suzanne.soy/scribble-math
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Make routine to skip initial spaces, and have it also skip empty braces. Issue #389.

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This commit is contained in:
Davide P. Cervone 2014-02-09 06:20:23 -05:00
parent 5b1655a2fe
commit 61f671710e
1 changed files with 20 additions and 20 deletions
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40
unpacked/extensions/TeX/AMSmath.js
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@ -438,6 +438,24 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
}
delete global.tag; delete global.tagID; delete global.label;
return tag;
},
/*
* Set the initial <mo> to have form="infix" and lspace="0",
* skipping any initial space or empty braces (TeXAtom with child
* being an empty inferred row).
*/
fixInitialMO: function (data) {
for (var i = 0, m = data.length; i < m; i++) {
if (data[i] && (data[i].type !== "mspace" &&
(data[i].type !== "texatom" || !data[i].data[0] || data[i].data[0].data.length))) {
if (data[i].isEmbellished()) {
var core = data[i].CoreMO();
core.form = MML.FORM.INFIX; core.lspace = 0;
}
break;
}
}
}
});
@ -453,15 +471,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
stack.global.tagged = !numbered && !stack.global.forcetag; // prevent automatic tagging in starred environments
},
EndEntry: function () {
for (var i = 0, m = this.data.length; i < m; i++) {
if (this.data[i] && this.data[i].type !== "mspace") {
if (this.data[i].isEmbellished()) {
var core = this.data[i].CoreMO();
core.form = MML.FORM.INFIX; core.lspace = 0;
}
break;
}
}
if (this.table.length) {this.fixInitialMO(this.data)}
var mtd = MML.mtd.apply(MML,this.data);
if (this.data.shove) {mtd.columnalign = this.data.shove}
this.row.push(mtd);
@ -509,17 +519,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
stack.global.tagged = !numbered && !stack.global.forcetag; // prevent automatic tagging in starred environments
},
EndEntry: function () {
if (this.row.length > 0) {
for (var i = 0, m = this.data.length; i < m; i++) {
if (this.data[i] && this.data[i].type !== "mspace") {
if (this.data[i].isEmbellished()) {
var core = this.data[i].CoreMO();
core.form = MML.FORM.INFIX; core.lspace = 0;
}
break;
}
}
}
if (this.row.length) {this.fixInitialMO(this.data)}
this.row.push(MML.mtd.apply(MML,this.data));
this.data = [];
},