' +\n * hljs.highlight(str, { language: lang, ignoreIllegals: true }).value +\n * '
';\n * } catch (__) {}\n * }\n *\n * return '' + md.utils.escapeHtml(str) + '
';\n * }\n * });\n * ```\n *\n **/\n\n\nfunction MarkdownIt(presetName, options) {\n if (!(this instanceof MarkdownIt)) {\n return new MarkdownIt(presetName, options);\n }\n\n if (!options) {\n if (!utils.isString(presetName)) {\n options = presetName || {};\n presetName = 'default';\n }\n }\n /**\n * MarkdownIt#inline -> ParserInline\n *\n * Instance of [[ParserInline]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n\n this.inline = new ParserInline();\n /**\n * MarkdownIt#block -> ParserBlock\n *\n * Instance of [[ParserBlock]]. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.block = new ParserBlock();\n /**\n * MarkdownIt#core -> Core\n *\n * Instance of [[Core]] chain executor. You may need it to add new rules when\n * writing plugins. For simple rules control use [[MarkdownIt.disable]] and\n * [[MarkdownIt.enable]].\n **/\n\n this.core = new ParserCore();\n /**\n * MarkdownIt#renderer -> Renderer\n *\n * Instance of [[Renderer]]. Use it to modify output look. Or to add rendering\n * rules for new token types, generated by plugins.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')();\n *\n * function myToken(tokens, idx, options, env, self) {\n * //...\n * return result;\n * };\n *\n * md.renderer.rules['my_token'] = myToken\n * ```\n *\n * See [[Renderer]] docs and [source code](https://github.com/markdown-it/markdown-it/blob/master/lib/renderer.js).\n **/\n\n this.renderer = new Renderer();\n /**\n * MarkdownIt#linkify -> LinkifyIt\n *\n * [linkify-it](https://github.com/markdown-it/linkify-it) instance.\n * Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/lib/rules_core/linkify.js)\n * rule.\n **/\n\n this.linkify = new LinkifyIt();\n /**\n * MarkdownIt#validateLink(url) -> Boolean\n *\n * Link validation function. CommonMark allows too much in links. By default\n * we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas\n * except some embedded image types.\n *\n * You can change this behaviour:\n *\n * ```javascript\n * var md = require('markdown-it')();\n * // enable everything\n * md.validateLink = function () { return true; }\n * ```\n **/\n\n this.validateLink = validateLink;\n /**\n * MarkdownIt#normalizeLink(url) -> String\n *\n * Function used to encode link url to a machine-readable format,\n * which includes url-encoding, punycode, etc.\n **/\n\n this.normalizeLink = normalizeLink;\n /**\n * MarkdownIt#normalizeLinkText(url) -> String\n *\n * Function used to decode link url to a human-readable format`\n **/\n\n this.normalizeLinkText = normalizeLinkText; // Expose utils & helpers for easy acces from plugins\n\n /**\n * MarkdownIt#utils -> utils\n *\n * Assorted utility functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/common/utils.js).\n **/\n\n this.utils = utils;\n /**\n * MarkdownIt#helpers -> helpers\n *\n * Link components parser functions, useful to write plugins. See details\n * [here](https://github.com/markdown-it/markdown-it/blob/master/lib/helpers).\n **/\n\n this.helpers = utils.assign({}, helpers);\n this.options = {};\n this.configure(presetName);\n\n if (options) {\n this.set(options);\n }\n}\n/** chainable\n * MarkdownIt.set(options)\n *\n * Set parser options (in the same format as in constructor). Probably, you\n * will never need it, but you can change options after constructor call.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .set({ html: true, breaks: true })\n * .set({ typographer, true });\n * ```\n *\n * __Note:__ To achieve the best possible performance, don't modify a\n * `markdown-it` instance options on the fly. If you need multiple configurations\n * it's best to create multiple instances and initialize each with separate\n * config.