history-cm.js

// The master copy of this script lives at https://hl7.org/fhir/history-cm.js
// The script is maintained at https://github.com/HL7/fhir-ig-history-template/history-cm.js
// 
// PRs to improve the functionality are welcome; the copy on the HL7 website is updated when 
// the GitHub version is updated
//
// typically the only changes accepted are updates from the CommonMark master
// 
// maintained by Grahame Grieve, grahame@hl7.org
//


(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.commonmark = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";

var Node = require('./node');
var unescapeString = require('./common').unescapeString;
var OPENTAG = require('./common').OPENTAG;
var CLOSETAG = require('./common').CLOSETAG;

var CODE_INDENT = 4;

var C_TAB = 9;
var C_NEWLINE = 10;
var C_GREATERTHAN = 62;
var C_LESSTHAN = 60;
var C_SPACE = 32;
var C_OPEN_BRACKET = 91;

var InlineParser = require('./inlines');

var reHtmlBlockOpen = [
   /./, // dummy for 0
   /^<(?:script|pre|style)(?:\s|>|$)/i,
   /^<!--/,
   /^<[?]/,
   /^<![A-Z]/,
   /^<!\[CDATA\[/,
   /^<[/]?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option|p|param|section|source|title|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|[/]?[>]|$)/i,
    new RegExp('^(?:' + OPENTAG + '|' + CLOSETAG + ')\\s*$', 'i')
];

var reHtmlBlockClose = [
   /./, // dummy for 0
   /<\/(?:script|pre|style)>/i,
   /-->/,
   /\?>/,
   />/,
   /\]\]>/
];

var reThematicBreak = /^(?:(?:\*[ \t]*){3,}|(?:_[ \t]*){3,}|(?:-[ \t]*){3,})[ \t]*$/;

var reMaybeSpecial = /^[#`~*+_=<>0-9-]/;

var reNonSpace = /[^ \t\f\v\r\n]/;

var reBulletListMarker = /^[*+-]/;

var reOrderedListMarker = /^(\d{1,9})([.)])/;

var reATXHeadingMarker = /^#{1,6}(?:[ \t]+|$)/;

var reCodeFence = /^`{3,}(?!.*`)|^~{3,}(?!.*~)/;

var reClosingCodeFence = /^(?:`{3,}|~{3,})(?= *$)/;

var reSetextHeadingLine = /^(?:=+|-+)[ \t]*$/;

var reLineEnding = /\r\n|\n|\r/;

// Returns true if string contains only space characters.
var isBlank = function(s) {
    return !(reNonSpace.test(s));
};

var isSpaceOrTab = function(c) {
    return c === C_SPACE || c === C_TAB;
};

var peek = function(ln, pos) {
    if (pos < ln.length) {
        return ln.charCodeAt(pos);
    } else {
        return -1;
    }
};

// DOC PARSER

// These are methods of a Parser object, defined below.

// Returns true if block ends with a blank line, descending if needed
// into lists and sublists.
var endsWithBlankLine = function(block) {
    while (block) {
        if (block._lastLineBlank) {
            return true;
        }
        var t = block.type;
        if (t === 'list' || t === 'item') {
            block = block._lastChild;
        } else {
            break;
        }
    }
    return false;
};

// Add a line to the block at the tip.  We assume the tip
// can accept lines -- that check should be done before calling this.
var addLine = function() {
    if (this.partiallyConsumedTab) {
      this.offset += 1; // skip over tab
      // add space characters:
      var charsToTab = 4 - (this.column % 4);
      this.tip._string_content += (' '.repeat(charsToTab));
    }
    this.tip._string_content += this.currentLine.slice(this.offset) + '\n';
};

// Add block of type tag as a child of the tip.  If the tip can't
// accept children, close and finalize it and try its parent,
// and so on til we find a block that can accept children.
var addChild = function(tag, offset) {
    while (!this.blocks[this.tip.type].canContain(tag)) {
        this.finalize(this.tip, this.lineNumber - 1);
    }

    var column_number = offset + 1; // offset 0 = column 1
    var newBlock = new Node(tag, [[this.lineNumber, column_number], [0, 0]]);
    newBlock._string_content = '';
    this.tip.appendChild(newBlock);
    this.tip = newBlock;
    return newBlock;
};

