(function () {
    /**
     * Block-Level Grammar
     */

    var block = {
        newline: /^\n+/,
        code: /^( {4}[^\n]+\n*)+/,
        fences: noop,
        hr: /^( *[-*_]){3,} *(?:\n+|$)/,
        heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
        nptable: noop,
        lheading: /^([^\n]+)\n *(=|-){3,} *\n*/,
        blockquote: /^( *>[^\n]+(\n[^\n]+)*\n*)+/,
        list: /^( *)(bull) [\s\S]+?(?:hr|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
        html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
        def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
        table: noop,
        paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
        text: /^[^\n]+/,
    };

    block.bullet = /(?:[*+-]|\d+\.)/;
    block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
    block.item = replace(block.item, "gm")(/bull/g, block.bullet)();

    block.list = replace(block.list)(/bull/g, block.bullet)("hr", /\n+(?=(?: *[-*_]){3,} *(?:\n+|$))/)();

    block._tag =
        "(?!(?:" +
        "a|em|strong|small|s|cite|q|dfn|abbr|data|time|code" +
        "|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo" +
        "|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|@)\\b";

    block.html = replace(block.html)("comment", /<!--[\s\S]*?-->/)("closed", /<(tag)[\s\S]+?<\/\1>/)(
        "closing",
        /<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/
    )(/tag/g, block._tag)();

    block.paragraph = replace(block.paragraph)("hr", block.hr)("heading", block.heading)("lheading", block.lheading)(
        "blockquote",
        block.blockquote
    )("tag", "<" + block._tag)("def", block.def)();

    /**
     * Normal Block Grammar
     */

    block.normal = merge({}, block);

    /**
     * GFM Block Grammar
     */

    block.gfm = merge({}, block.normal, {
        fences: /^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n+|$)/,
        paragraph: /^/,
    });

    block.gfm.paragraph = replace(block.paragraph)(
        "(?!",
        "(?!" + block.gfm.fences.source.replace("\\1", "\\2") + "|"
    )();

    /**
     * GFM + Tables Block Grammar
     */

    block.tables = merge({}, block.gfm, {
        nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
        table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/,
    });

    /**
     * Block Lexer
     */

    function Lexer(options) {
        this.tokens = [];
        this.tokens.links = {};
        this.options = options || marked.defaults;
        this.rules = block.normal;

        if (this.options.gfm) {
            if (this.options.tables) {
                this.rules = block.tables;
            } else {
                this.rules = block.gfm;
            }
        }
    }

    /**
     * Expose Block Rules
     */

    Lexer.rules = block;

    /**
     * Static Lex Method
     */

    Lexer.lex = function (src, options) {
        var lexer = new Lexer(options);
        return lexer.lex(src);
    };

    /**
     * Preprocessing
     */

    Lexer.prototype.lex = function (src) {
        src = src
            .replace(/\r\n|\r/g, "\n")
            .replace(/\t/g, "    ")
            .replace(/\u00a0/g, " ")
            .replace(/\u2424/g, "\n");

        return this.token(src, true);
    };

    /**
     * Lexing
     */

    Lexer.prototype.token = function (src, top) {
        var src = src.replace(/^ +$/gm, ""),
            next,
            loose,
            cap,
            bull,
            b,
            item,
            space,
            i,
            l;

        while (src) {
            // newline
            if ((cap = this.rules.newline.exec(src))) {
                src = src.substring(cap[0].length);
                if (cap[0].length > 1) {
                    this.tokens.push({
                        type: "space",
                    });
                }
            }

            // code
            if ((cap = this.rules.code.exec(src))) {
                src = src.substring(cap[0].length);
                cap = cap[0].replace(/^ {4}/gm, "");
                this.tokens.push({
                    type: "code",
                    text: !this.options.pedantic ? cap.replace(/\n+$/, "") : cap,
                });
                continue;
            }

            // fences (gfm)
            if ((cap = this.rules.fences.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "code",
                    lang: cap[2],
                    text: cap[3],
                });
                continue;
            }

            // heading
            if ((cap = this.rules.heading.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "heading",
                    depth: cap[1].length,
                    text: cap[2],
                });
                continue;
            }

            // table no leading pipe (gfm)
            if (top && (cap = this.rules.nptable.exec(src))) {
                src = src.substring(cap[0].length);

                item = {
                    type: "table",
                    header: cap[1].replace(/^ *| *\| *$/g, "").split(/ *\| */),
                    align: cap[2].replace(/^ *|\| *$/g, "").split(/ *\| */),
                    cells: cap[3].replace(/\n$/, "").split("\n"),
                };

                for (i = 0; i < item.align.length; i++) {
                    if (/^ *-+: *$/.test(item.align[i])) {
                        item.align[i] = "right";
                    } else if (/^ *:-+: *$/.test(item.align[i])) {
                        item.align[i] = "center";
                    } else if (/^ *:-+ *$/.test(item.align[i])) {
                        item.align[i] = "left";
                    } else {
                        item.align[i] = null;
                    }
                }

                for (i = 0; i < item.cells.length; i++) {
                    item.cells[i] = item.cells[i].split(/ *\| */);
                }

                this.tokens.push(item);

                continue;
            }

            // lheading
            if ((cap = this.rules.lheading.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "heading",
                    depth: cap[2] === "=" ? 1 : 2,
                    text: cap[1],
                });
                continue;
            }

            // hr
            if ((cap = this.rules.hr.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "hr",
                });
                continue;
            }

            // blockquote
            if ((cap = this.rules.blockquote.exec(src))) {
                src = src.substring(cap[0].length);

                this.tokens.push({
                    type: "blockquote_start",
                });

                cap = cap[0].replace(/^ *> ?/gm, "");

                // Pass `top` to keep the current
                // "toplevel" state. This is exactly
                // how markdown.pl works.
                this.token(cap, top);

                this.tokens.push({
                    type: "blockquote_end",
                });

                continue;
            }

            // list
            if ((cap = this.rules.list.exec(src))) {
                src = src.substring(cap[0].length);
                bull = cap[2];

                this.tokens.push({
                    type: "list_start",
                    ordered: bull.length > 1,
                });

                // Get each top-level item.
                cap = cap[0].match(this.rules.item);

                next = false;
                l = cap.length;
                i = 0;

                for (; i < l; i++) {
                    item = cap[i];

                    // Remove the list item's bullet
                    // so it is seen as the next token.
                    space = item.length;
                    item = item.replace(/^ *([*+-]|\d+\.) +/, "");

                    // Outdent whatever the
                    // list item contains. Hacky.
                    if (~item.indexOf("\n ")) {
                        space -= item.length;
                        item = !this.options.pedantic
                            ? item.replace(new RegExp("^ {1," + space + "}", "gm"), "")
                            : item.replace(/^ {1,4}/gm, "");
                    }

                    // Determine whether the next list item belongs here.
                    // Backpedal if it does not belong in this list.
                    if (this.options.smartLists && i !== l - 1) {
                        b = block.bullet.exec(cap[i + 1])[0];
                        if (bull !== b && !(bull.length > 1 && b.length > 1)) {
                            src = cap.slice(i + 1).join("\n") + src;
                            i = l - 1;
                        }
                    }

                    // Determine whether item is loose or not.
                    // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
                    // for discount behavior.
                    loose = next || /\n\n(?!\s*$)/.test(item);
                    if (i !== l - 1) {
                        next = item[item.length - 1] === "\n";
                        if (!loose) loose = next;
                    }

                    this.tokens.push({
                        type: loose ? "loose_item_start" : "list_item_start",
                    });

                    // Recurse.
                    this.token(item, false);

                    this.tokens.push({
                        type: "list_item_end",
                    });
                }

                this.tokens.push({
                    type: "list_end",
                });

                continue;
            }

            // html
            if ((cap = this.rules.html.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: this.options.sanitize ? "paragraph" : "html",
                    pre: cap[1] === "pre" || cap[1] === "script",
                    text: cap[0],
                });
                continue;
            }

            // def
            if (top && (cap = this.rules.def.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.links[cap[1].toLowerCase()] = {
                    href: cap[2],
                    title: cap[3],
                };
                continue;
            }

            // table (gfm)
            if (top && (cap = this.rules.table.exec(src))) {
                src = src.substring(cap[0].length);

                item = {
                    type: "table",
                    header: cap[1].replace(/^ *| *\| *$/g, "").split(/ *\| */),
                    align: cap[2].replace(/^ *|\| *$/g, "").split(/ *\| */),
                    cells: cap[3].replace(/(?: *\| *)?\n$/, "").split("\n"),
                };

                for (i = 0; i < item.align.length; i++) {
                    if (/^ *-+: *$/.test(item.align[i])) {
                        item.align[i] = "right";
                    } else if (/^ *:-+: *$/.test(item.align[i])) {
                        item.align[i] = "center";
                    } else if (/^ *:-+ *$/.test(item.align[i])) {
                        item.align[i] = "left";
                    } else {
                        item.align[i] = null;
                    }
                }

                for (i = 0; i < item.cells.length; i++) {
                    item.cells[i] = item.cells[i].replace(/^ *\| *| *\| *$/g, "").split(/ *\| */);
                }

                this.tokens.push(item);

                continue;
            }

            // top-level paragraph
            if (top && (cap = this.rules.paragraph.exec(src))) {
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "paragraph",
                    text: cap[1][cap[1].length - 1] === "\n" ? cap[1].slice(0, -1) : cap[1],
                });
                continue;
            }

            // text
            if ((cap = this.rules.text.exec(src))) {
                // Top-level should never reach here.
                src = src.substring(cap[0].length);
                this.tokens.push({
                    type: "text",
                    text: cap[0],
                });
                continue;
            }

            if (src) {
                throw new Error("Infinite loop on byte: " + src.charCodeAt(0));
            }
        }

        return this.tokens;
    };

    /**
     * Inline-Level Grammar
     */

    var inline = {
        escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
        autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
        url: noop,
        tag: /^<!--[\s\S]*?-->|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
        link: /^!?\[(inside)\]\(href\)/,
        reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
        nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
        strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
        em: /^\b_((?:__|[\s\S])+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
        code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
        br: /^ {2,}\n(?!\s*$)/,
        del: noop,
        text: /^[\s\S]+?(?=[\\<!\[_*`]| {2,}\n|$)/,
    };

    inline._inside = /(?:\[[^\]]*\]|[^\]]|\](?=[^\[]*\]))*/;
    inline._href = /\s*<?(.*?)>?(?:\s+['"]([\s\S]*?)['"])?\s*/;

    inline.link = replace(inline.link)("inside", inline._inside)("href", inline._href)();

    inline.reflink = replace(inline.reflink)("inside", inline._inside)();

    /**
     * Normal Inline Grammar
     */

    inline.normal = merge({}, inline);

    /**
     * Pedantic Inline Grammar
     */

    inline.pedantic = merge({}, inline.normal, {
        strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
        em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
    });

    /**
     * GFM Inline Grammar
     */

    inline.gfm = merge({}, inline.normal, {
        escape: replace(inline.escape)("])", "~|])")(),
        url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
        del: /^~~(?=\S)([\s\S]*?\S)~~/,
        text: replace(inline.text)("]|", "~]|")("|", "|https?://|")(),
    });

    /**
     * GFM + Line Breaks Inline Grammar
     */

    inline.breaks = merge({}, inline.gfm, {
        br: replace(inline.br)("{2,}", "*")(),
        text: replace(inline.gfm.text)("{2,}", "*")(),
    });

    /**
     * Inline Lexer & Compiler
     */

    function InlineLexer(links, options) {
        this.options = options || marked.defaults;
        this.links = links;
        this.rules = inline.normal;

        if (!this.links) {
            throw new Error("Tokens array requires a `links` property.");
        }

        if (this.options.gfm) {
            if (this.options.breaks) {
                this.rules = inline.breaks;
            } else {
                this.rules = inline.gfm;
            }
        } else if (this.options.pedantic) {
            this.rules = inline.pedantic;
        }
    }

    /**
     * Expose Inline Rules
     */

    InlineLexer.rules = inline;

    /**
     * Static Lexing/Compiling Method
     */

    InlineLexer.output = function (src, links, options) {
        var inline = new InlineLexer(links, options);
        return inline.output(src);
    };

    /**
     * Lexing/Compiling
     */

    InlineLexer.prototype.output = function (src) {
        var out = "",
            link,
            text,
            href,
            cap;

        while (src) {
            // escape
            if ((cap = this.rules.escape.exec(src))) {
                src = src.substring(cap[0].length);
                out += cap[1];
                continue;
            }

            // autolink
            if ((cap = this.rules.autolink.exec(src))) {
                src = src.substring(cap[0].length);
                if (cap[2] === "@") {
                    text = cap[1][6] === ":" ? this.mangle(cap[1].substring(7)) : this.mangle(cap[1]);
                    href = this.mangle("mailto:") + text;
                } else {
                    text = escape(cap[1]);
                    href = text;
                }
                out += '<a href="' + href + '">' + text + "</a>";
                continue;
            }

