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Backport fix for template macros with no arguments (#2901) #2905

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Backport fix for template macros with no arguments (#2901) #2905

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8 changes: 5 additions & 3 deletions unpacked/extensions/TeX/newcommand.js
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Original file line number Diff line number Diff line change
Expand Up @@ -177,14 +177,16 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
* Process a macro with a parameter template
*/
MacroWithTemplate: function (name,text,n,params) {
if (n) {
if (params.length) {
var args = []; this.GetNext();
if (params[0] && !this.MatchParam(params[0])) {
TEX.Error(["MismatchUseDef",
"Use of %1 doesn't match its definition",name]);
}
for (var i = 0; i < n; i++) {args.push(this.GetParameter(name,params[i+1]))}
text = this.SubstituteArgs(args,text);
if (n) {
for (var i = 0; i < n; i++) {args.push(this.GetParameter(name,params[i+1]))}
text = this.SubstituteArgs(args,text);
}
}
this.string = this.AddArgs(text,this.string.slice(this.i));
this.i = 0;
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