102 lines
3.5 KiB
JavaScript
102 lines
3.5 KiB
JavaScript
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/*************************************************************
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*
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* MathJax/config/MMLorHTML.js
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*
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* Chooses between the NativeMML and HTML-CSS output jax depending
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* on the capabilities of the browser and configuration settings
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* of the page.
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*
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* This file should be added to the config array when configuring
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* MathJax. Note that if you include this, you should NOT include
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* an output jax in the jax array (it will be added for you by
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* this file).
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*
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* You can specify the preferred output jax on a global or
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* browser-by-browser basis. To specify it globally, use
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*
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* MathJax.Hub.Config({
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* MMLorHTML: {prefer: "MML"} // or "HTML"
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* });
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*
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* To specify on a browser-by-borwser basis, use
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*
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* MathJax.Hub.Config({
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* MMLorHTML: {prefer: {
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* MSIE: "MML",
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* Firefox: "MML",
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* Opera: "HTML",
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* other: "HTML"
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* }}
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* });
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*
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* ---------------------------------------------------------------------
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*
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* Copyright (c) 2010-2011 Design Science, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function (HUB) {
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var VERSION = "1.1.1";
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var CONFIG = MathJax.Hub.CombineConfig("MMLorHTML",{
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prefer: {MSIE:"MML", Firefox:"MML", Opera:"HTML", other:"HTML"}
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});
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var MINBROWSERVERSION = {
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Firefox: 3.0,
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Opera: 9.52,
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MSIE: 6.0,
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Chrome: 0.3,
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Safari: 2.0,
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Konqueror: 4.0
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};
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var canUseHTML = (HUB.Browser.version === "0.0" ||
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HUB.Browser.versionAtLeast(MINBROWSERVERSION[HUB.Browser]||0.0));
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var MathPlayer = false;
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if (!HUB.Browser.isIE9) // this crashes IE9 RC, so skip it for now
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{try {new ActiveXObject("MathPlayer.Factory.1"); MathPlayer = true} catch(err) {}}
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var canUseMML = (HUB.Browser.isFirefox && HUB.Browser.versionAtLeast("1.5")) ||
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(HUB.Browser.isMSIE && MathPlayer) ||
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(HUB.Browser.isOpera && HUB.Browser.versionAtLeast("9.52"));
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HUB.Register.StartupHook("End Config",function () {
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var prefer = (CONFIG.prefer && typeof(CONFIG.prefer) === "object" ?
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CONFIG.prefer[MathJax.Hub.Browser]||CONFIG.prefer.other||"HTML" :
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CONFIG.prefer);
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if (canUseHTML || canUseMML) {
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if (canUseMML && (prefer === "MML" || !canUseHTML)) {
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if (MathJax.OutputJax.NativeMML) {MathJax.OutputJax.NativeMML.Register("jax/mml")}
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else {HUB.config.jax.unshift("output/NativeMML")}
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HUB.Startup.signal.Post("NativeMML output selected");
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} else {
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if (MathJax.OutputJax["HTML-CSS"]) {MathJax.OutputJax["HTML-CSS"].Register("jax/mml")}
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else {HUB.config.jax.unshift("output/HTML-CSS")}
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HUB.Startup.signal.Post("HTML-CSS output selected");
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}
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} else {
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HUB.PreProcess.disabled = true;
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HUB.prepareScripts.disabled = true;
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MathJax.Message.Set("Your browser does not support MathJax",null,4000);
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HUB.Startup.signal.Post("MathJax not supported");
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}
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});
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})(MathJax.Hub);
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MathJax.Ajax.loadComplete("[MathJax]/config/MMLorHTML.js");
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