            // url (gfm)
            if ((cap = this.rules.url.exec(src))) {
                src = src.substring(cap[0].length);
                text = escape(cap[1]);
                href = text;
                out += '<a href="' + href + '">' + text + "</a>";
                continue;
            }

            // tag
            if ((cap = this.rules.tag.exec(src))) {
                src = src.substring(cap[0].length);
                out += this.options.sanitize ? escape(cap[0]) : cap[0];
                continue;
            }

            // link
            if ((cap = this.rules.link.exec(src))) {
                src = src.substring(cap[0].length);
                out += this.outputLink(cap, {
                    href: cap[2],
                    title: cap[3],
                });
                continue;
            }

            // reflink, nolink
            if ((cap = this.rules.reflink.exec(src)) || (cap = this.rules.nolink.exec(src))) {
                src = src.substring(cap[0].length);
                link = (cap[2] || cap[1]).replace(/\s+/g, " ");
                link = this.links[link.toLowerCase()];
                if (!link || !link.href) {
                    out += cap[0][0];
                    src = cap[0].substring(1) + src;
                    continue;
                }
                out += this.outputLink(cap, link);
                continue;
            }

            // strong
            if ((cap = this.rules.strong.exec(src))) {
                src = src.substring(cap[0].length);
                out += "<strong>" + this.output(cap[2] || cap[1]) + "</strong>";
                continue;
            }

            // em
            if ((cap = this.rules.em.exec(src))) {
                src = src.substring(cap[0].length);
                out += "<em>" + this.output(cap[2] || cap[1]) + "</em>";
                continue;
            }

            // code
            if ((cap = this.rules.code.exec(src))) {
                src = src.substring(cap[0].length);
                out += "<code>" + escape(cap[2], true) + "</code>";
                continue;
            }

            // br
            if ((cap = this.rules.br.exec(src))) {
                src = src.substring(cap[0].length);
                out += "<br>";
                continue;
            }

            // del (gfm)
            if ((cap = this.rules.del.exec(src))) {
                src = src.substring(cap[0].length);
                out += "<del>" + this.output(cap[1]) + "</del>";
                continue;
            }

            // text
            if ((cap = this.rules.text.exec(src))) {
                src = src.substring(cap[0].length);
                out += escape(cap[0]);
                continue;
            }

            if (src) {
                throw new Error("Infinite loop on byte: " + src.charCodeAt(0));
            }
        }

        return out;
    };

    /**
     * Compile Link
     */

    InlineLexer.prototype.outputLink = function (cap, link) {
        if (cap[0][0] !== "!") {
            return (
                '<a href="' +
                escape(link.href) +
                '"' +
                (link.title ? ' title="' + escape(link.title) + '"' : "") +
                ">" +
                this.output(cap[1]) +
                "</a>"
            );
        } else {
            return (
                '<img src="' +
                escape(link.href) +
                '" alt="' +
                escape(cap[1]) +
                '"' +
                (link.title ? ' title="' + escape(link.title) + '"' : "") +
                ">"
            );
        }
    };

    /**
     * Smartypants Transformations
     */

    InlineLexer.prototype.smartypants = function (text) {
        if (!this.options.smartypants) return text;
        return text
            .replace(/--/g, "—")
            .replace(/'([^']*)'/g, "‘$1’")
            .replace(/"([^"]*)"/g, "“$1”")
            .replace(/\.{3}/g, "…");
    };

    /**
     * Mangle Links
     */

    InlineLexer.prototype.mangle = function (text) {
        var out = "",
            l = text.length,
            i = 0,
            ch;

        for (; i < l; i++) {
            ch = text.charCodeAt(i);
            if (Math.random() > 0.5) {
                ch = "x" + ch.toString(16);
            }
            out += "&#" + ch + ";";
        }

        return out;
    };

    /**
     * Parsing & Compiling
     */

    function Parser(options) {
        this.tokens = [];
        this.token = null;
        this.options = options || marked.defaults;
    }

    /**
     * Static Parse Method
     */

    Parser.parse = function (src, options) {
        var parser = new Parser(options);
        return parser.parse(src);
    };

    /**
     * Parse Loop
     */

    Parser.prototype.parse = function (src) {
        this.inline = new InlineLexer(src.links, this.options);
        this.tokens = src.reverse();

        var out = "";
        while (this.next()) {
            out += this.tok();
        }

        return out;
    };

    /**
     * Next Token
     */

    Parser.prototype.next = function () {
        return (this.token = this.tokens.pop());
    };

    /**
     * Preview Next Token
     */

    Parser.prototype.peek = function () {
        return this.tokens[this.tokens.length - 1] || 0;
    };

    /**
     * Parse Text Tokens
     */

    Parser.prototype.parseText = function () {
        var body = this.token.text;

        while (this.peek().type === "text") {
            body += "\n" + this.next().text;
        }

        return this.inline.output(body);
    };

    /**
     * Parse Current Token
     */

    Parser.prototype.tok = function () {
        switch (this.token.type) {
            case "space": {
                return "";
            }
            case "hr": {
                return "<hr>\n";
            }
            case "heading": {
                return (
                    "<h" +
                    this.token.depth +
                    ">" +
                    this.inline.output(this.token.text) +
                    "</h" +
                    this.token.depth +
                    ">\n"
                );
            }
            case "code": {
                if (this.options.highlight) {
                    var code = this.options.highlight(this.token.text, this.token.lang);
                    if (code != null && code !== this.token.text) {
                        this.token.escaped = true;
                        this.token.text = code;
                    }
                }

                if (!this.token.escaped) {
                    this.token.text = escape(this.token.text, true);
                }

                return (
                    "<pre><code" +
                    (this.token.lang ? ' class="' + this.options.langPrefix + this.token.lang + '"' : "") +
                    ">" +
                    this.token.text +
                    "</code></pre>\n"
                );
            }
            case "table": {
                var body = "",
                    heading,
                    i,
                    row,
                    cell,
                    j;

                // header
                body += "<thead>\n<tr>\n";
                for (i = 0; i < this.token.header.length; i++) {
                    heading = this.inline.output(this.token.header[i]);
                    body += this.token.align[i]
                        ? '<th align="' + this.token.align[i] + '">' + heading + "</th>\n"
                        : "<th>" + heading + "</th>\n";
                }
                body += "</tr>\n</thead>\n";

                // body
                body += "<tbody>\n";
                for (i = 0; i < this.token.cells.length; i++) {
                    row = this.token.cells[i];
                    body += "<tr>\n";
                    for (j = 0; j < row.length; j++) {
                        cell = this.inline.output(row[j]);
                        body += this.token.align[j]
                            ? '<td align="' + this.token.align[j] + '">' + cell + "</td>\n"
                            : "<td>" + cell + "</td>\n";
                    }
                    body += "</tr>\n";
                }
                body += "</tbody>\n";

                return "<table>\n" + body + "</table>\n";
            }
            case "blockquote_start": {
                var body = "";

                while (this.next().type !== "blockquote_end") {
                    body += this.tok();
                }

                return "<blockquote>\n" + body + "</blockquote>\n";
            }
            case "list_start": {
                var type = this.token.ordered ? "ol" : "ul",
                    body = "";

                while (this.next().type !== "list_end") {
                    body += this.tok();
                }

                return "<" + type + ">\n" + body + "</" + type + ">\n";
            }
            case "list_item_start": {
                var body = "";

                while (this.next().type !== "list_item_end") {
                    body += this.token.type === "text" ? this.parseText() : this.tok();
                }

                return "<li>" + body + "</li>\n";
            }
            case "loose_item_start": {
                var body = "";

                while (this.next().type !== "list_item_end") {
                    body += this.tok();
                }

                return "<li>" + body + "</li>\n";
            }
            case "html": {
                return !this.token.pre && !this.options.pedantic
                    ? this.inline.output(this.token.text)
                    : this.token.text;
            }
            case "paragraph": {
                return "<p>" + this.inline.output(this.token.text) + "</p>\n";
            }
            case "text": {
                return "<p>" + this.parseText() + "</p>\n";
            }
        }
    };

    /**
     * Helpers
     */

    function escape(html, encode) {
        return html
            .replace(!encode ? /&(?!#?\w+;)/g : /&/g, "&amp;")
            .replace(/</g, "&lt;")
            .replace(/>/g, "&gt;")
            .replace(/"/g, "&quot;")
            .replace(/'/g, "&#39;");
    }

    function replace(regex, opt) {
        regex = regex.source;
        opt = opt || "";
        return function self(name, val) {
            if (!name) return new RegExp(regex, opt);
            val = val.source || val;
            val = val.replace(/(^|[^\[])\^/g, "$1");
            regex = regex.replace(name, val);
            return self;
        };
    }

    function noop() {}
    noop.exec = noop;

    function merge(obj) {
        var i = 1,
            target,
            key;

        for (; i < arguments.length; i++) {
            target = arguments[i];
            for (key in target) {
                if (Object.prototype.hasOwnProperty.call(target, key)) {
                    obj[key] = target[key];
                }
            }
        }

        return obj;
    }

    /**
     * Marked
     */

    function marked(src, opt, callback) {
        if (callback || typeof opt === "function") {
            if (!callback) {
                callback = opt;
                opt = null;
            }

            if (opt) opt = merge({}, marked.defaults, opt);

            var tokens = Lexer.lex(tokens, opt),
                highlight = opt.highlight,
                pending = 0,
                l = tokens.length,
                i = 0;

            if (!highlight || highlight.length < 3) {
                return callback(null, Parser.parse(tokens, opt));
            }

            var done = function () {
                delete opt.highlight;
                var out = Parser.parse(tokens, opt);
                opt.highlight = highlight;
                return callback(null, out);
            };

            for (; i < l; i++) {
                (function (token) {
                    if (token.type !== "code") return;
                    pending++;
                    return highlight(token.text, token.lang, function (err, code) {
                        if (code == null || code === token.text) {
                            return --pending || done();
                        }
                        token.text = code;
                        token.escaped = true;
                        --pending || done();
                    });
                })(tokens[i]);
            }

            return;
        }
        try {
            if (opt) opt = merge({}, marked.defaults, opt);
            return Parser.parse(Lexer.lex(src, opt), opt);
        } catch (e) {
            e.message += "\nPlease report this to https://github.com/chjj/marked.";
            if ((opt || marked.defaults).silent) {
                return "<p>An error occured:</p><pre>" + escape(e.message + "", true) + "</pre>";
            }
            throw e;
        }
    }

    /**
     * Options
     */

    marked.options = marked.setOptions = function (opt) {
        merge(marked.defaults, opt);
        return marked;
    };

    marked.defaults = {
        gfm: true,
        tables: true,
        breaks: false,
        pedantic: false,
        sanitize: false,
        smartLists: false,
        silent: false,
        highlight: null,
        langPrefix: "lang-",
    };

    /**
     * Expose
     */

    marked.Parser = Parser;
    marked.parser = Parser.parse;

    marked.Lexer = Lexer;
    marked.lexer = Lexer.lex;

    marked.InlineLexer = InlineLexer;
    marked.inlineLexer = InlineLexer.output;

    marked.parse = marked;

    if (typeof exports === "object") {
        module.exports = marked;
    } else if (typeof define === "function" && define.amd) {
        define(function () {
            return marked;
        });
    } else {
        this.marked = marked;
    }
}).call(
    (function () {
        return this || (typeof window !== "undefined" ? window : global);
    })()
);

(function ($) {
    "use strict";

    // hide the whole page so we dont see the DOM flickering
    // will be shown upon page load complete or error
    $("html").addClass("md-hidden-load");

    // register our $.md object
    $.md = function (method) {
        if ($.md.publicMethods[method]) {
            return $.md.publicMethods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else {
            $.error("Method " + method + " does not exist on jquery.md");
        }
    };
    // default config
    $.md.config = {
        title: null,
        useSideMenu: true,
        lineBreaks: "gfm",
        additionalFooterText: "",
        anchorCharacter: "&para;",
        tocAnchor: "[ &uarr; ]",
    };

    $.md.gimmicks = [];
    $.md.stages = [];

    // the location of the main markdown file we display
    $.md.mainHref = "";

    // the in-page anchor that is specified after the !
    $.md.inPageAnchor = "";

    $.md.loglevel = {
        TRACE: 10,
        DEBUG: 20,
        INFO: 30,
        WARN: 40,
        ERROR: 50,
        FATAL: 60,
    };
    // $.md.logThreshold = $.md.loglevel.DEBUG;
    $.md.logThreshold = $.md.loglevel.WARN;
})(jQuery);

