2022-11-04 06:17:40 +01:00
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/*
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* /MathJax/latest.js
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*
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* Copyright (c) 2009-2018 The MathJax Consortium
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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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2022-11-04 06:23:29 +01:00
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/*
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* @author nobody
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* @since 2022-11-04
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*
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* This file was modified:
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* - Obfuscation reverted with www.dcode.fr
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* - getLatestMathJax defused and call the loadDefaultMathJax() method directly.
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*/
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2022-11-04 06:20:13 +01:00
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(function() {
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function Error(text) {
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if (console && console.log) {
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console.log(text);
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}
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}
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function getScript() {
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if (document.currentScript) {
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return document.currentScript;
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}
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var scriptsIncluded = document.getElementsByTagName("script");
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var i = 0;
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var patchLen = scriptsIncluded.length;
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for (; i < patchLen; i++) {
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var script = scriptsIncluded[i];
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var cdn;
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for (cdn in CDN) {
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if (CDN.hasOwnProperty(cdn)) {
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var url = CDN[cdn].mathjax;
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if (script.src && script.src.substr(0, url.length) === url) {
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return script;
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}
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}
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}
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}
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}
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function getCDN(script) {
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if (!script) {
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return;
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}
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var cdn = script.src.replace(/https:\/\//, "").replace(/[\/\?].*/, "");
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return CDN[cdn];
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}
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function getURLParameter() {
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var pathmatches;
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try {
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pathmatches = valExpr.exec(document.cookie);
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} catch (r) {}
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if (pathmatches && pathmatches[1] !== "") {
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return pathmatches[1];
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}
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}
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2022-11-04 06:23:29 +01:00
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// function setVersion(value) {
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// cookie = "mjx.latest=" + value;
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// var d = new Date;
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// d.setDate(d.getDate() + 7);
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// cookie = cookie + ("; expires=" + d.toGMTString());
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// cookie = cookie + "; path=/";
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// try {
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// document.cookie = cookie;
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// } catch (r) {}
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// }
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2022-11-04 06:20:13 +01:00
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2022-11-04 06:23:29 +01:00
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// function getXMLHttpRequest() {
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// if (window.XMLHttpRequest) {
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// return new XMLHttpRequest;
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// }
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// if (window.ActiveXObject) {
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// try {
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// return new ActiveXObject("Msxml2.XMLHTTP");
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// } catch (q) {}
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// try {
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// return new ActiveXObject("Microsoft.XMLHTTP");
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// } catch (q) {}
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// }
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// }
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2022-11-04 06:20:13 +01:00
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function loadMathJax(url) {
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var script = document.createElement("script");
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script.type = "text/javascript";
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script.async = true;
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script.src = url;
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var el_head = document.head || document.getElementsByTagName("head")[0] || document.body;
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if (el_head) {
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el_head.appendChild(script);
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} else {
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Error("Can't find the document <head> element");
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}
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}
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function loadDefaultMathJax() {
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var script = getScript();
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if (script) {
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loadMathJax(script.src.replace(/\/latest\.js/, "/MathJax.js"));
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} else {
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Error("Can't determine the URL for loading MathJax");
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}
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}
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function getLatestMathJax(cdn, config, unpacked) {
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2022-11-04 06:23:29 +01:00
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// var request = getXMLHttpRequest();
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// if (request) {
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// request.onreadystatechange = function() {
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// if (request.readyState === 4) {
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// if (request.status === 200) {
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// var json = JSON.parse(request.responseText);
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// if (json instanceof Array) {
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// json = json[0];
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// }
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// var value = json[cdn.version];
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// if (value.substr(0, 2) === "2.") {
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// setVersion(value);
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// loadMathJax(cdn.mathjax + json[cdn.version] + unpacked + "/MathJax.js" + config);
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// return;
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// }
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// } else {
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// Error("Problem acquiring MathJax version: status = " + request.status);
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// }
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// loadDefaultMathJax();
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// }
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// };
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// request.open("GET", cdn.api, true);
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// request.send(null);
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// } else {
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// Error("Can't create XMLHttpRequest object");
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// loadDefaultMathJax();
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// }
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loadDefaultMathJax();
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2022-11-04 06:20:13 +01:00
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}
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2022-11-04 06:23:29 +01:00
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2022-11-04 06:20:13 +01:00
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var CDN = {
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"cdnjs.cloudflare.com": {
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api: "https://api.cdnjs.com/libraries/mathjax?fields=version",
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version: "version",
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mathjax: "https://cdnjs.cloudflare.com/ajax/libs/mathjax/"
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},
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"cdn.rawgit.com": {
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api: "https://api.github.com/repos/mathjax/mathjax/releases/latest",
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version: "tag_name",
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mathjax: "https://cdn.rawgit.com/mathjax/MathJax/"
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},
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"cdn.jsdelivr.net": {
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api: "https://api.jsdelivr.com/v1/jsdelivr/libraries?name=mathjax&lastversion=*",
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version: "lastversion",
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mathjax: "https://cdn.jsdelivr.net/mathjax/"
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}
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};
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2022-11-04 06:23:29 +01:00
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2022-11-04 06:20:13 +01:00
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var valExpr = /(?:^|;\s*)mjx\.latest=([^;]*)(?:;|$)/;
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var script = getScript();
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var cdn = getCDN(script);
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2022-11-04 06:23:29 +01:00
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2022-11-04 06:20:13 +01:00
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if (cdn) {
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var config = script.src.replace(/.*?(\?|$)/, "$1");
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config = config + ((config ? "&" : "?") + "latest");
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var unpacked = script.src.match(/\/unpacked\/latest\.js/) ? "/unpacked" : "";
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var version = getURLParameter();
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if (version) {
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loadMathJax(cdn.mathjax + version + unpacked + "/MathJax.js" + config);
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} else {
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getLatestMathJax(cdn, config, unpacked);
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}
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} else {
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loadDefaultMathJax();
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}
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})();
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