// Parse a list marker and return data on the marker (type,
// start, delimiter, bullet character, padding) or null.
var parseListMarker = function(parser, container) {
    var rest = parser.currentLine.slice(parser.nextNonspace);
    var match;
    var nextc;
    var spacesStartCol;
    var spacesStartOffset;
    var data = { type: null,
                 tight: true,  // lists are tight by default
                 bulletChar: null,
                 start: null,
                 delimiter: null,
                 padding: null,
                 markerOffset: parser.indent };
    if ((match = rest.match(reBulletListMarker))) {
        data.type = 'bullet';
        data.bulletChar = match[0][0];

    } else if ((match = rest.match(reOrderedListMarker)) &&
                (container.type !== 'paragraph' ||
                 match[1] === '1')) {
        data.type = 'ordered';
        data.start = parseInt(match[1]);
        data.delimiter = match[2];
    } else {
        return null;
    }
    // make sure we have spaces after
    nextc = peek(parser.currentLine, parser.nextNonspace + match[0].length);
    if (!(nextc === -1 || nextc === C_TAB || nextc === C_SPACE)) {
        return null;
    }

    // if it interrupts paragraph, make sure first line isn't blank
    if (container.type === 'paragraph' && !parser.currentLine.slice(parser.nextNonspace + match[0].length).match(reNonSpace)) {
        return null;
    }

    // we've got a match! advance offset and calculate padding
    parser.advanceNextNonspace(); // to start of marker
    parser.advanceOffset(match[0].length, true); // to end of marker
    spacesStartCol = parser.column;
    spacesStartOffset = parser.offset;
    do {
        parser.advanceOffset(1, true);
        nextc = peek(parser.currentLine, parser.offset);
    } while (parser.column - spacesStartCol < 5 &&
           isSpaceOrTab(nextc));
    var blank_item = peek(parser.currentLine, parser.offset) === -1;
    var spaces_after_marker = parser.column - spacesStartCol;
    if (spaces_after_marker >= 5 ||
        spaces_after_marker < 1 ||
        blank_item) {
        data.padding = match[0].length + 1;
        parser.column = spacesStartCol;
        parser.offset = spacesStartOffset;
        if (isSpaceOrTab(peek(parser.currentLine, parser.offset))) {
            parser.advanceOffset(1, true);
        }
    } else {
        data.padding = match[0].length + spaces_after_marker;
    }
    return data;
};

// Returns true if the two list items are of the same type,
// with the same delimiter and bullet character.  This is used
// in agglomerating list items into lists.
var listsMatch = function(list_data, item_data) {
    return (list_data.type === item_data.type &&
            list_data.delimiter === item_data.delimiter &&
            list_data.bulletChar === item_data.bulletChar);
};

// Finalize and close any unmatched blocks.
var closeUnmatchedBlocks = function() {
    if (!this.allClosed) {
        // finalize any blocks not matched
        while (this.oldtip !== this.lastMatchedContainer) {
            var parent = this.oldtip._parent;
            this.finalize(this.oldtip, this.lineNumber - 1);
            this.oldtip = parent;
        }
        this.allClosed = true;
    }
};