(function ($) {
    "use strict";
    $.md.getLogger = function () {
        var loglevel = $.md.loglevel;

        var log = function (logtarget) {
            var self = this;
            var level = loglevel[logtarget];
            return function (msg) {
                if ($.md.logThreshold <= level) {
                    console.log("[" + logtarget + "] " + msg);
                }
            };
        };

        var logger = {};
        logger.trace = log("TRACE");
        logger.debug = log("DEBUG");
        logger.info = log("INFO");
        logger.warn = log("WARN");
        logger.error = log("ERROR");
        logger.fatal = log("FATAL");

        return logger;
    };
})(jQuery);

(function ($) {
    "use strict";
    var log = $.md.getLogger();

    $.Stage = function (name) {
        var self = $.extend($.Deferred(), {});
        self.name = name;
        self.events = [];
        self.started = false;

        self.reset = function () {
            self.complete = $.Deferred();
            self.outstanding = [];
        };

        self.reset();

        self.subscribe = function (fn) {
            if (self.started) {
                $.error("Subscribing to stage which already started!");
            }
            self.events.push(fn);
        };
        self.unsubscribe = function (fn) {
            self.events.remove(fn);
        };

        self.executeSubscribedFn = function (fn) {
            var d = $.Deferred();
            self.outstanding.push(d);

            // display an error if our done() callback is not called
            $.md.util.wait(2500).done(function () {
                if (d.state() !== "resolved") {
                    log.fatal(
                        "Timeout reached for done callback in stage: " +
                            self.name +
                            ". Did you forget a done() call in a .subscribe() ?"
                    );
                    log.fatal("stage " + name + " failed running subscribed function: " + fn);
                }
            });

            var done = function () {
                d.resolve();
            };
            fn(done);
        };

        self.run = function () {
            self.started = true;
            $(self.events).each(function (i, fn) {
                self.executeSubscribedFn(fn);
            });

            // if no events are in our queue, we resolve immediately
            if (self.outstanding.length === 0) {
                self.resolve();
            }

            // we resolve when all our registered events have completed
            $.when
                .apply($, self.outstanding)
                .done(function () {
                    self.resolve();
                })
                .fail(function () {
                    self.resolve();
                });
        };

        self.done(function () {
            log.debug("stage " + self.name + " completed successfully.");
        });
        self.fail(function () {
            log.debug("stage " + self.name + " completed with errors!");
        });
        return self;
    };
})(jQuery);

(function ($) {
    "use strict";

    var log = $.md.getLogger();

    function init() {
        $.md.stages = [
            $.Stage("init"),

            // loads config, initial markdown and navigation
            $.Stage("load"),

            // will transform the markdown to html
            $.Stage("transform"),

            // HTML transformation finished
            $.Stage("ready"),

            // after we have a polished html skeleton
            $.Stage("skel_ready"),

            // will bootstrapify the skeleton
            $.Stage("bootstrap"),

            // before we run any gimmicks
            $.Stage("pregimmick"),

            // after we have bootstrapified the skeleton
            $.Stage("gimmick"),

            // postprocess
            $.Stage("postgimmick"),

            $.Stage("all_ready"),

            // used for integration tests, not intended to use in MDwiki itself
            $.Stage("final_tests"),
        ];

        $.md.stage = function (name) {
            var m = $.grep($.md.stages, function (e, i) {
                return e.name === name;
            });
            if (m.length === 0) {
                $.error("A stage by name " + name + "  does not exist");
            } else {
                return m[0];
            }
        };
    }
    init();

    function resetStages() {
        var old_stages = $.md.stages;
        $.md.stages = [];
        $(old_stages).each(function (i, e) {
            $.md.stages.push($.Stage(e.name));
        });
    }

    var publicMethods = {};
    $.md.publicMethods = $.extend({}, $.md.publicMethods, publicMethods);

    function transformMarkdown(markdown) {
        var options = {
            gfm: true,
            tables: true,
            breaks: true,
        };
        if ($.md.config.lineBreaks === "original") options.breaks = false;
        else if ($.md.config.lineBreaks === "gfm") options.breaks = true;

        marked.setOptions(options);

        // get sample markdown
        var uglyHtml = marked(markdown);
        return uglyHtml;
    }

    function registerFetchMarkdown() {
        var md = "";

        $.md.stage("init").subscribe(function (done) {
            var ajaxReq = {
                url: $.md.mainHref,
                dataType: "text",
            };

            // Request the md page
            $.ajax(ajaxReq)
                .done(function (data) {
                    md = data;
                    done();
                })

                // Failed to find the md page we were looking for
                .fail(function () {
                    // Warn that this page wasn't found
                    var log = $.md.getLogger();
                    log.warn("Could not get " + $.md.mainHref);

                    // Attempt to gracefully recover by displaying a user defined 404 page
                    ajaxReq.url = "404.md";
                    $.ajax(ajaxReq)
                        .done(function (data) {
                            md = data;
                            done();
                        })

                        // The user has not defined a 404.md.
                        .fail(function (data) {
                            log.fatal("Could not get a user defined 404.md");

                            // Our last attempt to provide a good user expierence by proving a hard coded
                            // 'page not found' text.
                            md = "# Page Not Found";

                            done();
                        });
                });
        });

        // find baseUrl
        $.md.stage("transform").subscribe(function (done) {
            var len = $.md.mainHref.lastIndexOf("/");
            var baseUrl = $.md.mainHref.substring(0, len + 1);
            $.md.baseUrl = baseUrl;
            done();
        });

        $.md.stage("transform").subscribe(function (done) {
            var uglyHtml = transformMarkdown(md);
            $("#md-content").html(uglyHtml);
            md = "";
            var dfd = $.Deferred();
            loadExternalIncludes(dfd);
            dfd.always(function () {
                done();
            });
        });
    }

    // load [include](/foo/bar.md) external links
    function loadExternalIncludes(parent_dfd) {
        function findExternalIncludes() {
            return $("a").filter(function () {
                var href = $(this).attr("href");
                var text = $(this).toptext();
                var isMarkdown = $.md.util.hasMarkdownFileExtension(href);
                var isInclude = text === "include";
                var isPreview = text.startsWith("preview:");
                return (isInclude || isPreview) && isMarkdown;
            });
        }

        function selectPreviewElements($jqcol, num_elements) {
            function isTextNode(node) {
                return node.nodeType === 3;
            }
            var count = 0;
            var elements = [];
            $jqcol.each(function (i, e) {
                if (count < num_elements) {
                    elements.push(e);
                    if (!isTextNode(e)) count++;
                }
            });
            return $(elements);
        }

        var external_links = findExternalIncludes();
        // continue execution when all external resources are fully loaded
        var latch = $.md.util.countDownLatch(external_links.length);
        latch.always(function () {
            parent_dfd.resolve();
        });

        external_links.each(function (i, e) {
            var $el = $(e);
            var href = $el.attr("href");
            var text = $el.toptext();

            $.ajax({
                url: href,
                dataType: "text",
            })
                .done(function (data) {
                    var $html = $(transformMarkdown(data));
                    if (text.startsWith("preview:")) {
                        // only insert the selected number of paragraphs; default 3
                        var num_preview_elements = parseInt(text.substring(8), 10) || 3;
                        var $preview = selectPreviewElements($html, num_preview_elements);
                        $preview.last().append('<a href="' + href + '"> ...read more &#10140;</a>');
                        $preview.insertBefore($el.parent("p").eq(0));
                        $el.remove();
                    } else {
                        $html.insertAfter($el.parents("p"));
                        $el.remove();
                    }
                })
                .always(function () {
                    latch.countDown();
                });
        });
    }

    function isSpecialLink(href) {
        if (!href) return false;

        if (href.lastIndexOf("data:") >= 0) return true;

        if (href.startsWith("mailto:")) return true;

        if (href.startsWith("file:")) return true;

        if (href.startsWith("ftp:")) return true;

        // TODO capture more special links: every non-http link with : like
        // torrent:// etc.
    }

    // modify internal links so we load them through our engine
    function processPageLinks(domElement, baseUrl) {
        var html = $(domElement);
        if (baseUrl === undefined) {
            baseUrl = "";
        }
        // HACK against marked: empty links will have empy href attribute
        // we remove the href attribute from the a tag
        html.find("a")
            .not("#md-menu a")
            .filter(function () {
                var $this = $(this);
                var attr = $this.attr("href");
                if (!attr || attr.length === 0) $this.removeAttr("href");
            });

        html.find("a, img").each(function (i, e) {
            var link = $(e);
            // link must be jquery collection
            var isImage = false;
            var hrefAttribute = "href";

            if (!link.attr(hrefAttribute)) {
                isImage = true;
                hrefAttribute = "src";
            }
            var href = link.attr(hrefAttribute);

            if (href && href.lastIndexOf("#!") >= 0) return;

            if (isSpecialLink(href)) return;

            if (!isImage && href.startsWith("#") && !href.startsWith("#!")) {
                // in-page link
                link.click(function (ev) {
                    ev.preventDefault();
                    $.md.scrollToInPageAnchor(href);
                });
            }

            if (!$.md.util.isRelativeUrl(href)) return;

            if (isImage && !$.md.util.isRelativePath(href)) return;

            if (!isImage && $.md.util.isGimmickLink(link)) return;

            function build_link(url) {
                if ($.md.util.hasMarkdownFileExtension(url)) return "#!" + url;
                else return url;
            }

            var newHref = baseUrl + href;
            if (isImage) link.attr(hrefAttribute, newHref);
            else if ($.md.util.isRelativePath(href)) link.attr(hrefAttribute, build_link(newHref));
            else link.attr(hrefAttribute, build_link(href));
        });
    }

    var navMD = "";
    $.md.NavigationDfd = $.Deferred();
    var ajaxReq = {
        url: "navigation.md",
        dataType: "text",
    };
    $.ajax(ajaxReq)
        .done(function (data) {
            navMD = data;
            $.md.NavigationDfd.resolve();
        })
        .fail(function () {
            $.md.NavigationDfd.reject();
        });

    function registerBuildNavigation() {
        $.md.stage("init").subscribe(function (done) {
            $.md.NavigationDfd.done(function () {
                done();
            }).fail(function () {
                done();
            });
        });

        $.md.stage("transform").subscribe(function (done) {
            if (navMD === "") {
                var log = $.md.getLogger();
                log.info("no navgiation.md found, not using a navbar");
                done();
                return;
            }

            var navHtml = marked(navMD);
            // TODO why are <script> tags from navHtml APPENDED to the jqcol?
            var $h = $("<div>" + navHtml + "</div>");

            // insert <scripts> from navigation.md into the DOM
            $h.each(function (i, e) {
                if (e.tagName === "SCRIPT") {
                    $("script").first().before(e);
                }
            });

            // TODO .html() is evil!!!
            var $navContent = $h.eq(0);
            $navContent.find("p").each(function (i, e) {
                var $el = $(e);
                $el.replaceWith($el.html());
            });
            $("#md-menu").append($navContent.html());
            done();
        });

        $.md.stage("bootstrap").subscribe(function (done) {
            processPageLinks($("#md-menu"));
            done();
        });

        $.md.stage("postgimmick").subscribe(function (done) {
            var num_links = $("#md-menu a").length;
            var has_header = $("#md-menu .navbar-brand").eq(0).toptext().trim().length > 0;
            if (!has_header && num_links <= 1) $("#md-menu").hide();

            done();
        });
    }

    $.md.ConfigDfd = $.Deferred();
    $.ajax({ url: "config.json", dataType: "text" })
        .done(function (data) {
            try {
                var data_json = JSON.parse(data);
                $.md.config = $.extend($.md.config, data_json);
                log.info("Found a valid config.json file, using configuration");
            } catch (err) {
                log.error("config.json was not JSON parsable: " + err);
            }
            $.md.ConfigDfd.resolve();
        })
        .fail(function (err, textStatus) {
            log.error("unable to retrieve config.json: " + textStatus);
            $.md.ConfigDfd.reject();
        });
    function registerFetchConfig() {
        $.md.stage("init").subscribe(function (done) {
            // TODO 404 won't get cached, requesting it every reload is not good
            // maybe use cookies? or disable re-loading of the page
            //$.ajax('config.json').done(function(data){
            $.md.ConfigDfd.done(function () {
                done();
            }).fail(function () {
                var log = $.md.getLogger();
                log.info("No config.json found, using default settings");
                done();
            });
        });
    }

    function registerClearContent() {
        $.md.stage("init").subscribe(function (done) {
            $("#md-all").empty();
            var skel =
                '<div id="md-body"><div id="md-title"></div><div id="md-menu">' +
                '</div><div id="md-content"></div></div>';
            $("#md-all").prepend($(skel));
            done();
        });
    }
    function loadContent(href) {
        if (href.startsWith("/")) {
            // prevent cross-domain inclusions to prevent possible XSS
            href = "/./" + href;
        } else {
            href = "./" + href;
        }
        $.md.mainHref = href;

        registerFetchMarkdown();
        registerClearContent();

        // find out which link gimmicks we need
        $.md.stage("ready").subscribe(function (done) {
            $.md.initializeGimmicks();
            $.md.registerLinkGimmicks();
            done();
        });

