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More improvements to mmultiscripts in mhchem.

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This commit is contained in:
Davide P. Cervone 2015-08-17 13:40:44 -04:00
parent 2e6b2bb3f0
commit 964a9e0c59
1 changed files with 4 additions and 2 deletions
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6
unpacked/extensions/TeX/mhchem.js
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@ -303,9 +303,11 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
//
FinishAtom: function (force) {
if (this.sup || this.sub || this.presup || this.presub) {
if (!this.atom && this.tex === "" && !force) {
if (!force && !this.atom && (this.tex === "" || this.tex === "{" ||
(this.tex === "}" && this.TEX.substr(-1) === "{"))) {
this.presup = this.sup, this.presub = this.sub; // save for later
this.sub = this.sup = "";
this.TEX += this.tex; this.tex = "";
return;
}
if (this.sub && !this.sup) {this.sup = "\\Space{0pt}{0pt}{.2em}"} // forces subscripts to align properly
@ -313,7 +315,7 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
if (!this.presup && !this.sup) {this.presup = "\\Space{0pt}{0pt}{.2em}"}
this.tex = "\\CEprescripts{"+(this.presub||"\\CEnone")+"}{"+(this.presup||"\\CEnone")+"}"
+ "{"+(this.tex !== "}" ? this.tex : "")+"}"
+" {"+(this.sub||"\\CEnone")+"}{"+(this.sup||"\\CEnone")+"}"
+ "{"+(this.sub||"\\CEnone")+"}{"+(this.sup||"\\CEnone")+"}"
+ (this.tex === "}" ? "}" : "");
this.presub = this.presup = "";
} else {