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Merge branch 'issue881' into develop. Issue #881.

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This commit is contained in:
Davide P. Cervone 2014-08-19 09:01:59 -04:00
commit f4d56e3baf
1 changed files with 9 additions and 4 deletions
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13
unpacked/extensions/TeX/newcommand.js
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@ -48,7 +48,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
TEX.Parse.Augment({
/*
* Implement \newcommand{\name}[n]{...}
* Implement \newcommand{\name}[n][default]{...}
*/
NewCommand: function (name) {
var cs = this.trimSpaces(this.GetArgument(name)),
@ -76,6 +76,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
NewEnvironment: function (name) {
var env = this.trimSpaces(this.GetArgument(name)),
n = this.GetBrackets(name),
opt = this.GetBrackets(name),
bdef = this.GetArgument(name),
edef = this.GetArgument(name);
if (n) {
@ -85,7 +86,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
"Illegal number of parameters specified in %1",name]);
}
}
this.setEnv(env,['BeginEnv',[null,'EndEnv'],bdef,edef,n]);
this.setEnv(env,['BeginEnv',[null,'EndEnv'],bdef,edef,n,opt]);
},
/*
@ -203,10 +204,14 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
/*
* Process a user-defined environment
*/
BeginEnv: function (begin,bdef,edef,n) {
BeginEnv: function (begin,bdef,edef,n,def) {
if (n) {
var args = [];
for (var i = 0; i < n; i++) {args.push(this.GetArgument("\\begin{"+name+"}"))}
if (def != null) {
var optional = this.GetBrackets("\\begin{"+name+"}");
args.push(optional == null ? def : optional);
}
for (var i = args.length; i < n; i++) {args.push(this.GetArgument("\\begin{"+name+"}"))}
bdef = this.SubstituteArgs(args,bdef);
edef = this.SubstituteArgs([],edef); // no args, but get errors for #n in edef
}