        // wire up the load method of the modules
        $.each($.md.gimmicks, function (i, module) {
            if (module.load === undefined) {
                return;
            }
            $.md.stage("load").subscribe(function (done) {
                module.load();
                done();
            });
        });

        $.md.stage("ready").subscribe(function (done) {
            $.md("createBasicSkeleton");
            done();
        });

        $.md.stage("bootstrap").subscribe(function (done) {
            $.mdbootstrap("bootstrapify");
            processPageLinks($("#md-content"), $.md.baseUrl);
            done();
        });
        runStages();
    }

    function runStages() {
        // wire the stages up
        $.md.stage("init").done(function () {
            $.md.stage("load").run();
        });
        $.md.stage("load").done(function () {
            $.md.stage("transform").run();
        });
        $.md.stage("transform").done(function () {
            $.md.stage("ready").run();
        });
        $.md.stage("ready").done(function () {
            $.md.stage("skel_ready").run();
        });
        $.md.stage("skel_ready").done(function () {
            $.md.stage("bootstrap").run();
        });
        $.md.stage("bootstrap").done(function () {
            $.md.stage("pregimmick").run();
        });
        $.md.stage("pregimmick").done(function () {
            $.md.stage("gimmick").run();
        });
        $.md.stage("gimmick").done(function () {
            $.md.stage("postgimmick").run();
        });
        $.md.stage("postgimmick").done(function () {
            $.md.stage("all_ready").run();
        });
        $.md.stage("all_ready").done(function () {
            $("html").removeClass("md-hidden-load");

            // phantomjs hook when we are done
            if (typeof window.callPhantom === "function") {
                window.callPhantom({});
            }

            $.md.stage("final_tests").run();
        });
        $.md.stage("final_tests").done(function () {
            // reset the stages for next iteration
            resetStages();

            // required by dalekjs so we can wait the element to appear
            $("body").append('<span id="start-tests"></span>');
            $("#start-tests").hide();
        });

        // trigger the whole process by runing the init stage
        $.md.stage("init").run();
        return;
    }

    function extractHashData() {
        // first char is the # or #!
        var href;
        if (window.location.hash.startsWith("#!")) {
            href = window.location.hash.substring(2);
        } else {
            href = window.location.hash.substring(1);
        }
        href = decodeURIComponent(href);

        // extract possible in-page anchor
        var ex_pos = href.indexOf("#");
        if (ex_pos !== -1) {
            $.md.inPageAnchor = href.substring(ex_pos + 1);
            $.md.mainHref = href.substring(0, ex_pos);
        } else {
            $.md.mainHref = href;
        }
    }

    function appendDefaultFilenameToHash() {
        var newHashString = "";
        var currentHashString = window.location.hash || "";
        if (currentHashString === "" || currentHashString === "#" || currentHashString === "#!") {
            newHashString = "#!index.md";
        } else if (currentHashString.startsWith("#!") && currentHashString.endsWith("/")) {
            newHashString = currentHashString + "index.md";
        }
        if (newHashString) window.location.hash = newHashString;
    }

    $(document).ready(function () {
        // stage init stuff
        registerFetchConfig();
        registerBuildNavigation();
        extractHashData();

        appendDefaultFilenameToHash();

        $(window).bind("hashchange", function () {
            window.location.reload(false);
        });

        loadContent($.md.mainHref);
    });
})(jQuery);

(function ($) {
    var publicMethods = {
        isRelativeUrl: function (url) {
            if (url === undefined) {
                return false;
            }
            // if there is :// in it, its considered absolute
            // else its relative
            if (url.indexOf("://") === -1) {
                return true;
            } else {
                return false;
            }
        },
        isRelativePath: function (path) {
            if (path === undefined) return false;
            if (path.startsWith("/")) return false;
            return true;
        },
        isGimmickLink: function (domAnchor) {
            if (domAnchor.toptext().indexOf("gimmick:") !== -1) {
                return true;
            } else {
                return false;
            }
        },
        hasMarkdownFileExtension: function (str) {
            var markdownExtensions = [".md", ".markdown", ".mdown"];
            var result = false;
            var value = str.toLowerCase().split("#")[0];
            $(markdownExtensions).each(function (i, ext) {
                if (value.toLowerCase().endsWith(ext)) {
                    result = true;
                }
            });
            return result;
        },
        wait: function (time) {
            return $.Deferred(function (dfd) {
                setTimeout(dfd.resolve, time);
            });
        },
    };
    $.md.util = $.extend({}, $.md.util, publicMethods);

    if (typeof String.prototype.startsWith !== "function") {
        String.prototype.startsWith = function (str) {
            return this.slice(0, str.length) === str;
        };
    }
    if (typeof String.prototype.endsWith !== "function") {
        String.prototype.endsWith = function (str) {
            return this.slice(this.length - str.length, this.length) === str;
        };
    }

    $.fn.extend({
        toptext: function () {
            return this.clone().children().remove().end().text();
        },
    });

    // adds a :icontains selector to jQuery that is case insensitive
    $.expr[":"].icontains = $.expr.createPseudo(function (arg) {
        return function (elem) {
            return $(elem).toptext().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
        };
    });

    $.md.util.getInpageAnchorText = function (text) {
        var subhash = text.replace(/ /g, "_");
        // TODO remove more unwanted characters like ?/,- etc.
        return subhash;
    };
    $.md.util.getInpageAnchorHref = function (text, href) {
        href = href || $.md.mainHref;
        var subhash = $.md.util.getInpageAnchorText(text);
        return "#!" + href + "#" + subhash;
    };

    $.md.util.repeatUntil = function (interval, predicate, maxRepeats) {
        maxRepeats = maxRepeats || 10;
        var dfd = $.Deferred();
        function recursive_repeat(interval, predicate, maxRepeats) {
            if (maxRepeats === 0) {
                dfd.reject();
                return;
            }
            if (predicate()) {
                dfd.resolve();
                return;
            } else {
                $.md.util.wait(interval).always(function () {
                    recursive_repeat(interval, predicate, maxRepeats - 1);
                });
            }
        }
        recursive_repeat(interval, predicate, maxRepeats);
        return dfd;
    };

    // a count-down latch as in Java7.
    $.md.util.countDownLatch = function (capacity, min) {
        min = min || 0;
        var dfd = $.Deferred();
        if (capacity <= min) dfd.resolve();
        dfd.capacity = capacity;
        dfd.countDown = function () {
            dfd.capacity--;
            if (dfd.capacity <= min) dfd.resolve();
        };
        return dfd;
    };
})(jQuery);

(function ($) {
    "use strict";

    // PUBLIC API
    $.md.registerGimmick = function (module) {
        $.md.gimmicks.push(module);
        return;
    };

    // registers a script for a gimmick, that is later dynamically loaded
    // by the core.
    // src may be an URL or direct javascript sourcecode. When options.callback
    // is provided, the done() function is passed to the function and needs to
    // be called.
    $.md.registerScript = function (module, src, options) {
        var scriptinfo = new ScriptInfo({
            module: module,
            src: src,
            options: options,
        });
        registeredScripts.push(scriptinfo);
    };

    // same as registerScript but for css. Note that we do not provide a
    // callback when the load finishes
    $.md.registerCss = function (module, url, options) {
        var license = options.license,
            stage = options.stage || "skel_ready",
            callback = options.callback;

        checkLicense(license, module);
        var tag = '<link rel="stylesheet" href="' + url + '" type="text/css"></link>';
        $.md.stage(stage).subscribe(function (done) {
            $("head").append(tag);
            if (callback !== undefined) {
                callback(done);
            } else {
                done();
            }
        });
    };

    // turns hostname/path links into http://hostname/path links
    // we need to do this because if accessed by file:///, we need a different
    // transport scheme for external resources (like http://)
    $.md.prepareLink = function (link, options) {
        options = options || {};
        var ownProtocol = window.location.protocol;

        if (options.forceSSL) return "https://" + link;
        if (options.forceHTTP) return "http://" + link;

        if (ownProtocol === "file:") {
            return "http://" + link;
        }
        // default: use the same as origin resource
        return "//" + link;
    };

    // associate a link trigger for a gimmick. i.e. [gimmick:foo]() then
    // foo is the trigger and will invoke the corresponding gimmick
    $.md.linkGimmick = function (module, trigger, callback, stage) {
        if (stage === undefined) {
            stage = "gimmick";
        }
        var linktrigger = new LinkTrigger({
            trigger: trigger,
            module: module,
            stage: stage,
            callback: callback,
        });
        linkTriggers.push(linktrigger);
    };

    $.md.triggerIsActive = function (trigger) {
        if (activeLinkTriggers.indexOf(trigger) === -1) {
            return false;
        } else {
            return true;
        }
    };

    var initialized = false;
    // TODO combine main.js and modules.js closure
    $.md.initializeGimmicks = function () {
        findActiveLinkTrigger();
        runGimmicksOnce();
        loadRequiredScripts();
    };

    // END PUBLIC API

    var log = $.md.getLogger();

    // triggers that we actually found on the page
    // array of string
    var activeLinkTriggers = [];

    // array of ScriptInfo
    var registeredScripts = [];
    function ScriptInfo(initial) {
        this.module = undefined;
        this.options = {};

        // can ba an URL or javascript sourcecode
        this.src = "";

        $.extend(this, initial);
    }

    // array of linkTriggers
    var linkTriggers = [];
    function LinkTrigger(initial) {
        this.trigger = undefined;
        this.module = undefined;
        this.callback = undefined;

        $.extend(this, initial);
    }

    // jQuery does some magic when inserting inline scripts, so better
    // use vanilla JS. See:
    // http://stackoverflow.com/questions/610995/jquery-cant-append-script-element
    function insertInlineScript(src) {
        // scripts always need to go directly into the DOM
        var script = document.createElement("script");
        script.type = "text/javascript";
        script.text = src;
        document.body.appendChild(script);
    }

    // since we are GPL, we have to be cautious what other scripts we load
    // as delivering to the browser is considered delivering a derived work
    var licenses = [
        "MIT",
        "BSD",
        "GPL",
        "GPL2",
        "GPL3",
        "LGPL",
        "LGPL2",
        "APACHE2",
        "PUBLICDOMAIN",
        "EXCEPTION",
        "OTHER",
    ];
    function checkLicense(license, module) {
        if ($.inArray(license, licenses) === -1) {
            var availLicenses = JSON.stringify(licenses);
            log.warn("license " + license + " is not known.");
            log.warn("Known licenses:" + availLicenses);
        } else if (license === "OTHER") {
            log.warn(
                "WARNING: Module " +
                    module.name +
                    " uses a script" +
                    " with unknown license. This may be a GPL license violation if" +
                    " this website is publically available!"
            );
        }
    }

    // will actually schedule the script load into the DOM.
    function loadScript(scriptinfo) {
        var module = scriptinfo.module,
            src = scriptinfo.src,
            options = scriptinfo.options;

        var license = options.license || "OTHER",
            loadstage = options.loadstage || "skel_ready",
            finishstage = options.finishstage || "pregimmick",
            callback = options.callback;

        var loadDone = $.Deferred();

        checkLicense(license, module);
        // start script loading
        log.debug("subscribing " + module.name + " to start: " + loadstage + " end in: " + finishstage);
        $.md.stage(loadstage).subscribe(function (done) {
            if (src.startsWith("//") || src.startsWith("http")) {
                $.getScript(src, function () {
                    if (callback !== undefined) {
                        callback(done);
                    } else {
                        log.debug("module" + module.name + " script load done: " + src);
                        done();
                    }
                    loadDone.resolve();
                });
            } else {
                // inline script that we directly insert
                insertInlineScript(src);
                log.debug("module" + module.name + " script inject done");
                loadDone.resolve();
                done();
            }
        });
        // if loading is not yet finished in stage finishstage, wait
        // for the loading to complete
        $.md.stage(finishstage).subscribe(function (done) {
            loadDone.done(function () {
                done();
            });
        });
    }

