEnd: true,\n subLanguage: [\n 'css',\n 'xml'\n ]\n }\n },\n {\n className: 'tag',\n // See the comment in the