346 lines
7.3 KiB
JavaScript
346 lines
7.3 KiB
JavaScript
Prism.languages.md = (function() {
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var charInsideUrl = "[-A-Z0-9+&@#/%?=~_|[\\]()!:,.;]",
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charEndingUrl = "[-A-Z0-9+&@#/%=~_|[\\])]";
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var urlPattern = new RegExp("(https?|ftp)(://" + charInsideUrl + "*" + charEndingUrl + ")(?=$|\\W)", "gi");
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var emailPattern = /(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)/gi;
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var latex = Prism.languages.latex;
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var lf = /\n/gm;
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var md = {};
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md['pre gfm'] = {
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pattern: /^`{3}.*\n(?:[\s\S]*?)\n`{3} *$/gm,
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inside: {
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"md md-pre": /`{3}/,
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lf: lf
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}
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};
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md['h1 alt'] = {
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pattern: /^(.+)[ \t]*\n=+[ \t]*$/gm,
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inside: {
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}
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};
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md['h2 alt'] = {
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pattern: /^(.+)[ \t]*\n-+[ \t]*$/gm,
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inside: {
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}
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};
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for(var i = 6; i >= 1; i--) {
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md["h" + i] = {
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pattern: new RegExp("^#{" + i + "}.+$", "gm"),
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inside: {
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"md md-hash": new RegExp("^#{" + i + "}")
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}
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};
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}
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md.li = {
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pattern: /^[ \t]*([*+\-]|\d+\.)[ \t].+(?:\n|[ \t].*\n)*/gm,
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inside: {
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"md md-li": /^[ \t]*([*+\-]|\d+\.)[ \t]/m,
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'pre gfm': {
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pattern: /^((?: {4}|\t)+)`{3}.*\n(?:[\s\S]*?)\n\1`{3} *$/gm,
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inside: {
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"md md-pre": /`{3}/,
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lf: lf
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}
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},
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lf: lf
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}
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};
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md.pre = {
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pattern: /(^|(?:^|(?:^|\n)(?![ \t]*([*+\-]|\d+\.)[ \t]).*\n)\s*?\n)(\s*(?: {4}|\t).*(?:\n|$))+/g,
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lookbehind: true,
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inside: {
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lf: lf
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}
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};
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md.table = {
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pattern: new RegExp(
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[
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'^' ,
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'[ ]{0,3}' , // Allowed whitespace
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'[|]' , // Initial pipe
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'(.+)\\n' , // $1: Header Row
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'[ ]{0,3}' , // Allowed whitespace
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'[|]([ ]*[-:]+[-| :]*)\\n' , // $2: Separator
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'(' , // $3: Table Body
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'(?:[ ]*[|].*\\n?)*' , // Table rows
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')',
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'(?:\\n|$)' // Stop at final newline
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].join(''),
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'gm'
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),
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inside: {
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lf: lf
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}
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};
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md['table alt'] = {
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pattern: new RegExp(
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[
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'^' ,
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'[ ]{0,3}' , // Allowed whitespace
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'(\\S.*[|].*)\\n' , // $1: Header Row
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'[ ]{0,3}' , // Allowed whitespace
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'([-:]+[ ]*[|][-| :]*)\\n' , // $2: Separator
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'(' , // $3: Table Body
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'(?:.*[|].*\\n?)*' , // Table rows
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')' ,
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'(?:\\n|$)' // Stop at final newline
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].join(''),
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'gm'
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),
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inside: {
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lf: lf
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}
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};
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md.hr = {
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pattern: /^([*\-_] *){3,}$/gm
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};
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md.blockquote = {
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pattern: /^ {0,3}> *[^\n]+$/gm,
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inside: {
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"md md-gt": /^ {0,3}> */,
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"li": md.li
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}
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};
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md['math block'] = {
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pattern: /(\$\$|\\\\\[|\\\\\\\\\()[\s\S]*?(\$\$|\\\\\]|\\\\\\\\\))/g,
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inside: {
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"md md-bracket-start": /^(\$\$|\\\\\[|\\\\\\\\\()/,
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"md md-bracket-end": /(\$\$|\\\\\]|\\\\\\\\\))/,
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lf: lf,
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rest: latex
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}
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};
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md['latex block'] = {
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pattern: /\\?\\begin\{[a-z]*\*?\}[\s\S]*?\\?\\end\{[a-z]*\*?\}/g,
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inside: {
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"keyword": /\\?\\(begin|end)/,
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lf: lf,
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rest: latex
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}
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};
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md.fndef = {
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pattern: /^ {0,3}\[\^.*?\]:[ \t]+.*$/gm,
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inside: {
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"ref-id": {
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pattern: /\[\^.*?\]/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-bracket-end": /\]/
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}
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}
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}
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};
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md.linkdef = {
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pattern: /^ {0,3}\[.*?\]:[ \t]+.*$/gm,
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inside: {
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"link-id": {
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pattern: /\[.*?\]/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-bracket-end": /\]/
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}
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},
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url: urlPattern,
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linktitle: /['\"\(][^\'\"\)]*['\"\)]/
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}
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};
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md.p = {
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pattern: /.+/g,
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inside: {
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'md md-toc': /^\s*\[(toc|TOC)\]\s*$/g
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}
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};
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md.lf = /^\n$/gm;
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md.img = {
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pattern: /!\[[^\]]*\]\([^\)]+\)/g,
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inside: {
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"md md-bang": /^!/,
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"md md-bracket-start": /\[/,
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"md md-alt": /[^\[]+(?=\])/,
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"md md-bracket-end": /\](?=\()/,
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"md img-parens": {
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pattern: /\([^\)]+\)/,
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inside: {
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"md md-paren-start": /^\(/,