    // finds out that kind of trigger words are acutally used on a given page
    // this is most likely a very small subset of all available gimmicks
    function findActiveLinkTrigger() {
        var $gimmicks = $("a:icontains(gimmick:)");
        $gimmicks.each(function (i, e) {
            var parts = getGimmickLinkParts($(e));
            if (activeLinkTriggers.indexOf(parts.trigger) === -1) {
                activeLinkTriggers.push(parts.trigger);
            }
        });
        log.debug("Scanning for required gimmick links: " + JSON.stringify(activeLinkTriggers));
    }

    function loadRequiredScripts() {
        // find each module responsible for the link trigger
        $.each(activeLinkTriggers, function (i, trigger) {
            var module = findModuleByTrigger(trigger);
            if (module === undefined) {
                log.error('Gimmick link: "' + trigger + '" found but no suitable gimmick loaded');
                return;
            }
            var scriptinfo = registeredScripts.filter(function (info) {
                return info.module.name === module.name;
            })[0];
            // register to load the script
            if (scriptinfo !== undefined) {
                loadScript(scriptinfo);
            }
        });
    }

    function findModuleByTrigger(trigger) {
        var ret;
        $.each(linkTriggers, function (i, e) {
            if (e.trigger === trigger) {
                ret = e.module;
            }
        });
        return ret;
    }

    function getGimmickLinkParts($link) {
        var link_text = $.trim($link.toptext());
        // returns linkTrigger, options, linkText
        if (link_text.match(/gimmick:/i) === null) {
            return null;
        }
        var href = $.trim($link.attr("href"));
        var r = new RegExp(/gimmick:\s*([^(\s]*)\s*(\(\s*{?(.*)\s*}?\s*\))*/i);
        var matches = r.exec(link_text);
        if (matches === null || matches[1] === undefined) {
            $.error("Error matching a gimmick: " + link_text);
            return null;
        }
        var trigger = matches[1].toLowerCase();
        var args = null;
        // getting the parameters
        if (matches[2] !== undefined) {
            // remove whitespaces
            var params = $.trim(matches[3].toString());
            // remove the closing } if present
            if (params.charAt(params.length - 1) === "}") {
                params = params.substring(0, params.length - 1);
            }
            // add surrounding braces and paranthese
            params = "({" + params + "})";
            // replace any single quotes by double quotes
            params = params.replace(/'/g, '"');
            // finally, try if the json object is valid
            try {
                /*jshint -W061 */
                args = eval(params);
            } catch (err) {
                log.error("error parsing argument of gimmick: " + link_text + "giving error: " + err);
            }
        }
        return { trigger: trigger, options: args, href: href };
    }

    function runGimmicksOnce() {
        // runs the once: callback for each gimmick within the init stage
        $.each($.md.gimmicks, function (i, module) {
            if (module.once === undefined) {
                return;
            }
            module.once();
        });
    }

    // activate all gimmicks on a page, that are contain the text gimmick:
    // TODO make private / merge closures
    $.md.registerLinkGimmicks = function () {
        var $gimmick_links = $("a:icontains(gimmick:)");
        $gimmick_links.each(function (i, e) {
            var $link = $(e);
            var gimmick_arguments = getGimmickLinkParts($link);

            $.each(linkTriggers, function (i, linktrigger) {
                if (gimmick_arguments.trigger === linktrigger.trigger) {
                    subscribeLinkTrigger($link, gimmick_arguments, linktrigger);
                }
            });
        });
    };

    function subscribeLinkTrigger($link, args, linktrigger) {
        log.debug("Subscribing gimmick " + linktrigger.module.name + " to stage: " + linktrigger.stage);

        $.md.stage(linktrigger.stage).subscribe(function (done) {
            args.options = args.options || {};

            // it is possible that broken modules or any other transformation removed the $link
            // from the dom in the meantime
            if (!jQuery.contains(document.documentElement, $link[0])) {
                log.error("LINK IS NOT IN THE DOM ANYMORE: ");
                console.log($link);
            }

            log.debug("Running gimmick " + linktrigger.module.name);
            linktrigger.callback($link, args.options, args.href, done);

            // if the gimmick didn't call done, we trigger it here
            done();
        });
    }
})(jQuery);

(function ($) {
    var publicMethods = {
        createBasicSkeleton: function () {
            setPageTitle();
            wrapParagraphText();
            linkImagesToSelf();
            groupImages();
            removeBreaks();
            addInpageAnchors();

            $.md.stage("all_ready").subscribe(function (done) {
                if ($.md.inPageAnchor !== "") {
                    $.md.util.wait(500).then(function () {
                        $.md.scrollToInPageAnchor($.md.inPageAnchor);
                    });
                }
                done();
            });
            return;
        },
    };
    $.md.publicMethods = $.extend({}, $.md.publicMethods, publicMethods);

    // set the page title to the browser document title, optionally picking
    // the first h1 element as title if no title is given
    function setPageTitle() {
        var $pageTitle;
        if ($.md.config.title) $("title").text($.md.config.title);

        $pageTitle = $("#md-content h1").eq(0);
        if ($.trim($pageTitle.toptext()).length > 0) {
            $("#md-title").prepend($pageTitle);
            var title = $pageTitle.toptext();
            // document.title = title;
        } else {
            $("#md-title").remove();
        }
    }
    function wrapParagraphText() {
        // TODO is this true for marked.js?

        // markdown gives us sometime paragraph that contain child tags (like img),
        // but the containing text is not wrapped. Make sure to wrap the text in the
        // paragraph into a <div>

        // this also moves ANY child tags to the front of the paragraph!
        $("#md-content p").each(function () {
            var $p = $(this);
            // nothing to do for paragraphs without text
            if ($.trim($p.text()).length === 0) {
                // make sure no whitespace are in the p and then exit
                //$p.text ('');
                return;
            }
            // children elements of the p
            var children = $p.contents().filter(function () {
                var $child = $(this);
                // we extract images and hyperlinks with images out of the paragraph
                if (this.tagName === "A" && $child.find("img").length > 0) {
                    return true;
                }
                if (this.tagName === "IMG") {
                    return true;
                }
                // else
                return false;
            });
            var floatClass = getFloatClass($p);
            $p.wrapInner('<div class="md-text" />');

            // if there are no children, we are done
            if (children.length === 0) {
                return;
            }
            // move the children out of the wrapped div into the original p
            children.prependTo($p);

            // at this point, we now have a paragraph that holds text AND images
            // we mark that paragraph to be a floating environment
            // TODO determine floatenv left/right
            $p.addClass("md-floatenv").addClass(floatClass);
        });
    }
    function removeBreaks() {
        // since we use non-markdown-standard line wrapping, we get lots of
        // <br> elements we don't want.

        // remove a leading <br> from floatclasses, that happen to
        // get insertet after an image
        $(".md-floatenv")
            .find(".md-text")
            .each(function () {
                var $first = $(this).find("*").eq(0);
                if ($first.is("br")) {
                    $first.remove();
                }
            });

        // remove any breaks from image groups
        $(".md-image-group").find("br").remove();
    }
    function getFloatClass(par) {
        var $p = $(par);
        var floatClass = "";

        // reduce content of the paragraph to images
        var nonTextContents = $p.contents().filter(function () {
            if (this.tagName === "IMG" || this.tagName === "IFRAME") {
                return true;
            } else if (this.tagName === "A") {
                return $(this).find("img").length > 0;
            } else {
                return $.trim($(this).text()).length > 0;
            }
        });
        // check the first element - if its an image or a link with image, we go left
        var elem = nonTextContents[0];
        if (elem !== undefined && elem !== null) {
            if (elem.tagName === "IMG" || elem.tagName === "IFRAME") {
                floatClass = "md-float-left";
            } else if (elem.tagName === "A" && $(elem).find("img").length > 0) {
                floatClass = "md-float-left";
            } else {
                floatClass = "md-float-right";
            }
        }
        return floatClass;
    }
    // images are put in the same image group as long as there is
    // not separating paragraph between them
    function groupImages() {
        var par = $("p img").parents("p");
        // add an .md-image-group class to the p
        par.addClass("md-image-group");
    }

    // takes a standard <img> tag and adds a hyperlink to the image source
    // needed since we scale down images via css and want them to be accessible
    // in original format
    function linkImagesToSelf() {
        function selectNonLinkedImages() {
            // only select images that do not have a non-empty parent link
            $images = $("img").filter(function (index) {
                var $parent_link = $(this).parents("a").eq(0);
                if ($parent_link.length === 0) return true;
                var attr = $parent_link.attr("href");
                return attr && attr.length === 0;
            });
            return $images;
        }
        var $images = selectNonLinkedImages();
        return $images.each(function () {
            var $this = $(this);
            var img_src = $this.attr("src");
            var img_title = $this.attr("title");
            if (img_title === undefined) {
                img_title = "";
            }
            // wrap the <img> tag in an anchor and copy the title of the image
            $this.wrap('<a class="md-image-selfref" href="' + img_src + '" title="' + img_title + '"/> ');
        });
    }

    function addInpageAnchors() {
        // adds a pilcrow (paragraph) character to heading with a link for the
        // inpage anchor
        function addPilcrow($heading, href) {
            var c = $.md.config.anchorCharacter;
            var $pilcrow = $('<span class="anchor-highlight"><a>' + c + "</a></span>");
            $pilcrow.find("a").attr("href", href);
            $pilcrow.hide();

            var mouse_entered = false;
            $heading.mouseenter(function () {
                mouse_entered = true;
                $.md.util.wait(300).then(function () {
                    if (!mouse_entered) return;
                    $pilcrow.fadeIn(200);
                });
            });
            $heading.mouseleave(function () {
                mouse_entered = false;
                $pilcrow.fadeOut(200);
            });
            $pilcrow.appendTo($heading);
        }

        // adds a link to the navigation at the top of the page
        function addJumpLinkToTOC($heading) {
            if ($.md.config.useSideMenu === false) return;
            if ($heading.prop("tagName") !== "H2") return;

            var c = $.md.config.tocAnchor;
            if (c === "") return;

            var $jumpLink = $('<a class="visible-xs visible-sm jumplink" href="#md-page-menu">' + c + "</a>");
            $jumpLink.click(function (ev) {
                ev.preventDefault();

                $("body").scrollTop($("#md-page-menu").position().top);
            });

            if ($heading.parents("#md-menu").length === 0) {
                $jumpLink.insertAfter($heading);
            }
        }

        // adds a page inline anchor to each h1,h2,h3,h4,h5,h6 element
        // which can be accessed by the headings text
        $("h1,h2,h3,h4,h5,h6")
            .not("#md-title h1")
            .each(function () {
                var $heading = $(this);
                $heading.addClass("md-inpage-anchor");
                var text = $heading.clone().children(".anchor-highlight").remove().end().text();
                var href = $.md.util.getInpageAnchorHref(text);
                addPilcrow($heading, href);

                //add jumplink to table of contents
                addJumpLinkToTOC($heading);
            });
    }

    $.md.scrollToInPageAnchor = function (anchortext) {
        if (anchortext.startsWith("#")) anchortext = anchortext.substring(1, anchortext.length);
        // we match case insensitive
        var doBreak = false;
        $(".md-inpage-anchor").each(function () {
            if (doBreak) {
                return;
            }
            var $this = $(this);
            // don't use the text of any subnode
            var text = $this.toptext();
            var match = $.md.util.getInpageAnchorText(text);
            if (anchortext === match) {
                this.scrollIntoView(true);
                var navbar_offset = $(".navbar-collapse").height() + 5;
                window.scrollBy(0, -navbar_offset + 5);
                doBreak = true;
            }
        });
    };
})(jQuery);

(function ($) {
    "use strict";
    // call the gimmick
    $.mdbootstrap = function (method) {
        if ($.mdbootstrap.publicMethods[method]) {
            return $.mdbootstrap.publicMethods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else {
            $.error("Method " + method + " does not exist on jquery.mdbootstrap");
        }
    };
    // simple wrapper around $().bind
    $.mdbootstrap.events = [];
    $.mdbootstrap.bind = function (ev, func) {
        $(document).bind(ev, func);
        $.mdbootstrap.events.push(ev);
    };
    $.mdbootstrap.trigger = function (ev) {
        $(document).trigger(ev);
    };

    var navStyle = "";

    // PUBLIC API functions that are exposed
    var publicMethods = {
        bootstrapify: function () {
            createPageSkeleton();
            buildMenu();
            changeHeading();
            replaceImageParagraphs();

            $("table").addClass("table").addClass("table-bordered");
            //pullRightBumper ();

            // remove the margin for headings h1 and h2 that are the first
            // on page
            //if (navStyle == "sub" || (navStyle == "top" && $('#md-title').text ().trim ().length === 0))
            //    $(".md-first-heading").css ("margin-top", "0");

            // external content should run after gimmicks were run
            $.md.stage("pregimmick").subscribe(function (done) {
                if ($.md.config.useSideMenu !== false) {
                    createPageContentMenu();
                }
                addAdditionalFooterText();
                done();
            });
            $.md.stage("postgimmick").subscribe(function (done) {
                adjustExternalContent();
                highlightActiveLink();

                done();
            });
        },
    };
    // register the public API functions
    $.mdbootstrap.publicMethods = $.extend({}, $.mdbootstrap.publicMethods, publicMethods);

    // PRIVATE FUNCTIONS:

    function buildTopNav() {
        // replace with the navbar skeleton
        if ($("#md-menu").length <= 0) {
            return;
        }
        navStyle = "top";
        var $menuContent = $("#md-menu").children();

