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Treat control sequences as a unit when matching a macro template. #1568 #1569

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Merged
merged 2 commits into from
Aug 5, 2016
Merged

Treat control sequences as a unit when matching a macro template. #1568 #1569

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Treat control sequences as a unit when matching a macro template. Re…
dpvc Jul 28, 2016
c5b61d4
Make sure we test only control sequences at the END of the parameter.
dpvc Jul 28, 2016
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9 changes: 8 additions & 1 deletion unpacked/extensions/TeX/newcommand.js
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Original file line number Diff line number Diff line change
Expand Up @@ -234,12 +234,17 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
if (param == null) {return this.GetArgument(name)}
var i = this.i, j = 0, hasBraces = 0;
while (this.i < this.string.length) {
if (this.string.charAt(this.i) === '{') {
var c = this.string.charAt(this.i);
if (c === '{') {
if (this.i === i) {hasBraces = 1}
this.GetArgument(name); j = this.i - i;
} else if (this.MatchParam(param)) {
if (hasBraces) {i++; j -= 2}
return this.string.substr(i,j);
} else if (c === "\\") {
this.i++; j++; hasBraces = 0;
var match = this.string.substr(this.i).match(/[a-z]+|./i);
if (match) {this.i += match[0].length; j = this.i - i}
} else {
this.i++; j++; hasBraces = 0;
}
Expand All @@ -254,6 +259,8 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
*/
MatchParam: function (param) {
if (this.string.substr(this.i,param.length) !== param) {return 0}
if (param.match(/\\[a-z]+$/i) &&
this.string.charAt(this.i+param.length).match(/[a-z]/i)) {return 0}
this.i += param.length;
return 1;
}
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