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Prism.languages.markdown = Prism.languages.extend('markup', {});
Prism.languages.insertBefore('markdown', 'prolog', {
'blockquote': {
// > ...
pattern: /(^|\n)>(?:[\t ]*>)*/,
lookbehind: true,
alias: 'punctuation'
},
'code': [
{
// Prefixed by 4 spaces or 1 tab
pattern: /(^|\n)(?: {4}|\t).+/,
lookbehind: true,
alias: 'keyword'
},
{
// `code`
// ``code``
pattern: /``.+?``|`[^`\n]+`/,
alias: 'keyword'
}
],
'title': [
{
// title 1
// =======
// title 2
// -------
pattern: /\w+.*\n(?:==+|--+)/,
alias: 'important',
inside: {
punctuation: /==+$|--+$/
}
},
{
// # title 1
// ###### title 6
pattern: /((?:^|\n)\s*)#+.+/,
lookbehind: true,
alias: 'important',
inside: {
punctuation: /^#+|#+$/
}
}
],
'hr': {
// ***
// ---
// * * *
// -----------
pattern: /((?:^|\n)\s*)([*-])([\t ]*\2){2,}(?=\s*(?:\n|$))/,
lookbehind: true,
alias: 'punctuation'
},
'list': {
// * item
// + item
// - item
// 1. item
pattern: /((?:^|\n)\s*)(?:[*+-]|\d+\.)(?=[\t ].)/,
lookbehind: true,
alias: 'punctuation'
},
'url-reference': {
// [id]: http://example.com "Optional title"
// [id]: http://example.com 'Optional title'
// [id]: http://example.com (Optional title)
// [id]: <http://example.com> "Optional title"
pattern: /!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:[^>]|\\>)+>)(?:[\t ]+(?:"(?:[^"]|\\")*"|'(?:[^']|\\')*'|\((?:[^)]|\\\))*\)))?/,
inside: {
'variable': {
pattern: /^(!?\[)[^\]]+/,
lookbehind: true
},
'string': /(?:"(?:[^"]|\\")*"|'(?:[^']|\\')*'|\((?:[^)]|\\\))*\))$/,
'punctuation': /[[\]\(\)<>:]/
},
alias: 'url'
},
'bold': {
// **strong**
// __strong__
// Allow only one line break
pattern: /(^|[^\\])(\*\*|__)(?:\n(?!\n)|.)+?\2/,
lookbehind: true,
inside: {
'punctuation': /^\*\*|^__|\*\*\s*$|__\s*$/
}
},
'italic': {
// *em*
// _em_
// Allow only one line break
pattern: /(^|[^\\])(?:\*(?:\n(?!\n)|.)+?\*|_(?:\n(?!\n)|.)+?_)/,
lookbehind: true,
inside: {
'punctuation': /^[*_]|[*_]$/
}
},
'url': {
// [example](http://example.com "Optional title")
// [example] [id]
pattern: /!?\[[^\]]+\](?:\([^\s)]+(?:[\t ]+"(?:[^"]|\\")*")?\)| ?\[[^\]\n]*\])/,
inside: {
'variable': {
pattern: /(!?\[)[^\]]+(?=\]$)/,
lookbehind: true
},
'string': {
pattern: /"(?:[^"]|\\")*"(?=\)$)/
}
}
}
});
Prism.languages.markdown['bold'].inside['url'] = Prism.util.clone(Prism.languages.markdown['url']);
Prism.languages.markdown['italic'].inside['url'] = Prism.util.clone(Prism.languages.markdown['url']);
Prism.languages.markdown['bold'].inside['italic'] = Prism.util.clone(Prism.languages.markdown['italic']);
Prism.languages.markdown['italic'].inside['bold'] = Prism.util.clone(Prism.languages.markdown['bold']);