        // $('#md-menu').addClass ('navbar navbar-default navbar-fixed-top');
        // var menusrc = '';
        // menusrc += '<div id="md-menu-inner" class="container">';
        // menusrc += '<ul id="md-menu-ul" class="nav navbar-nav">';
        // menusrc += '</ul></div>';

        var navbar = "";
        navbar += '<div id="md-main-navbar" class="navbar navbar-default navbar-fixed-top" role="navigation">';
        navbar += '<div class="navbar-header">';
        navbar +=
            '<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-collapse">';
        navbar += '<span class="sr-only">Toggle navigation</span>';
        navbar += '<span class="icon-bar"></span>';
        navbar += '<span class="icon-bar"></span>';
        navbar += '<span class="icon-bar"></span>';
        navbar += "</button>";
        navbar += '<a class="navbar-brand" href="#"></a>';
        navbar += "</div>";

        navbar += '<div class="collapse navbar-collapse navbar-ex1-collapse">';
        navbar += '<ul class="nav navbar-nav" />';
        navbar += '<ul class="nav navbar-nav navbar-right" />';
        navbar += "</div>";
        navbar += "</div>";
        var $navbar = $(navbar);

        $navbar.appendTo("#md-menu");
        // .eq(0) becase we dont want navbar-right to be appended to
        $("#md-menu ul.nav").eq(0).append($menuContent);

        // the menu should be the first element in the body
        $("#md-menu").prependTo("#md-all");

        var brand_text = $("#md-menu h1").toptext();
        $("#md-menu h1").remove();
        $("a.navbar-brand").text(brand_text);

        // initial offset
        $("#md-body").css("margin-top", "70px");
        $.md.stage("pregimmick").subscribe(function (done) {
            check_offset_to_navbar();
            done();
        });
    }
    // the navbar has different height depending on theme, number of navbar entries,
    // and window/device width. Therefore recalculate on start and upon window resize
    function set_offset_to_navbar() {
        var height = $("#md-main-navbar").height() + 10;
        $("#md-body").css("margin-top", height + "px");
    }
    function check_offset_to_navbar() {
        // HACK this is VERY UGLY. When an external theme is used, we don't know when the
        // css style will be finished loading - and we can only correctly calculate
        // the height AFTER it has completely loaded.
        var navbar_height = 0;

        var dfd1 = $.md.util.repeatUntil(
            40,
            function () {
                navbar_height = $("#md-main-navbar").height();
                return navbar_height > 35 && navbar_height < 481;
            },
            25
        );

        dfd1.done(function () {
            navbar_height = $("#md-main-navbar").height();
            set_offset_to_navbar();
            // now bootstrap changes this maybe after a while, again watch for changes
            var dfd2 = $.md.util.repeatUntil(
                20,
                function () {
                    return navbar_height !== $("#md-main-navbar").height();
                },
                25
            );
            dfd2.done(function () {
                // it changed, so we need to change it again
                set_offset_to_navbar();
            });
            // and finally, for real slow computers, make sure it is changed if changin very late
            $.md.util.wait(2000).done(function () {
                set_offset_to_navbar();
            });
        });
    }
    function buildSubNav() {
        // replace with the navbar skeleton
        /* BROKEN CODE
        if ($('#md-menu').length <= 0) {
            return;
        }
        navStyle = 'sub';
        var $menuContent = $('#md-menu').html ();

        var menusrc = '';
        menusrc += '<div id="md-menu-inner" class="subnav">';
        menusrc += '<ul id="md-menu-ul" class="nav nav-pills">';
        menusrc += $menuContent;
        menusrc += '</ul></div>';
        $('#md-menu').empty();
        $('#md-menu').wrapInner($(menusrc));
        $('#md-menu').addClass ('col-md-12');

        $('#md-menu-container').insertAfter ($('#md-title-container'));
        */
    }

    function buildMenu() {
        if ($("#md-menu a").length === 0) {
            return;
        }
        var h = $("#md-menu");

        // make toplevel <a> a dropdown
        h.find('> a[href=""]')
            .attr("data-toggle", "dropdown")
            .addClass("dropdown-toggle")
            .attr("href", "")
            .append('<b class="caret"/>');
        h.find("ul").addClass("dropdown-menu");
        h.find("ul li").addClass("dropdown");

        // replace hr with dividers
        $("#md-menu hr").each(function (i, e) {
            var hr = $(e);
            var prev = hr.prev();
            var next = hr.next();
            if (prev.is("ul") && prev.length >= 0) {
                prev.append($('<li class="divider"/>'));
                hr.remove();
                if (next.is("ul")) {
                    next.find("li").appendTo(prev);
                    next.remove();
                }
                // next ul should now be empty
            }
            return;
        });

        // remove empty uls
        $("#md-menu ul").each(function (i, e) {
            var ul = $(e);
            if (ul.find("li").length === 0) {
                ul.remove();
            }
        });

        $("#md-menu hr").replaceWith($('<li class="divider-vertical"/>'));

        // wrap the toplevel links in <li>
        $("#md-menu > a").wrap("<li />");
        $("#md-menu ul").each(function (i, e) {
            var ul = $(e);
            ul.appendTo(ul.prev());
            ul.parent("li").addClass("dropdown");
        });

        // submenu headers
        $("#md-menu li.dropdown")
            .find("h1, h2, h3")
            .each(function (i, e) {
                var $e = $(e);
                var text = $e.toptext();
                var header = $('<li class="dropdown-header" />');
                header.text(text);
                $e.replaceWith(header);
            });

        // call the user specifed menu function
        buildTopNav();
    }
    function isVisibleInViewport(e) {
        var el = $(e);
        var top = $(window).scrollTop();
        var bottom = top + $(window).height();

        var eltop = el.offset().top;
        var elbottom = eltop + el.height();

        return elbottom <= bottom && eltop >= top;
    }

    function createPageContentMenu() {
        // assemble the menu
        var $headings = $("#md-content").find("h2").clone();
        // we dont want the text of any child nodes
        $headings.children().remove();

        if ($headings.length <= 1) {
            return;
        }

        $("#md-content").removeClass("col-md-12");
        $("#md-content").addClass("col-md-9");
        $("#md-content-row").prepend('<div class="col-md-3" id="md-left-column"/>');

        var recalc_width = function () {
            // if the page menu is affixed, it is not a child of the
            // <md-left-column> anymore and therefore does not inherit
            // its width. On every resize, change the class accordingly
            var width_left_column = $("#md-left-column").css("width");
            $("#md-page-menu").css("width", width_left_column);
        };

        $(window).scroll(function () {
            recalc_width($("#md-page-menu"));
            var $first;
            $("*.md-inpage-anchor").each(function (i, e) {
                if ($first === undefined) {
                    var h = $(e);
                    if (isVisibleInViewport(h)) {
                        $first = h;
                    }
                }
            });
            // highlight in the right menu
            $("#md-page-menu a").each(function (i, e) {
                var $a = $(e);
                if ($first && $a.toptext() === $first.toptext()) {
                    $("#md-page-menu a.active").removeClass("active");
                    //$a.parent('a').addClass('active');
                    $a.addClass("active");
                }
            });
        });

        var affixDiv = $('<div id="md-page-menu" />');

        //var top_spacing = $('#md-menu').height() + 15;
        var top_spacing = 70;
        affixDiv.affix({
            //offset: affix.position() - 50,
            offset: 130,
        });
        affixDiv.css("top", top_spacing);
        //affix.css('top','-250px');

        var $pannel = $('<div class="panel panel-default"><ul class="list-group"/></div>');
        var $ul = $pannel.find("ul");
        affixDiv.append($pannel);

        $headings.each(function (i, e) {
            var $heading = $(e);
            var $li = $('<li class="list-group-item" />');
            var $a = $("<a />");
            $a.attr("href", $.md.util.getInpageAnchorHref($heading.toptext()));
            $a.click(function (ev) {
                ev.preventDefault();

                var $this = $(this);
                var anchortext = $.md.util.getInpageAnchorText($this.toptext());
                $.md.scrollToInPageAnchor(anchortext);
            });
            $a.text($heading.toptext());
            $li.append($a);
            $ul.append($li);
        });

        $(window).resize(function () {
            recalc_width($("#md-page-menu"));
            check_offset_to_navbar();
        });
        $.md.stage("postgimmick").subscribe(function (done) {
            // recalc_width();
            done();
        });

        //menu.css('width','100%');
        $("#md-left-column").append(affixDiv);
    }

    function createPageSkeleton() {
        $("#md-title").wrap('<div class="container" id="md-title-container"/>');
        $("#md-title").wrap('<div class="row" id="md-title-row"/>');

        $("#md-menu").wrap('<div class="container" id="md-menu-container"/>');
        $("#md-menu").wrap('<div class="row" id="md-menu-row"/>');

        $("#md-content").wrap('<div class="container" id="md-content-container"/>');
        $("#md-content").wrap('<div class="row" id="md-content-row"/>');

        $("#md-body").wrap('<div class="container" id="md-body-container"/>');
        $("#md-body").wrap('<div class="row" id="md-body-row"/>');

        $("#md-title").addClass("col-md-12");
        $("#md-content").addClass("col-md-12");
    }
    function pullRightBumper() {
        /*     $("span.bumper").each (function () {
			$this = $(this);
			$this.prev().addClass ("pull-right");
		});
		$('span.bumper').addClass ('pull-right');
*/
    }

    function changeHeading() {
        // HEADING
        var jumbo = $('<div class="page-header" />');
        $("#md-title").wrapInner(jumbo);
    }

    function highlightActiveLink() {
        // when no menu is used, return
        if ($("#md-menu").find("li").length === 0) {
            return;
        }
        var filename = window.location.hash;

        if (filename.length === 0) {
            filename = "#!index.md";
        }
        var selector = 'li:has(a[href="' + filename + '"])';
        $("#md-menu").find(selector).addClass("active");
    }

    // replace all <p> around images with a <div class="thumbnail" >
    function replaceImageParagraphs() {
        // only select those paragraphs that have images in them
        var $pars = $("p img").parents("p");
        $pars.each(function () {
            var $p = $(this);
            var $images = $(this)
                .find("img")
                .filter(function () {
                    // only select those images that have no parent anchor
                    return $(this).parents("a").length === 0;
                })
                // add those anchors including images
                .add($(this).find("img"))
                .addClass("img-responsive")
                .addClass("img-thumbnail");

            // create a new url group at the fron of the paragraph
            //$p.prepend($('<ul class="thumbnails" />'));
            // move the images to the newly created ul
            //$p.find('ul').eq(0).append($images);

            // wrap each image with a <li> that limits their space
            // the number of images in a paragraphs determines thei width / span

            // if the image is a link, wrap around the link to avoid
            function wrapImage($imgages, wrapElement) {
                return $images.each(function (i, img) {
                    var $img = $(img);
                    var $parent_img = $img.parent("a");
                    if ($parent_img.length > 0) $parent_img.wrap(wrapElement);
                    else $img.wrap(wrapElement);
                });
            }

            if ($p.hasClass("md-floatenv")) {
                if ($images.length === 1) {
                    wrapImage($images, '<div class="col-sm-8" />');
                } else if ($images.length === 2) {
                    wrapImage($images, '<div class="col-sm-4" />');
                } else {
                    wrapImage($images, '<div class="col-sm-2" />');
                }
            } else {
                // non-float => images are on their own single paragraph, make em larger
                // but remember, our image resizing will make them only as large as they are
                // but do no upscaling
                // TODO replace by calculation

                if ($images.length === 1) {
                    wrapImage($images, '<div class="col-sm-12" />');
                } else if ($images.length === 2) {
                    wrapImage($images, '<div class="col-sm-6" />');
                } else if ($images.length === 3) {
                    wrapImage($images, '<div class="col-sm-4" />');
                } else if ($images.length === 4) {
                    wrapImage($images, '<div class="col-sm-3" />');
                } else {
                    wrapImage($images, '<div class="col-sm-2" />');
                }
            }
            $p.addClass("row");
            // finally, every img gets its own wrapping thumbnail div
            //$images.wrap('<div class="thumbnail" />');
        });

        // apply float to the ul thumbnails
        //$('.md-floatenv.md-float-left ul').addClass ('pull-left');
        //$('.md-floatenv.md-float-right ul').addClass ('pull-right');
    }

    function adjustExternalContent() {
        // external content are usually iframes or divs that are integrated
        // by gimmicks
        // example: youtube iframes, google maps div canvas
        // all external content are in the md-external class

        $("iframe.md-external").not(".md-external-nowidth").attr("width", "450").css("width", "450px");

        $("iframe.md-external").not(".md-external-noheight").attr("height", "280").css("height", "280px");

        // make it appear like an image thumbnal
        //$('.md-external').addClass('img-thumbnail');

        //.wrap($("<ul class='thumbnails' />")).wrap($("<li class='col-md-6' />"));
        $("div.md-external").not(".md-external-noheight").css("height", "280px");
        $("div.md-external").not(".md-external-nowidth").css("width", "450px");

        // // make it appear like an image thumbnal
        // $("div.md-external").addClass("thumbnail").wrap($("<ul class='thumbnails' />")).wrap($("<li class='col-md-10' />"));

