suzanne.soy/scribble-mathjax
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Make mfenced match mrow+mo form, and make U+2223 and U+2225 stretchy in pre- and postfix positions (to match Firefox). Resolves issue #478.

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This commit is contained in:
Davide P. Cervone 2014-02-11 10:36:02 -05:00
parent 7bf7ffef3d
commit 641d6698e8
1 changed files with 23 additions and 6 deletions
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29
unpacked/jax/element/mml/jax.js
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@ -601,8 +601,12 @@ MathJax.ElementJax.mml.Augment({
isEmbellished: function () {return true},
hasNewline: function () {return (this.Get("linebreak") === MML.LINEBREAK.NEWLINE)},
setTeXclass: function (prev) {
this.getValues("lspace","rspace"); // sets useMMLspacing
var values = this.getValues("form","lspace","rspace","fence"); // sets useMMLspacing
if (this.useMMLspacing) {this.texClass = MML.TEXCLASS.NONE; return this}
if (values.fence && !this.texClass) {
if (values.form === MML.FORM.PREFIX) {this.texClass = MML.TEXCLASS.OPEN}
if (values.form === MML.FORM.POSTFIX) {this.texClass = MML.TEXCLASS.CLOSE}
}
this.texClass = this.Get("texClass");
if (this.data.join("") === "\u2061") {
// force previous node to be texClass OP, and skip this node
@ -908,7 +912,11 @@ MathJax.ElementJax.mml.Augment({
values.separators = values.separators.replace(/[ \t\n\r]/g,"");
// create a fake node for the open item
if (values.open !== "") {
this.SetData("open",MML.mo(values.open).With({stretchy:true, texClass:MML.TEXCLASS.OPEN}));
this.SetData("open",MML.mo(values.open).With({
fence:true, form:MML.FORM.PREFIX, texClass:MML.TEXCLASS.OPEN
}));
// Clear flag for using MML spacing even though form is specified
this.data.open.useMMLspacing &= ~this.data.open.SPACE_ATTR.form;
prev = this.data.open.setTeXclass(prev);
}
// get the separators
@ -922,7 +930,7 @@ MathJax.ElementJax.mml.Augment({
for (var i = 1, m = this.data.length; i < m; i++) {
if (this.data[i]) {
if (values.separators !== "") {
this.SetData("sep"+i,MML.mo(values.separators.charAt(i-1)));
this.SetData("sep"+i,MML.mo(values.separators.charAt(i-1)).With({separator:true}));
prev = this.data["sep"+i].setTeXclass(prev);
}
prev = this.data[i].setTeXclass(prev);
@ -930,7 +938,11 @@ MathJax.ElementJax.mml.Augment({
}
// create fake node for the close item
if (values.close !== "") {
this.SetData("close",MML.mo(values.close).With({stretchy:true, texClass:MML.TEXCLASS.CLOSE}));
this.SetData("close",MML.mo(values.close).With({
fence:true, form:MML.FORM.POSTFIX, texClass:MML.TEXCLASS.CLOSE
}));
// Clear flag for using MML spacing even though form is specified
this.data.close.useMMLspacing &= ~this.data.close.SPACE_ATTR.form;
prev = this.data.close.setTeXclass(prev);
}
// get the data from the open item
@ -1693,8 +1705,13 @@ MathJax.ElementJax.mml.Augment({
// These are not in the W3C table, but FF works this way,
// and it makes sense, so add it here
//
MML.mo.prototype.OPTABLE.infix["^"] = MO.WIDEREL;
MML.mo.prototype.OPTABLE.infix["_"] = MO.WIDEREL;
var OPTABLE = MML.mo.prototype.OPTABLE;
OPTABLE.infix["^"] = MO.WIDEREL;
OPTABLE.infix["_"] = MO.WIDEREL;
OPTABLE.prefix["\u2223"] = MO.OPEN;
OPTABLE.prefix["\u2225"] = MO.OPEN;
OPTABLE.postfix["\u2223"] = MO.CLOSE;
OPTABLE.postfix["\u2225"] = MO.CLOSE;
})(MathJax.ElementJax.mml);