// 'finalize' is run when the block is closed.
// 'continue' is run to check whether the block is continuing
// at a certain line and offset (e.g. whether a block quote
// contains a `>`.  It returns 0 for matched, 1 for not matched,
// and 2 for "we've dealt with this line completely, go to next."
var blocks = {
    document: {
        continue: function() { return 0; },
        finalize: function() { return; },
        canContain: function(t) { return (t !== 'item'); },
        acceptsLines: false
    },
    list: {
        continue: function() { return 0; },
        finalize: function(parser, block) {
            var item = block._firstChild;
            while (item) {
                // check for non-final list item ending with blank line:
                if (endsWithBlankLine(item) && item._next) {
                    block._listData.tight = false;
                    break;
                }
                // recurse into children of list item, to see if there are
                // spaces between any of them:
                var subitem = item._firstChild;
                while (subitem) {
                    if (endsWithBlankLine(subitem) &&
                        (item._next || subitem._next)) {
                        block._listData.tight = false;
                        break;
                    }
                    subitem = subitem._next;
                }
                item = item._next;
            }
        },
        canContain: function(t) { return (t === 'item'); },
        acceptsLines: false
    },
    block_quote: {
        continue: function(parser) {
            var ln = parser.currentLine;
            if (!parser.indented &&
                peek(ln, parser.nextNonspace) === C_GREATERTHAN) {
                parser.advanceNextNonspace();
                parser.advanceOffset(1, false);
                if (isSpaceOrTab(peek(ln, parser.offset))) {
                    parser.advanceOffset(1, true);
                }
            } else {
                return 1;
            }
            return 0;
        },
        finalize: function() { return; },
        canContain: function(t) { return (t !== 'item'); },
        acceptsLines: false
    },
    item: {
        continue: function(parser, container) {
            if (parser.blank) {
                if (container._firstChild == null) {
                    // Blank line after empty list item
                    return 1;
                } else {
                    parser.advanceNextNonspace();
                }
            } else if (parser.indent >=
                       container._listData.markerOffset +
                       container._listData.padding) {
                parser.advanceOffset(container._listData.markerOffset +
                    container._listData.padding, true);
            } else {
                return 1;
            }
            return 0;
        },
        finalize: function() { return; },
        canContain: function(t) { return (t !== 'item'); },
        acceptsLines: false
    },
    heading: {
        continue: function() {
            // a heading can never container > 1 line, so fail to match:
            return 1;
        },
        finalize: function() { return; },
        canContain: function() { return false; },
        acceptsLines: false
    },
    thematic_break: {
        continue: function() {
            // a thematic break can never container > 1 line, so fail to match:
            return 1;
        },
        finalize: function() { return; },
        canContain: function() { return false; },
        acceptsLines: false
    },
    code_block: {
        continue: function(parser, container) {
            var ln = parser.currentLine;
            var indent = parser.indent;
            if (container._isFenced) { // fenced
                var match = (indent <= 3 &&
                    ln.charAt(parser.nextNonspace) === container._fenceChar &&
                    ln.slice(parser.nextNonspace).match(reClosingCodeFence));
                if (match && match[0].length >= container._fenceLength) {
                    // closing fence - we're at end of line, so we can return
                    parser.finalize(container, parser.lineNumber);
                    return 2;
                } else {
                    // skip optional spaces of fence offset
                    var i = container._fenceOffset;
                    while (i > 0 && isSpaceOrTab(peek(ln, parser.offset))) {
                        parser.advanceOffset(1, true);
                        i--;
                    }
                }
            } else { // indented
                if (indent >= CODE_INDENT) {
                    parser.advanceOffset(CODE_INDENT, true);
                } else if (parser.blank) {
                    parser.advanceNextNonspace();
                } else {
                    return 1;
                }
            }
            return 0;
        },
        finalize: function(parser, block) {
            if (block._isFenced) { // fenced
                // first line becomes info string
                var content = block._string_content;
                var newlinePos = content.indexOf('\n');
                var firstLine = content.slice(0, newlinePos);
                var rest = content.slice(newlinePos + 1);
                block.info = unescapeString(firstLine.trim());
                block._literal = rest;
            } else { // indented
                block._literal = block._string_content.replace(/(\n *)+$/, '\n');
            }
            block._string_content = null; // allow GC
        },
        canContain: function() { return false; },
        acceptsLines: true
    },
    html_block: {
        continue: function(parser, container) {
            return ((parser.blank &&
                     (container._htmlBlockType === 6 ||
                      container._htmlBlockType === 7)) ? 1 : 0);
        },
        finalize: function(parser, block) {
            block._literal = block._string_content.replace(/(\n *)+$/, '');
            block._string_content = null; // allow GC
        },
        canContain: function() { return false; },
        acceptsLines: true
    },
    paragraph: {
        continue: function(parser) {
            return (parser.blank ? 1 : 0);
        },
        finalize: function(parser, block) {
            var pos;
            var hasReferenceDefs = false;

            // try parsing the beginning as link reference definitions:
            while (peek(block._string_content, 0) === C_OPEN_BRACKET &&
                   (pos =
                    parser.inlineParser.parseReference(block._string_content,
                                                       parser.refmap))) {
                block._string_content = block._string_content.slice(pos);
                hasReferenceDefs = true;
            }
            if (hasReferenceDefs && isBlank(block._string_content)) {
                block.unlink();
            }
        },
        canContain: function() { return false; },
        acceptsLines: true
    }
};