        // $("div.md-external-large").css('width', "700px")
    }

    // note: the footer is part of the GPLv3 legal information
    // and may not be removed or hidden to comply with licensing conditions.
    function addFooter() {
        var navbar = "";
        navbar += '<hr><div class="scontainer">';
        navbar += '<div class="pull-right md-copyright-footer"> ';
        navbar += '<span id="md-footer-additional"></span>';
        navbar += 'Website generated with <a href="http://www.mdwiki.info">MDwiki</a> ';
        navbar += "&copy; Timo D&ouml;rr and contributors. ";
        navbar += "</div>";
        navbar += "</div>";
        var $navbar = $(navbar);
        $navbar.css("position", "relative");
        $navbar.css("margin-top", "1em");
        $("#md-all").append($navbar);
    }

    function addAdditionalFooterText() {
        var text = $.md.config.additionalFooterText;
        if (text) {
            $(".md-copyright-footer #md-footer-additional").html(text);
        }
    }
})(jQuery);

(function ($) {
    $.gimmicks = $.fn.gimmicks = function (method) {
        if (method === undefined) {
            return;
        }
        // call the gimmick
        if ($.fn.gimmicks.methods[method]) {
            return $.fn.gimmicks.methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else {
            $.error("Gimmick " + method + " does not exist on jQuery.gimmicks");
        }
    };

    // TODO underscores _ in Markdown links are not allowed! bug in our MD imlemenation
})(jQuery);

(function ($) {
    //'use strict';
    var alertsGimmick = {
        name: "alerts",
        // TODO
        //version: $.md.version,
        load: function () {
            $.md.stage("bootstrap").subscribe(function (done) {
                createAlerts();
                done();
            });
        },
    };
    $.md.registerGimmick(alertsGimmick);

    // takes a standard <img> tag and adds a hyperlink to the image source
    // needed since we scale down images via css and want them to be accessible
    // in original format
    function createAlerts() {
        var matches = $(select_paragraphs());
        matches.each(function () {
            var $p = $(this.p);
            var type = this.alertType;
            $p.addClass("alert");

            if (type === "note") {
                $p.addClass("alert-info");
            } else if (type === "hint") {
                $p.addClass("alert-success");
            } else if (type === "warning") {
                $p.addClass("alert-warning");
            }
        });
    }

    // picks out the paragraphs that start with a trigger word
    function select_paragraphs() {
        var note = ["note", "beachte"];
        var warning = ["achtung", "attention", "warnung", "warning", "atención", "guarda", "advertimiento"];
        var hint = ["hint", "tipp", "tip", "hinweis"];
        var exp = note.concat(warning);
        exp = exp.concat(hint);
        var matches = [];

        $("p").filter(function () {
            var $par = $(this);
            // check against each expression
            $(exp).each(function (i, trigger) {
                var txt = $par.text().toLowerCase();
                // we match only paragrachps in which the 'trigger' expression
                // is follow by a ! or :
                var re = new RegExp(trigger + "(:|!)+.*", "i");
                var alertType = "none";
                if (txt.match(re) !== null) {
                    if ($.inArray(trigger, note) >= 0) {
                        alertType = "note";
                    } else if ($.inArray(trigger, warning) >= 0) {
                        alertType = "warning";
                    } else if ($.inArray(trigger, hint) >= 0) {
                        alertType = "hint";
                    }
                    matches.push({
                        p: $par,
                        alertType: alertType,
                    });
                }
            });
        });
        return matches;
    }
})(jQuery);

(function ($) {
    // makes trouble, find out why
    //'use strict';
    var colorboxGimmick = {
        name: "colorbox",
        load: function () {
            $.md.stage("gimmick").subscribe(function (done) {
                $.gimmicks("colorbox");
                done();
            });
        },
    };
    $.md.registerGimmick(colorboxGimmick);

    var methods = {
        // takes a standard <img> tag and adds a hyperlink to the image source
        // needed since we scale down images via css and want them to be accessible
        // in original format
        colorbox: function () {
            var $image_groups;
            if (!(this instanceof jQuery)) {
                // select the image groups of the page
                $image_groups = $(".md-image-group");
            } else {
                $image_groups = $(this);
            }
            // operate on md-image-group, which holds one
            // or more images that are to be colorbox'ed
            var counter = 0;
            return $image_groups.each(function () {
                var $this = $(this);

                // each group requires a unique name
                var gal_group = "gallery-group-" + counter++;

                // create a hyperlink around the image
                $this
                    .find("a.md-image-selfref img")
                    // filter out images that already are a hyperlink
                    // (so won't be part of the gallery)

                    // apply colorbox on their parent anchors
                    .parents("a")
                    .colorbox({
                        rel: gal_group,
                        opacity: 0.75,
                        slideshow: true,
                        maxWidth: "95%",
                        maxHeight: "95%",
                        scalePhotos: true,
                        photo: true,
                        slideshowAuto: false,
                    });
            });
        },
    };
    $.gimmicks.methods = $.extend({}, $.fn.gimmicks.methods, methods);
})(jQuery);

(function ($) {
    "use strict";

    var themeChooserGimmick = {
        name: "Themes",
        version: $.md.version,
        once: function () {
            $.md.linkGimmick(this, "carousel", carousel);
        },
    };
    $.md.registerGimmick(themeChooserGimmick);

    function carousel($link, opt, href) {
        var $c = $('<div id="myCarousel" class="carousel slide"></div>');
        var $d = $('<div class="carousel-inner"/>');
        $c.append('<ol class="carousel-indicators" />');

        var imageUrls = [];
        var i = 0;
        $.each(href.split(","), function (i, e) {
            imageUrls.push($.trim(e));
            $c.find("ol").append('<li data-target="#myCarousel" data-slide-to="' + i + '" class="active" /');
            var div;
            if (i === 0) {
                div = '<div class="active item"/>';
            } else {
                div = '<div class="item"/>';
            }
            $d.append($(div).append('<img src="' + e + '"/>'));
        });
        $c.append($d);
        $c.append('<a class="carousel-control left" href="#myCarousel" data-slide="prev">&lsaquo;</a>');
        $c.append('<a class="carousel-control right" href="#myCarousel" data-slide="next">&rsaquo;</a>');
        $link.replaceWith($c);
    }
})(jQuery);

(function ($) {
    "use strict";
    var gistGimmick = {
        name: "gist",
        once: function () {
            $.md.linkGimmick(this, "gist", gist);
        },
    };
    $.md.registerGimmick(gistGimmick);

    function gist($links, opt, href) {
        $().lazygist("init");
        return $links.each(function (i, link) {
            var default_options = {
                scheme: "https",
                path: "gist.github.com/",
            };
            var options = $.extend(default_options, opt);
            var $link = $(link);
            var gistDiv = $('<div class="gist_here" data-id="' + href + '" />');
            $link.replaceWith(gistDiv);
            gistDiv.lazygist({
                // we dont want a specific file so modify the url template
                url_template: "{scheme}://{path}{id}.js"
                    .replace(/\{scheme\}/g, options.scheme)
                    .replace(/\{path\}/g, options.path),
            });
        });
    }
})(jQuery);

/**
 * Lazygist v0.2pre
 *
 * a jQuery plugin that will lazy load your gists.
 *
 * since jQuery 1.7.2
 * https://github.com/tammo/jquery-lazy-gist
 *
 * Copyright, Tammo Pape
 * http://tammopape.de
 *
 * Licensed under the MIT license.
 */

(function ($, window, document, undefined) {
    "use strict";

    //
    // note:
    // this plugin is not stateful
    // and will not communicate with own instances at different elements
    //

    var pluginName = "lazygist",
        version = "0.2pre",
        defaults = {
            // adding the ?file parameter to choose a file
            url_template: "https://gist.github.com/{id}.js?file={file}",

            // if these are strings, the attributes will be read from the element
            id: "data-id",
            file: "data-file",
        },
        options,
        // will be replaced
        /*jshint -W060 */
        originwrite = document.write,
        // stylesheet urls found in document.write calls
        // they are cached to write them once to the document,
        // not three times for three gists
        stylesheets = [],
        // cache gist-ids to know which are already appended to the dom
        ids_dom = [],
        // remember gist-ids if their javascript is already loaded
        ids_ajax = [],
        methods = {
            /**
             * Standard init function
             * No magic here
             */
            init: function (options_input) {
                // default options are default
                options = $.extend({}, defaults, options_input);

                // can be reset
                /*jshint -W061 */
                document.write = _write;

                $.each(options, function (index, value) {
                    if (typeof value !== "string") {
                        throw new TypeError(value + " (" + typeof value + ") is not a string");
                    }
                });

                return this.lazygist("load");
            },

            /**
             * Load the gists
             */
            load: function () {
                // (1) iterate over gist anchors
                // (2) append the gist-html through the new document.write func (see _write)

                // (1)
                return this.filter("[" + options.id + "]").each(function () {
                    var id = $(this).attr(options.id),
                        file = $(this).attr(options.file),
                        src;

                    if (id !== undefined) {
                        if ($.inArray(id, ids_ajax) !== -1) {
                            // just do nothin, if gist is already ajaxed
                            return;
                        }

                        ids_ajax.push(id);

                        src = options.url_template.replace(/\{id\}/g, id).replace(/\{file\}/g, file);

                        // (2) this will trigger our _write function
                        $.getScript(src, function () {});
                    }
                });
            },

            /**
             * Just reset the write function
             */
            reset_write: function () {
                document.write = originwrite;

                return this;
            },
        };

    /**
     * private special document.write function
     *
     * Filters the css file from github.com to add it to the head - once -
     *
     * It has a fallback to keep flexibility with other scripts as high as possible
     * (create a ticket if it messes things up!)
     *
     * Keep in mind, that a call to this function happens after
     * an ajax call by jQuery. One *cannot* know which gist-anchor
     * to use. You can only read the id from the content.
     */
    function _write(content) {
        var expression, // for regexp results
            href, // from the url
            id; // from the content

        if (content.indexOf('rel="stylesheet"') !== -1) {
            href = $(content).attr("href");

            // check if stylesheet is already inserted
            if ($.inArray(href, stylesheets) === -1) {
                $("head").append(content);
                stylesheets.push(href);
            }
        } else if (content.indexOf('id="gist') !== -1) {
            // This is the newer gist URL style, ignoring the hostname for GitHub EE instances
            expression = /https?:\/\/gist.*?\/.*\/(.*)#/.exec(content);
            if (expression !== null) {
                id = expression[1];
            } else {
                // This will catch older versions of GitHub EE
                expression = /gist\/.+?\/([a-f0-9]+)\/raw/g.exec(content);
                if (expression !== null) {
                    id = expression[1];
                }
            }
            if (id !== undefined) {
                // test if id is already loaded
                if ($.inArray(id, ids_dom) !== -1) {
                    // just do nothin, if gist is already attached to the dom
                    return;
                }

                ids_dom.push(id);

                $(".gist_here[data-id=" + id + "]").append(content);
            }
        } else {
            // this is a fallback for interoperability
            originwrite.apply(document, arguments);
        }
    }

    // method invocation - from jQuery.com
    $.fn[pluginName] = function (method) {
        if (methods[method]) {
            return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else if (typeof method === "object" || !method) {
            return methods.init.apply(this, arguments);
        } else {
            $.error("Method " + method + " does not exist on jQuery.lazygist");
        }
    };

    // expose version for your interest
    $.fn[pluginName].version = version;
})(jQuery, window, document);

(function ($) {
    "use strict";
    var iframeGimmick = {
        name: "iframe",
        version: $.md.version,
        once: function () {
            $.md.linkGimmick(this, "iframe", create_iframe);
        },
    };
    $.md.registerGimmick(iframeGimmick);

    function create_iframe($links, opt, text) {
        return $links.each(function (i, link) {
            var $link = $(link);
            var href = $link.attr("href");
            var $iframe = $('<iframe class="col-md-12" style="border: 0px solid red; height: 650px;"></iframe>');
            $iframe.attr("src", href);
            $link.replaceWith($iframe);

            if (opt.width) $iframe.css("width", opt.width);
            if (opt.height) $iframe.css("height", opt.height);
            else {
                var updateSizeFn = function () {
                    var offset = $iframe.offset();
                    var winHeight = $(window).height();
                    var newHeight = winHeight - offset.top - 5;
                    $iframe.height(newHeight);
                };

                $iframe.load(function (done) {
                    updateSizeFn();
                });

                $(window).resize(function () {
                    updateSizeFn();
                });
            }
        });
    }
})(jQuery);

(function ($) {
    var mathGimmick = {
        name: "math",
        once: function () {
            $.md.linkGimmick(this, "math", load_mathjax);
        },
    };
    $.md.registerGimmick(mathGimmick);

    function load_mathjax($links, opt, ref) {
        $links.remove();
        var script = document.createElement("script");
        script.type = "text/javascript";
        script.src = $.md.prepareLink("cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML", {
            forceSSL: true,
        });
        document.getElementsByTagName("head")[0].appendChild(script);
    }
})(jQuery);