\n **/\n\n\nMarkdownIt.prototype.set = function (options) {\n utils.assign(this.options, options);\n return this;\n};\n/** chainable, internal\n * MarkdownIt.configure(presets)\n *\n * Batch load of all options and compenent settings. This is internal method,\n * and you probably will not need it. But if you will - see available presets\n * and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/lib/presets)\n *\n * We strongly recommend to use presets instead of direct config loads. That\n * will give better compatibility with next versions.\n **/\n\n\nMarkdownIt.prototype.configure = function (presets) {\n var self = this,\n presetName;\n\n if (utils.isString(presets)) {\n presetName = presets;\n presets = config[presetName];\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset \"' + presetName + '\", check name');\n }\n }\n\n if (!presets) {\n throw new Error('Wrong `markdown-it` preset, can\\'t be empty');\n }\n\n if (presets.options) {\n self.set(presets.options);\n }\n\n if (presets.components) {\n Object.keys(presets.components).forEach(function (name) {\n if (presets.components[name].rules) {\n self[name].ruler.enableOnly(presets.components[name].rules);\n }\n\n if (presets.components[name].rules2) {\n self[name].ruler2.enableOnly(presets.components[name].rules2);\n }\n });\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.enable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to enable\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * Enable list or rules. It will automatically find appropriate components,\n * containing rules with given names. If rule not found, and `ignoreInvalid`\n * not set - throws exception.\n *\n * ##### Example\n *\n * ```javascript\n * var md = require('markdown-it')()\n * .enable(['sub', 'sup'])\n * .disable('smartquotes');\n * ```\n **/\n\n\nMarkdownIt.prototype.enable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.enable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.enable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.disable(list, ignoreInvalid)\n * - list (String|Array): rule name or list of rule names to disable.\n * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.\n *\n * The same as [[MarkdownIt.enable]], but turn specified rules off.\n **/\n\n\nMarkdownIt.prototype.disable = function (list, ignoreInvalid) {\n var result = [];\n\n if (!Array.isArray(list)) {\n list = [list];\n }\n\n ['core', 'block', 'inline'].forEach(function (chain) {\n result = result.concat(this[chain].ruler.disable(list, true));\n }, this);\n result = result.concat(this.inline.ruler2.disable(list, true));\n var missed = list.filter(function (name) {\n return result.indexOf(name) < 0;\n });\n\n if (missed.length && !ignoreInvalid) {\n throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);\n }\n\n return this;\n};\n/** chainable\n * MarkdownIt.use(plugin, params)\n *\n * Load specified plugin with given params into current parser instance.\n * It's just a sugar to call `plugin(md, params)` with curring.\n *\n * ##### Example\n *\n * ```javascript\n * var iterator = require('markdown-it-for-inline');\n * var md = require('markdown-it')()\n * .use(iterator, 'foo_replace', 'text', function (tokens, idx) {\n * tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar');\n * });\n * ```\n **/\n\n\nMarkdownIt.prototype.use = function (plugin\n/*, params, ... */\n) {\n var args = [this].concat(Array.prototype.slice.call(arguments, 1));\n plugin.apply(plugin, args);\n return this;\n};\n/** internal\n * MarkdownIt.parse(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Parse input string and return list of block tokens (special token type\n * \"inline\" will contain list of inline tokens). You should not call this\n * method directly, until you write custom renderer (for example, to produce\n * AST).