// block start functions.  Return values:
// 0 = no match
// 1 = matched container, keep going
// 2 = matched leaf, no more block starts
var blockStarts = [
    // block quote
    function(parser) {
        if (!parser.indented &&
            peek(parser.currentLine, parser.nextNonspace) === C_GREATERTHAN) {
            parser.advanceNextNonspace();
            parser.advanceOffset(1, false);
            // optional following space
            if (isSpaceOrTab(peek(parser.currentLine, parser.offset))) {
                parser.advanceOffset(1, true);
            }
            parser.closeUnmatchedBlocks();
            parser.addChild('block_quote', parser.nextNonspace);
            return 1;
        } else {
            return 0;
        }
    },

    // ATX heading
    function(parser) {
        var match;
        if (!parser.indented &&
            (match = parser.currentLine.slice(parser.nextNonspace).match(reATXHeadingMarker))) {
            parser.advanceNextNonspace();
            parser.advanceOffset(match[0].length, false);
            parser.closeUnmatchedBlocks();
            var container = parser.addChild('heading', parser.nextNonspace);
            container.level = match[0].trim().length; // number of #s
            // remove trailing ###s:
            container._string_content =
                parser.currentLine.slice(parser.offset).replace(/^[ \t]*#+[ \t]*$/, '').replace(/[ \t]+#+[ \t]*$/, '');
            parser.advanceOffset(parser.currentLine.length - parser.offset);
            return 2;
        } else {
            return 0;
        }
    },

    // Fenced code block
    function(parser) {
        var match;
        if (!parser.indented &&
            (match = parser.currentLine.slice(parser.nextNonspace).match(reCodeFence))) {
            var fenceLength = match[0].length;
            parser.closeUnmatchedBlocks();
            var container = parser.addChild('code_block', parser.nextNonspace);
            container._isFenced = true;
            container._fenceLength = fenceLength;
            container._fenceChar = match[0][0];
            container._fenceOffset = parser.indent;
            parser.advanceNextNonspace();
            parser.advanceOffset(fenceLength, false);
            return 2;
        } else {
            return 0;
        }
    },

    // HTML block
    function(parser, container) {
        if (!parser.indented &&
            peek(parser.currentLine, parser.nextNonspace) === C_LESSTHAN) {
            var s = parser.currentLine.slice(parser.nextNonspace);
            var blockType;

            for (blockType = 1; blockType <= 7; blockType++) {
                if (reHtmlBlockOpen[blockType].test(s) &&
                    (blockType < 7 ||
                     container.type !== 'paragraph')) {
                    parser.closeUnmatchedBlocks();
                    // We don't adjust parser.offset;
                    // spaces are part of the HTML block:
                    var b = parser.addChild('html_block',
                                            parser.offset);
                    b._htmlBlockType = blockType;
                    return 2;
                }
            }
        }

        return 0;

    },

    // Setext heading
    function(parser, container) {
        var match;
        if (!parser.indented &&
            container.type === 'paragraph' &&
                   ((match = parser.currentLine.slice(parser.nextNonspace).match(reSetextHeadingLine)))) {
            parser.closeUnmatchedBlocks();
            var heading = new Node('heading', container.sourcepos);
            heading.level = match[0][0] === '=' ? 1 : 2;
            heading._string_content = container._string_content;
            container.insertAfter(heading);
            container.unlink();
            parser.tip = heading;
            parser.advanceOffset(parser.currentLine.length - parser.offset, false);
            return 2;
        } else {
            return 0;
        }
    },

    // thematic break
    function(parser) {
        if (!parser.indented &&
            reThematicBreak.test(parser.currentLine.slice(parser.nextNonspace))) {
            parser.closeUnmatchedBlocks();
            parser.addChild('thematic_break', parser.nextNonspace);
            parser.advanceOffset(parser.currentLine.length - parser.offset, false);
            return 2;
        } else {
            return 0;
        }
    },

    // list item
    function(parser, container) {
        var data;

        if ((!parser.indented || container.type === 'list')
                && (data = parseListMarker(parser, container))) {
            parser.closeUnmatchedBlocks();