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"md md-title": /(['‘][^'’]*['’]|["“][^"”]*["”])(?=\)$)/,
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"md md-src": /[^\('" \t]+(?=[\)'" \t])/,
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"md md-paren-end": /\)$/
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}
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}
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}
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};
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md.link = {
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pattern: /\[(?:(\\.)|[^\[\]])*\]\([^\(\)\s]+(\(\S*?\))??[^\(\)\s]*?(\s(['‘][^'’]*['’]|["“][^"”]*["”]))?\)/gm,
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inside: {
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"md md-bracket-start": {
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pattern: /(^|[^\\])\[/,
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lookbehind: true
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},
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"md md-underlined-text": {
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pattern: /(?:(\\.)|[^\[\]])+(?=\])/
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},
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"md md-bracket-end": /\]\s?\(/,
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"md md-paren-end": /\)$/,
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"md md-href": /.*/
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}
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};
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md.fn = {
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pattern: /\[\^(.*?)\]/g,
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inside: {
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"ref": {
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pattern: /^\[[^\[\]]+\] ?/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-ref": /^[^\[\]]+/,
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"md md-bracket-end": /\]/
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}
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}
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}
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};
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md.imgref = {
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pattern: /!\[(.*?)\] ?\[(.*?)\]/g,
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inside: {
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"md md-bang": /^!/,
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"ref-end": {
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pattern: /\[[^\[\]]+\]$/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-href": /[^\[\]]+(?=]$)/,
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"md md-bracket-end": /\]/
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}
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},
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"ref-start": {
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pattern: /^\[[^\[\]]+\] ?/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-alt": /^[^\[\]]+/,
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"md md-bracket-end": /\]/
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}
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}
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}
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};
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md.linkref = {
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pattern: /\[(.*?)\] ?\[(.*?)\]/g,
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inside: {
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"ref-end": {
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pattern: /\[[^\[\]]+\]$/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-href": /[^\[\]]+(?=]$)/,
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"md md-bracket-end": /\]/
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}
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},
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"ref-start": {
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pattern: /^\[[^\[\]]+\] ?/,
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inside: {
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"md md-bracket-start": /\[/,
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"md md-underlined-text": /^[^\[\]]+/,
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"md md-bracket-end": /\]/
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}
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}
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}
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};
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md.code = {
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pattern: /(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/g,
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lookbehind: true,
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inside: {
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"md md-code": /`/
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}
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};
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md.math = {
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pattern: /\$.*?\$/g,
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inside: {
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"md md-bracket-start": /^\$/,
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"md md-bracket-end": /\$$/,
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rest: latex
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}
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};
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md.strong = {
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pattern: /([_\*])\1((?!\1{2}).)*\1{2}/g,
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inside: {
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"md md-strong": /([_\*])\1/g
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}
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};
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md.em = {
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pattern: /(^|[^\\])(\*|_)(\S[^\2]*?)??[^\s\\]+?\2/g,
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lookbehind: true,
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inside: {
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"md md-em md-start": /^(\*|_)/,
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"md md-em md-close": /(\*|_)$/
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}
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};
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md.strike = {
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pattern: /(^|\n|\W)(~~)(?=\S)([^\r]*?\S)\2/gm,
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lookbehind: true,
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inside: {
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"md md-s": /(~~)/,
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"md-strike-text": /[^~]+/
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}
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};
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var rest = {
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code: md.code,
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math: md.math,
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fn: md.fn,
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img: md.img,
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link: md.link,
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imgref: md.imgref,
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linkref: md.linkref,
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url: urlPattern,
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email: emailPattern,
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strong: md.strong,
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em: md.em,
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strike: md.strike,
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conflict: /⧸⧸/g,
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comment: Prism.languages.markup.comment,
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tag: Prism.languages.markup.tag,
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entity: Prism.languages.markup.entity
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};
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for(var c = 6; c >= 1; c--) {
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md["h" + c].inside.rest = rest;
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}
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md["h1 alt"].inside.rest = rest;
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md["h2 alt"].inside.rest = rest;
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md.table.inside.rest = rest;
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md["table alt"].inside.rest = rest;
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md.p.inside.rest = rest;
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md.blockquote.inside.rest = rest;
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md.li.inside.rest = rest;
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md.fndef.inside.rest = rest;
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rest = {
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code: md.code,
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fn: md.fn,
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link: md.link,
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linkref: md.linkref,
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conflict: /⧸⧸/g,
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};
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md.strong.inside.rest = rest;
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md.em.inside.rest = rest;
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md.strike.inside.rest = rest;
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var inside = {
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code: md.code,
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strong: md.strong,
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em: md.em,
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strike: md.strike,
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conflict: /⧸⧸/g,
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comment: Prism.languages.markup.comment,
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tag: Prism.languages.markup.tag,
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entity: Prism.languages.markup.entity
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};
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md.link.inside["md md-underlined-text"].inside = inside;
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md.linkref.inside["ref-start"].inside["md md-underlined-text"].inside = inside;
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return md;
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})();
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