\n *\n * `env` is used to pass data between \"distributed\" rules and return additional\n * metadata like reference info, needed for the renderer. It also can be used to\n * inject data in specific cases. Usually, you will be ok to pass `{}`,\n * and then pass updated object to renderer.\n **/\n\n\nMarkdownIt.prototype.parse = function (src, env) {\n if (typeof src !== 'string') {\n throw new Error('Input data should be a String');\n }\n\n var state = new this.core.State(src, this, env);\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.render(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Render markdown string into html. It does all magic for you :).\n *\n * `env` can be used to inject additional metadata (`{}` by default).\n * But you will not need it with high probability. See also comment\n * in [[MarkdownIt.parse]].\n **/\n\n\nMarkdownIt.prototype.render = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parse(src, env), this.options, env);\n};\n/** internal\n * MarkdownIt.parseInline(src, env) -> Array\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * The same as [[MarkdownIt.parse]] but skip all block rules. It returns the\n * block tokens list with the single `inline` element, containing parsed inline\n * tokens in `children` property. Also updates `env` object.\n **/\n\n\nMarkdownIt.prototype.parseInline = function (src, env) {\n var state = new this.core.State(src, this, env);\n state.inlineMode = true;\n this.core.process(state);\n return state.tokens;\n};\n/**\n * MarkdownIt.renderInline(src [, env]) -> String\n * - src (String): source string\n * - env (Object): environment sandbox\n *\n * Similar to [[MarkdownIt.render]] but for single paragraph content. Result\n * will NOT be wrapped into `` tags.\n **/\n\n\nMarkdownIt.prototype.renderInline = function (src, env) {\n env = env || {};\n return this.renderer.render(this.parseInline(src, env), this.options, env);\n};\n\nmodule.exports = MarkdownIt;","// Just a shortcut for bulk export\n'use strict';\n\nexports.parseLinkLabel = require('./parse_link_label');\nexports.parseLinkDestination = require('./parse_link_destination');\nexports.parseLinkTitle = require('./parse_link_title');","// Parse link label\n//\n// this function assumes that first character (\"[\") already matches;\n// returns the end of the label\n//\n'use strict';\n\nmodule.exports = function parseLinkLabel(state, start, disableNested) {\n var level,\n found,\n marker,\n prevPos,\n labelEnd = -1,\n max = state.posMax,\n oldPos = state.pos;\n state.pos = start + 1;\n level = 1;\n\n while (state.pos < max) {\n marker = state.src.charCodeAt(state.pos);\n\n if (marker === 0x5D\n /* ] */\n ) {\n level--;\n\n if (level === 0) {\n found = true;\n break;\n }\n }\n\n prevPos = state.pos;\n state.md.inline.skipToken(state);\n\n if (marker === 0x5B\n /* [ */\n ) {\n if (prevPos === state.pos - 1) {\n // increase level if we find text `[`, which is not a part of any token\n level++;\n } else if (disableNested) {\n state.pos = oldPos;\n return -1;\n }\n }\n }\n\n if (found) {\n labelEnd = state.pos;\n } // restore old state\n\n\n state.pos = oldPos;\n return labelEnd;\n};","// Parse link destination\n//\n'use strict';\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\nmodule.exports = function parseLinkDestination(str, pos, max) {\n var code,\n level,\n lines = 0,\n start = pos,\n result = {\n ok: false,\n pos: 0,\n lines: 0,\n str: ''\n };\n\n if (str.charCodeAt(pos) === 0x3C\n /* < */\n ) {\n pos++;\n\n while (pos < max) {\n code = str.charCodeAt(pos);\n\n if (code === 0x0A\n /* \\n */\n ) {\n return result;\n }\n\n if (code === 0x3C\n /* < */\n ) {\n return result;\n }\n\n if (code === 0x3E\n /* > */\n ) {\n result.pos = pos + 1;\n result.str = unescapeAll(str.slice(start + 1, pos));\n result.ok = true;\n return result;\n }\n\n if (code === 0x5C\n /* \\ */\n && pos + 1 < max) {\n pos += 2;\n continue;\n }\n\n pos++;\n } // no closing '>'\n\n\n return result;\n } // this should