(function ($) {
    var prismGimmick = {
        name: "prism",
        load: function () {
            $.md.stage("gimmick").subscribe(function (done) {
                prism_highlight();
                done();
            });
        },
    };
    var supportedLangs = [
        "abap",
        "actionscript",
        "apacheconf",
        "apl",
        "applescript",
        "asciidoc",
        "aspnet",
        "autohotkey",
        "autoit",
        "bash",
        "basic",
        "batch",
        "bison",
        "brainfuck",
        "c",
        "clike",
        "coffeescript",
        "core",
        "cpp",
        "crystal",
        "csharp",
        "css",
        "css",
        "d",
        "dart",
        "diff",
        "docker",
        "eiffel",
        "elixir",
        "erlang",
        "fortran",
        "fsharp",
        "gherkin",
        "git",
        "glsl",
        "go",
        "groovy",
        "haml",
        "handlebars",
        "haskell",
        "haxe",
        "http",
        "icon",
        "inform7",
        "ini",
        "j",
        "jade",
        "java",
        "javascript",
        "json",
        "jsx",
        "julia",
        "keyman",
        "kotlin",
        "latex",
        "less",
        "lolcode",
        "lua",
        "makefile",
        "markdown",
        "markup",
        "matlab",
        "mel",
        "mizar",
        "monkey",
        "nasm",
        "nginx",
        "nim",
        "nix",
        "nsis",
        "objectivec",
        "ocaml",
        "oz",
        "parigp",
        "parser",
        "pascal",
        "perl",
        "php",
        "powershell",
        "processing",
        "prolog",
        "puppet",
        "pure",
        "python",
        "q",
        "qore",
        "r",
        "rest",
        "rip",
        "roboconf",
        "ruby",
        "rust",
        "sas",
        "sass",
        "scala",
        "scheme",
        "scss",
        "smalltalk",
        "smarty",
        "sql",
        "stylus",
        "svg",
        "swift",
        "tcl",
        "textile",
        "twig",
        "typescript",
        "verilog",
        "vhdl",
        "vim",
        "wiki",
        "xml",
        "yaml",
    ];
    $.md.registerGimmick(prismGimmick);

    function prism_highlight() {
        // marked adds lang-ruby, lang-csharp etc to the <code> block like in GFM
        var $codeblocks = $("pre code[class^=lang-]");
        $codeblocks.each(function () {
            var $this = $(this);
            var classes = $this.attr("class");
            var lang = classes.substring(5);
            if (supportedLangs.indexOf(lang) < 0) {
                return;
            }
            $this.removeClass(classes);
            $this.addClass("language-" + lang);
        });
        Prism.highlightAll();
    }
})(jQuery);

(function ($) {
    "use strict";

    var themes = [
        { name: "bootstrap", url: "netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" },
        { name: "cyborg", url: "netdna.bootstrapcdn.com/bootswatch/3.0.0/cyborg/bootstrap.min.css" },
        { name: "slate", url: "netdna.bootstrapcdn.com/bootswatch/3.0.0/slate/bootstrap.min.css" },
        { name: "darkly", url: "cdn.jsdelivr.net/npm/bootswatch@3.2.0/darkly/bootstrap.min.css" },
    ];
    var useChooser = false;
    var themeChooserGimmick = {
        name: "Themes",
        version: $.md.version,
        once: function () {
            $.md.linkGimmick(this, "themechooser", themechooser, "skel_ready");
            $.md.linkGimmick(this, "theme", apply_theme);
        },
    };
    $.md.registerGimmick(themeChooserGimmick);

    var log = $.md.getLogger();

    var set_theme = function (theme) {
        theme.inverse = theme.inverse || false;

        if (theme.url === undefined) {
            if (!theme.name) {
                log.error("Theme name must be given!");
                return;
            }
            var saved_theme = themes.filter(function (t) {
                return t.name === theme.name;
            })[0];
            if (!saved_theme) {
                log.error("Theme " + name + " not found, removing link");
                return;
            }
            theme = $.extend(theme, saved_theme);
        }

        $('link[rel=stylesheet][href*="netdna.bootstrapcdn.com"]').remove();

        // slim instance has no bootstrap hardcoded in
        var has_default_bootstrap_css = $("style[id*=bootstrap]").length > 0;

        if (theme.name !== "bootstrap" || !has_default_bootstrap_css) {
            // in devel & fat version the style is inlined, remove it
            $("style[id*=bootstrap]").remove();

            $('<link rel="stylesheet" type="text/css">').attr("href", $.md.prepareLink(theme.url)).appendTo("head");
        }

        if (theme.inverse === true) {
            $("#md-main-navbar").removeClass("navbar-default");
            $("#md-main-navbar").addClass("navbar-inverse");
        } else {
            $("#md-main-navbar").addClass("navbar-default");
            $("#md-main-navbar").removeClass("navbar-inverse");
        }
    };

    var apply_theme = function ($links, opt, text) {
        opt.name = opt.name || text;
        $links.each(function (i, link) {
            $.md.stage("postgimmick").subscribe(function (done) {
                var $link = $(link);

                // only set a theme if no theme from the chooser is selected,
                // or if the chooser isn't enabled
                if (window.localStorage.theme === undefined || !useChooser) {
                    set_theme(opt);
                }

                done();
            });
        });
        $links.remove();
    };

    var themechooser = function ($links, opt, text) {
        useChooser = true;
        $.md.stage("bootstrap").subscribe(function (done) {
            restore_theme(opt);
            done();
        });

        return $links.each(function (i, e) {
            var $this = $(e);
            var $chooser = $('<a href=""></a><ul></ul>');
            $chooser.eq(0).text(text);

            $.each(themes, function (i, theme) {
                var $li = $("<li></li>");
                $chooser.eq(1).append($li);
                var $a = $("<a/>")
                    .text(theme.name)
                    .attr("href", "")
                    .click(function (ev) {
                        ev.preventDefault();
                        window.localStorage.theme = theme.name;
                        window.location.reload();
                    })
                    .appendTo($li);
            });

            $chooser.eq(1).append('<li class="divider" />');
            var $li = $("<li/>");
            var $a_use_default = $("<a>Use default</a>");
            $a_use_default.click(function (ev) {
                ev.preventDefault();
                window.localStorage.removeItem("theme");
                window.location.reload();
            });
            $li.append($a_use_default);
            $chooser.eq(1).append($li);
            $this.replaceWith($chooser);
        });
    };

    var restore_theme = function (opt) {
        if (window.localStorage.theme) {
            opt = $.extend({ name: window.localStorage.theme }, opt);
            set_theme(opt);
        }
    };
})(jQuery);

(function ($) {
    //'use strict';
    var youtubeGimmick = {
        name: "youtube",
        load: function () {
            $.md.stage("gimmick").subscribe(function (done) {
                youtubeLinkToIframe();
                done();
            });
        },
    };
    $.md.registerGimmick(youtubeGimmick);

    function youtubeLinkToIframe() {
        var $youtube_links = $("a[href*=youtube\\.com]:empty, a[href*=youtu\\.be]:empty");

        $youtube_links.each(function () {
            var $this = $(this);
            var href = $this.attr("href");
            if (href !== undefined) {
                // extract the v parameter from youtube
                var exp = /.*(?:youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=)([^#\&\?]*).*/;
                var m = href.match(exp);

                if (m && m[1].length === 11) {
                    // insert the iframe
                    var short_handle = m[1];
                    var frame = $('<iframe class="md-external" frameborder="0" allowfullscreen></iframe>');
                    frame.attr("src", "http://youtube.com/embed/" + short_handle);
                    // remove the a tag
                    $this.replaceWith(frame);
                }
            }
        });
    }
})(jQuery);

(function ($) {
    "use strict";

    var scripturl = "//cdnjs.cloudflare.com/ajax/libs/Chart.js/1.0.2/Chart.min.js";

    var chartGimmick = {
        name: "chart",
        version: $.md.version,
        once: function () {
            $.md.linkGimmick(this, "chart", chart);

            // load the chart js
            $.md.registerScript(this, scripturl, {
                license: "MIT",
                loadstage: "skel_ready",
                finishstage: "gimmick",
            });
        },
    };
    $.md.registerGimmick(chartGimmick);

    var log = $.md.getLogger();

    function chart($links, opt, text) {
        return $links.each(function (i, link) {
            // Get the options for this gimmick
            //      labelColumn: This is a string the indicates the column that will be used to
            //                   label the data points
            //      dataColumns: This is a array of strings that indicate each column to be plotted
            //      canvasId:    This is a ID for the given chart. Defaults to a random number
            //                   between 1-1000.
            //      chartOptions: This is an object that is passed to chartjs to configure its
            //                    options.
            //      chartType:   This string is the type of chart we want to render. Bar, Line,
            //                   or Radar. Defaults to Line.
            var default_options = {
                chartType: "Line",
                canvasId: "chartGimmick" + Math.floor(Math.random() * 1000 + 1),
                chartOptions: {
                    responsive: false,
                },
            };
            var options = $.extend({}, default_options, opt);

            var $link = $(link);

            var table = $link.parents().find("table").last();
            if (table.length === 0) {
                log.error("Chart Gimmick: No tables found on the page.");
                $link.remove();
                return;
            }

            // Replace the Gimmick with the canvas that chartJS needs
            var myHtml = $('<canvas id="' + options.canvasId + '"></canvas>');
            myHtml.width(options.width || "450px");
            myHtml.height(options.height || "250px");
            $link.replaceWith(myHtml);

            // This is the object that is given to the chart frame work for rendering. It will be
            // built up by processing the html table that is found on the table.
            var chartConfig = {
                datasets: [],
                labels: [],
            };

            var chartAvailableToRender = true;

            // These variables hold the indices of the columns in the table we care about. They will
            // be populated as we process the table based on the options that are given in the
            // gimmick
            var labelColumnIndex = -1;
            var dataColumnIndices = [];

            // Get the index of the columns that we care about for charting
            table.find("th").each(function (index) {
                // This is the column that labels each data point
                if (this.textContent === options.labelColumn) {
                    labelColumnIndex = index;
                }

                // Check if this is a data column
                else {
                    for (var i = 0; i < options.dataColumns.length; i++) {
                        if (this.textContent === options.dataColumns[i]) {
                            dataColumnIndices.push(index);
                        }
                    }
                }
            });

            // Get the data
            table.find("tr").each(function (rowIndex) {
                $(this)
                    .find("td")
                    .each(function (colIndex) {
                        if (colIndex === labelColumnIndex) {
                            chartConfig.labels.push(this.textContent);
                        } else {
                            for (var i = 0; i < dataColumnIndices.length; i++) {
                                if (colIndex === dataColumnIndices[i]) {
                                    if (chartConfig.datasets[i] === undefined) {
                                        chartConfig.datasets[i] = {};
                                        chartConfig.datasets[i].data = [];
                                    }

                                    chartConfig.datasets[i].data.push(this.textContent);
                                }
                            }
                        }
                    });
            });

            // No Chart data found
            if (chartConfig.datasets[i] === undefined) {
                chartAvailableToRender = false;
                log.error(
                    "Chart Gimmick: No data was found for the chart. Make sure that there " +
                        "is a tables on the page. Check that your " +
                        "column headers match the chart configuration."
                );
            }

            if (chartAvailableToRender) {
                var canvas = document.getElementById(options.canvasId);
                var ctx = canvas.getContext("2d");
                $.md.stage("postgimmick").subscribe(function (done) {
                    setTimeout(function () {
                        new Chart(ctx)[options.chartType](chartConfig, options.chartOptions);
                    });
                    done();
                });
            }
        });
    }
})(jQuery);

(function ($) {
    "use strict";
    function yuml($link, opt, text) {
        var default_options = {
            type: "class" /* { class, activity, usecase } */,
            style: "plain" /* { plain, scruffy } */,
            direction: "LR" /* LR, TB, RL */,
            scale: "100",
        };
        var options = $.extend({}, default_options, opt);

        return $link.each(function (i, e) {
            var $this = $(e);
            var url = "http://yuml.me/diagram/";
            var data = $this.attr("href");
            var title = $this.attr("title");

            title = title ? title : "";

            /* `FOOBAR´ => (FOOBAR) */
            data = data.replace(new RegExp("`", "g"), "(").replace(new RegExp("´", "g"), ")");

            url +=
                options.style +
                ";dir:" +
                options.direction +
                ";scale:" +
                options.scale +
                "/" +
                options.type +
                "/" +
                data;

            var $img = $('<img src="' + url + '" title="' + title + '" alt="' + title + '">');

            $this.replaceWith($img);
        });
    }
    var yumlGimmick = {
        name: "yuml",
        version: $.md.version,
        once: function () {
            $.md.linkGimmick(this, "yuml", yuml);
            $.md.registerScript(this, "", {
                license: "LGPL",
                loadstage: "postgimmick",
                finishstage: "all_ready",
            });
        },
    };
    $.md.registerGimmick(yumlGimmick);
})(jQuery);