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refactor: escaped characters within tag attributes

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This commit is contained in:
Estevao Soares dos Santos 2017-10-24 09:27:08 +01:00
parent e862e242f7
commit 32800a14a8
5 changed files with 4 additions and 5 deletions
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dist/showdown.js vendored
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dist/showdown.js.map vendored
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dist/showdown.min.js vendored
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9
src/subParsers/escapeSpecialCharsWithinTagAttributes.js
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@ -7,17 +7,16 @@ showdown.subParser('escapeSpecialCharsWithinTagAttributes', function (text, opti
text = globals.converter._dispatch('escapeSpecialCharsWithinTagAttributes.before', text, options, globals);
// Build a regex to find HTML tags.
var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>)/gi,
// due to catastrophic backtrace we split the old regex into two, one for tags and one for comments
regexComments = /<!(--(?:|(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)>/gi;
var tags = /<\/?[a-z\d_:-]+(?:[\s]+[\s\S]+?)?>/gi,
comments = /<!(--(?:(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)>/gi;
text = text.replace(regex, function (wholeMatch) {
text = text.replace(tags, function (wholeMatch) {
return wholeMatch
.replace(/(.)<\/?code>(?=.)/g, '$1`')
.replace(/([\\`*_~=|])/g, showdown.helper.escapeCharactersCallback);
});
text = text.replace(regexComments, function (wholeMatch) {
text = text.replace(comments, function (wholeMatch) {
return wholeMatch
.replace(/([\\`*_~=|])/g, showdown.helper.escapeCharactersCallback);
});