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Handle empty delimiter patterns, and don't scan the page if there is nothing to look for (resolves issue #174)

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This commit is contained in:
Davide P. Cervone 2011-09-28 06:30:50 -04:00
parent 7d11c17c89
commit 8930ef853e
8 changed files with 16 additions and 17 deletions
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2
config/Accessible-full.js
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config/Accessible.js
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config/TeX-AMS-MML_HTMLorMML-full.js
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config/TeX-AMS-MML_HTMLorMML.js
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config/TeX-AMS_HTML-full.js
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config/TeX-AMS_HTML.js
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extensions/tex2jax.js
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unpacked/extensions/tex2jax.js
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@ -24,7 +24,7 @@
*/
MathJax.Extension.tex2jax = {
version: "1.1.4",
version: "1.1.5",
config: {
inlineMath: [ // The start/stop pairs for in-line math
// ['$','$'], // (comment out any you don't want, or add your own, but
@ -74,12 +74,11 @@ MathJax.Extension.tex2jax = {
}
if (typeof(element) === "string") {element = document.getElementById(element)}
if (!element) {element = document.body}
this.createPatterns();
this.scanElement(element,element.nextSibling);
if (this.createPatterns()) {this.scanElement(element,element.nextSibling)}
},
createPatterns: function () {
var starts = [], i, m, config = this.config;
var starts = [], parts = [], i, m, config = this.config;
this.match = {};
for (i = 0, m = config.inlineMath.length; i < m; i++) {
starts.push(this.patternQuote(config.inlineMath[i][0]));
@ -97,15 +96,15 @@ MathJax.Extension.tex2jax = {
pattern: this.endPattern(config.displayMath[i][1])
};
}
this.start = new RegExp(
starts.sort(this.sortLength).join("|") +
(config.processEnvironments ? "|\\\\begin\\{([^}]*)\\}" : "") +
(config.processEscapes ? "|\\\\*\\\\\\\$" : "") +
(config.processRefs ? "|\\\\(eq)?ref\\{[^}]*\\}" : ""), "g"
);
if (starts.length) {parts.push(starts.sort(this.sortLEngth).join("|"))}
if (config.processEnvironments) {parts.push("\\\\begin\\{([^}]*)\\}")}
if (config.processEscapes) {parts.push("\\\\*\\\\\\\$")}
if (config.processRefs) {parts.push("\\\\(eq)?ref\\{[^}]*\\}")}
this.start = new RegExp(parts.join("|"),"g");
this.skipTags = new RegExp("^("+config.skipTags.join("|")+")$","i");
this.ignoreClass = new RegExp("(^| )("+config.ignoreClass+")( |$)");
this.processClass = new RegExp("(^| )("+config.processClass+")( |$)");
return (parts.length > 0);
},
patternQuote: function (s) {return s.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,'\\$1')},