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t.getRoot = function() {
    var t = "//../../es5";
    if ("undefined" != typeof document) {
        var e = document.currentScript || document.getElementById("MathJax-script");
        e && (t = e.src.replace(/\/[^\/]*$/, ""))
    }
    return t
}

// [...]

prefix: function(t) {
    for (var r; (r = t.name.match(/^\[([^\]]*)\]/)) && e.CONFIG.paths.hasOwnProperty(r[1]); )
        t.name = e.CONFIG.paths[r[1]] + t.name.substr(r[0].length);
    return !0
}

if (document.getElementById && document.childNodes && document.createElement) {
    if (!(window.MathJax && MathJax.Hub)) {
        if (window.MathJax) {
            window.MathJax = {
                AuthorConfig: window.MathJax
            }
        } else {
            window.MathJax = {}
        }

// [...]

MathJax.Hub.Startup = {
    script: "",
    queue: MathJax.Callback.Queue(),
    signal: MathJax.Callback.Signal("Startup"),
    params: {},
    Config: function() {
        this.queue.Push(["Post", this.signal, "Begin Config"]);
        if (MathJax.AuthorConfig && MathJax.AuthorConfig.root) {
            MathJax.Ajax.config.root = MathJax.AuthorConfig.root
        }

// [...]

fileURL: function(j) {
    var i;
    while ((i = j.match(/^\[([-._a-z0-9]+)\]/i)) && b.hasOwnProperty(i[1])) {
        j = (b[i[1]] || this.config.root) + j.substr(i[1].length + 2) // Loading MathJax.AuthorConfig.root and type coercice to String
    }
    return j
}

// [...]

Load: function(k, m) {
    m = a.Callback(m);
    var l;
    if (k instanceof Object) {
        for (var j in k) {
            if (k.hasOwnProperty(j)) {
                l = j.toUpperCase();
                k = k[j]
            }
        }
    } else {
        l = k.split(/\./).pop().toUpperCase()
    }
    k = this.fileURL(k);
    if (this.loading[k]) {
        this.addHook(k, m)
    } else {
        this.head = h(this.head);
        if (this.loader[l]) {
            this.loader[l].call(this, k, m) // Calls loader['JS'] below

// [...]

loader: {
    JS: function(k, m) {
        var j = this.fileName(k);
        var i = document.createElement("script");
        var l = a.Callback(["loadTimeout", this, k]);
        this.loading[k] = {
            callback: m,
            timeout: setTimeout(l, this.timeout),
            status: this.STATUS.OK,
            script: i
        };
        this.loading[k].message = a.Message.File(j);
        i.onerror = l;
        i.type = "text/javascript";
        i.src = k + this.fileRev(j);
        this.head.appendChild(i)
    }