mathjax/unpacked/extensions/TeX/noUndefined.js

73 lines
2.4 KiB
JavaScript

/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/extensions/TeX/noUndefined.js
*
* This causes undefined control sequences to be shown as their macro
* names rather than producing an error message. So $X_{\xxx}$ would
* display as an X with a subscript consiting of the text "\xxx".
*
* To configure this extension, use for example
*
* MathJax.Hub.Config({
* TeX: {
* noUndefined: {
* attributes: {
* mathcolor: "red",
* mathbackground: "#FFEEEE",
* mathsize: "90%"
* }
* }
* }
* });
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2010-2018 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// The configuration defaults, augmented by the user settings
//
MathJax.Extension["TeX/noUndefined"] = {
version: "2.7.4",
config: MathJax.Hub.CombineConfig("TeX.noUndefined",{
disabled: false, // set to true to return to original error messages
attributes: {
mathcolor: "red"
}
})
};
MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
var CONFIG = MathJax.Extension["TeX/noUndefined"].config;
var MML = MathJax.ElementJax.mml;
var UNDEFINED = MathJax.InputJax.TeX.Parse.prototype.csUndefined;
MathJax.InputJax.TeX.Parse.Augment({
csUndefined: function (name) {
if (CONFIG.disabled) {return UNDEFINED.apply(this,arguments)}
MathJax.Hub.signal.Post(["TeX Jax - undefined control sequence",name]);
this.Push(MML.mtext(name).With(CONFIG.attributes));
}
});
MathJax.Hub.Startup.signal.Post("TeX noUndefined Ready");
});
MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/noUndefined.js");