be ... } else { ... branch\n\n\n level = 0;\n\n while (pos < max) {\n code = str.charCodeAt(pos);\n\n if (code === 0x20) {\n break;\n } // ascii control characters\n\n\n if (code < 0x20 || code === 0x7F) {\n break;\n }\n\n if (code === 0x5C\n /* \\ */\n && pos + 1 < max) {\n if (str.charCodeAt(pos + 1) === 0x20) {\n break;\n }\n\n pos += 2;\n continue;\n }\n\n if (code === 0x28\n /* ( */\n ) {\n level++;\n\n if (level > 32) {\n return result;\n }\n }\n\n if (code === 0x29\n /* ) */\n ) {\n if (level === 0) {\n break;\n }\n\n level--;\n }\n\n pos++;\n }\n\n if (start === pos) {\n return result;\n }\n\n if (level !== 0) {\n return result;\n }\n\n result.str = unescapeAll(str.slice(start, pos));\n result.lines = lines;\n result.pos = pos;\n result.ok = true;\n return result;\n};","// Parse link title\n//\n'use strict';\n\nvar unescapeAll = require('../common/utils').unescapeAll;\n\nmodule.exports = function parseLinkTitle(str, pos, max) {\n var code,\n marker,\n lines = 0,\n start = pos,\n result = {\n ok: false,\n pos: 0,\n lines: 0,\n str: ''\n };\n\n if (pos >= max) {\n return result;\n }\n\n marker = str.charCodeAt(pos);\n\n if (marker !== 0x22\n /* \" */\n && marker !== 0x27\n /* ' */\n && marker !== 0x28\n /* ( */\n ) {\n return result;\n }\n\n pos++; // if opening marker is \"(\", switch it to closing marker \")\"\n\n if (marker === 0x28) {\n marker = 0x29;\n }\n\n while (pos < max) {\n code = str.charCodeAt(pos);\n\n if (code === marker) {\n result.pos = pos + 1;\n result.lines = lines;\n result.str = unescapeAll(str.slice(start + 1, pos));\n result.ok = true;\n return result;\n } else if (code === 0x28\n /* ( */\n && marker === 0x29\n /* ) */\n ) {\n return result;\n } else if (code === 0x0A) {\n lines++;\n } else if (code === 0x5C\n /* \\ */\n && pos + 1 < max) {\n pos++;\n\n if (str.charCodeAt(pos) === 0x0A) {\n lines++;\n }\n }\n\n pos++;\n }\n\n return result;\n};","/**\n * class Renderer\n *\n * Generates HTML from parsed token stream. Each instance has independent\n * copy of rules. Those can be rewritten with ease. Also, you can add new\n * rules if you create plugin and adds new token types.\n **/\n'use strict';\n\nvar assign = require('./common/utils').assign;\n\nvar unescapeAll = require('./common/utils').unescapeAll;\n\nvar escapeHtml = require('./common/utils').escapeHtml; ////////////////////////////////////////////////////////////////////////////////\n\n\nvar default_rules = {};\n\ndefault_rules.code_inline = function (tokens, idx, options, env, slf) {\n var token = tokens[idx];\n return '' + escapeHtml(tokens[idx].content) + '
';\n};\n\ndefault_rules.code_block = function (tokens, idx, options, env, slf) {\n var token = tokens[idx];\n return '
' + escapeHtml(tokens[idx].content) + '
\\n';\n};\n\ndefault_rules.fence = function (tokens, idx, options, env, slf) {\n var token = tokens[idx],\n info = token.info ? unescapeAll(token.info).trim() : '',\n langName = '',\n langAttrs = '',\n highlighted,\n i,\n arr,\n tmpAttrs,\n tmpToken;\n\n if (info) {\n arr = info.split(/(\\s+)/g);\n langName = arr[0];\n langAttrs = arr.slice(2).join('');\n }\n\n if (options.highlight) {\n highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);\n } else {\n highlighted = escapeHtml(token.content);\n }\n\n if (highlighted.indexOf('' + highlighted + '
\\n';\n }\n\n return '' + highlighted + '
\\n';\n};\n\ndefault_rules.image = function (tokens, idx, options, env, slf) {\n var token = tokens[idx]; // \"alt\" attr MUST be set, even if empty. Because it's mandatory and\n // should be placed on proper position for tests.\n //\n // Replace content with actual value\n\n token.attrs[token.attrIndex('alt')][1] = slf.renderInlineAsText(token.children, options, env);\n return slf.renderToken(tokens, idx, options);\n};\n\ndefault_rules.hardbreak = function (tokens, idx, options\n/*, env */\n) {\n return options.xhtmlOut ? '