fix
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261
book/node_modules/highlight.js/lib/languages/asciidoc.js
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261
book/node_modules/highlight.js/lib/languages/asciidoc.js
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/*
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Language: AsciiDoc
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Requires: xml.js
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Author: Dan Allen <dan.j.allen@gmail.com>
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Website: http://asciidoc.org
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Description: A semantic, text-based document format that can be exported to HTML, DocBook and other backends.
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Category: markup
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*/
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/** @type LanguageFn */
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function asciidoc(hljs) {
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const regex = hljs.regex;
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const HORIZONTAL_RULE = {
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begin: '^\'{3,}[ \\t]*$',
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relevance: 10
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};
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const ESCAPED_FORMATTING = [
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// escaped constrained formatting marks (i.e., \* \_ or \`)
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{ begin: /\\[*_`]/ },
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// escaped unconstrained formatting marks (i.e., \\** \\__ or \\``)
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// must ignore until the next formatting marks
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// this rule might not be 100% compliant with Asciidoctor 2.0 but we are entering undefined behavior territory...
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{ begin: /\\\\\*{2}[^\n]*?\*{2}/ },
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{ begin: /\\\\_{2}[^\n]*_{2}/ },
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{ begin: /\\\\`{2}[^\n]*`{2}/ },
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// guard: constrained formatting mark may not be preceded by ":", ";" or
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// "}". match these so the constrained rule doesn't see them
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{ begin: /[:;}][*_`](?![*_`])/ }
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];
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const STRONG = [
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// inline unconstrained strong (single line)
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{
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className: 'strong',
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begin: /\*{2}([^\n]+?)\*{2}/
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},
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// inline unconstrained strong (multi-line)
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{
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className: 'strong',
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begin: regex.concat(
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/\*\*/,
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/((\*(?!\*)|\\[^\n]|[^*\n\\])+\n)+/,
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/(\*(?!\*)|\\[^\n]|[^*\n\\])*/,
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/\*\*/
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),
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relevance: 0
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},
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// inline constrained strong (single line)
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{
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className: 'strong',
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// must not precede or follow a word character
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begin: /\B\*(\S|\S[^\n]*?\S)\*(?!\w)/
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},
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// inline constrained strong (multi-line)
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{
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className: 'strong',
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// must not precede or follow a word character
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begin: /\*[^\s]([^\n]+\n)+([^\n]+)\*/
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}
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];
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const EMPHASIS = [
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// inline unconstrained emphasis (single line)
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{
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className: 'emphasis',
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begin: /_{2}([^\n]+?)_{2}/
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},
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// inline unconstrained emphasis (multi-line)
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{
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className: 'emphasis',
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begin: regex.concat(
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/__/,
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/((_(?!_)|\\[^\n]|[^_\n\\])+\n)+/,
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/(_(?!_)|\\[^\n]|[^_\n\\])*/,
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/__/
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),
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relevance: 0
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},
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// inline constrained emphasis (single line)
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{
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className: 'emphasis',
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// must not precede or follow a word character
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begin: /\b_(\S|\S[^\n]*?\S)_(?!\w)/
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},
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// inline constrained emphasis (multi-line)
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{
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className: 'emphasis',
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// must not precede or follow a word character
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begin: /_[^\s]([^\n]+\n)+([^\n]+)_/
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},
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// inline constrained emphasis using single quote (legacy)
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{
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className: 'emphasis',
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// must not follow a word character or be followed by a single quote or space
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begin: '\\B\'(?![\'\\s])',
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end: '(\\n{2}|\')',
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// allow escaped single quote followed by word char
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contains: [
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{
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begin: '\\\\\'\\w',
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relevance: 0
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}
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],
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relevance: 0
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}
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];
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const ADMONITION = {
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className: 'symbol',
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begin: '^(NOTE|TIP|IMPORTANT|WARNING|CAUTION):\\s+',
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relevance: 10
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};
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const BULLET_LIST = {
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className: 'bullet',
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begin: '^(\\*+|-+|\\.+|[^\\n]+?::)\\s+'
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};
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return {
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name: 'AsciiDoc',
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aliases: [ 'adoc' ],
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contains: [
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// block comment
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hljs.COMMENT(
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'^/{4,}\\n',
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'\\n/{4,}$',
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// can also be done as...
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// '^/{4,}$',
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// '^/{4,}$',
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{ relevance: 10 }
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),
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// line comment
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hljs.COMMENT(
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'^//',
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'$',
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{ relevance: 0 }
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),
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// title
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{
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className: 'title',
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begin: '^\\.\\w.*$'
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},
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// example, admonition & sidebar blocks
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{
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begin: '^[=\\*]{4,}\\n',
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end: '\\n^[=\\*]{4,}$',
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relevance: 10
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},
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// headings
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{
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className: 'section',
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relevance: 10,
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variants: [
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{ begin: '^(={1,6})[ \t].+?([ \t]\\1)?$' },
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{ begin: '^[^\\[\\]\\n]+?\\n[=\\-~\\^\\+]{2,}$' }
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]
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},
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// document attributes
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{
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className: 'meta',
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begin: '^:.+?:',
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end: '\\s',
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excludeEnd: true,
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relevance: 10
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},
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// block attributes
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{
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className: 'meta',
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begin: '^\\[.+?\\]$',
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relevance: 0
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},
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// quoteblocks
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{
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className: 'quote',
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begin: '^_{4,}\\n',
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end: '\\n_{4,}$',
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relevance: 10
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},
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// listing and literal blocks
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{
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className: 'code',
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begin: '^[\\-\\.]{4,}\\n',
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end: '\\n[\\-\\.]{4,}$',
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relevance: 10
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},
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// passthrough blocks
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{
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begin: '^\\+{4,}\\n',
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end: '\\n\\+{4,}$',
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contains: [
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{
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begin: '<',
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end: '>',
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subLanguage: 'xml',
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relevance: 0
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}
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],
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relevance: 10
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},
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BULLET_LIST,
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ADMONITION,
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...ESCAPED_FORMATTING,
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...STRONG,
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...EMPHASIS,
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// inline smart quotes
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{
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className: 'string',
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variants: [
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{ begin: "``.+?''" },
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{ begin: "`.+?'" }
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]
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},
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// inline unconstrained emphasis
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{
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className: 'code',
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begin: /`{2}/,
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end: /(\n{2}|`{2})/
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},
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// inline code snippets (TODO should get same treatment as strong and emphasis)
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{
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className: 'code',
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begin: '(`.+?`|\\+.+?\\+)',
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relevance: 0
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},
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// indented literal block
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{
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className: 'code',
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begin: '^[ \\t]',
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end: '$',
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relevance: 0
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},
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HORIZONTAL_RULE,
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// images and links
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{
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begin: '(link:)?(http|https|ftp|file|irc|image:?):\\S+?\\[[^[]*?\\]',
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returnBegin: true,
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contains: [
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{
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begin: '(link|image:?):',
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relevance: 0
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},
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{
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className: 'link',
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begin: '\\w',
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end: '[^\\[]+',
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relevance: 0
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},
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{
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className: 'string',
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begin: '\\[',
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end: '\\]',
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excludeBegin: true,
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excludeEnd: true,
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relevance: 0
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}
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],
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relevance: 10
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}
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]
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};
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}
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module.exports = asciidoc;
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