            // add the list if needed
            if (parser.tip.type !== 'list' ||
                !(listsMatch(container._listData, data))) {
                container = parser.addChild('list', parser.nextNonspace);
                container._listData = data;
            }

            // add the list item
            container = parser.addChild('item', parser.nextNonspace);
            container._listData = data;
            return 1;
        } else {
            return 0;
        }
    },

    // indented code block
    function(parser) {
        if (parser.indented &&
            parser.tip.type !== 'paragraph' &&
            !parser.blank) {
            // indented code
            parser.advanceOffset(CODE_INDENT, true);
            parser.closeUnmatchedBlocks();
            parser.addChild('code_block', parser.offset);
            return 2;
        } else {
            return 0;
        }
     }

];

var advanceOffset = function(count, columns) {
    var currentLine = this.currentLine;
    var charsToTab, charsToAdvance;
    var c;
    while (count > 0 && (c = currentLine[this.offset])) {
        if (c === '\t') {
            charsToTab = 4 - (this.column % 4);
            if (columns) {
                this.partiallyConsumedTab = charsToTab > count;
                charsToAdvance = charsToTab > count ? count : charsToTab;
                this.column += charsToAdvance;
                this.offset += this.partiallyConsumedTab ? 0 : 1;
                count -= charsToAdvance;
            } else {
                this.partiallyConsumedTab = false;
                this.column += charsToTab;
                this.offset += 1;
                count -= 1;
            }
        } else {
            this.partiallyConsumedTab = false;
            this.offset += 1;
            this.column += 1; // assume ascii; block starts are ascii
            count -= 1;
        }
    }
};

var advanceNextNonspace = function() {
    this.offset = this.nextNonspace;
    this.column = this.nextNonspaceColumn;
    this.partiallyConsumedTab = false;
};

var findNextNonspace = function() {
    var currentLine = this.currentLine;
    var i = this.offset;
    var cols = this.column;
    var c;

    while ((c = currentLine.charAt(i)) !== '') {
        if (c === ' ') {
            i++;
            cols++;
        } else if (c === '\t') {
            i++;
            cols += (4 - (cols % 4));
        } else {
            break;
        }
    }
    this.blank = (c === '\n' || c === '\r' || c === '');
    this.nextNonspace = i;
    this.nextNonspaceColumn = cols;
    this.indent = this.nextNonspaceColumn - this.column;
    this.indented = this.indent >= CODE_INDENT;
};

// Analyze a line of text and update the document appropriately.
// We parse markdown text by calling this on each line of input,
// then finalizing the document.
var incorporateLine = function(ln) {
    var all_matched = true;
    var t;

    var container = this.doc;
    this.oldtip = this.tip;
    this.offset = 0;
    this.column = 0;
    this.blank = false;
    this.partiallyConsumedTab = false;
    this.lineNumber += 1;

    // replace NUL characters for security
    if (ln.indexOf('\u0000') !== -1) {
        ln = ln.replace(/\0/g, '\uFFFD');
    }

    this.currentLine = ln;

    // For each containing block, try to parse the associated line start.
    // Bail out on failure: container will point to the last matching block.
    // Set all_matched to false if not all containers match.
    var lastChild;
    while ((lastChild = container._lastChild) && lastChild._open) {
        container = lastChild;

        this.findNextNonspace();

        switch (this.blocks[container.type].continue(this, container)) {
        case 0: // we've matched, keep going
            break;
        case 1: // we've failed to match a block
            all_matched = false;
            break;
        case 2: // we've hit end of line for fenced code close and can return
            this.lastLineLength = ln.length;
            return;
        default:
            throw 'continue returned illegal value, must be 0, 1, or 2';
        }
        if (!all_matched) {
            container = container._parent; // back up to last matching block
            break;
        }
    }

    this.allClosed = (container === this.oldtip);
    this.lastMatchedContainer = container;

    var matchedLeaf = container.type !== 'paragraph' &&
            blocks[container.type].acceptsLines;
    var starts = this.blockStarts;
    var startsLen = starts.length;
    // Unless last matched container is a code block, try new container starts,
    // adding children to the last matched container:
    while (!matchedLeaf) {

        this.findNextNonspace();

        // this is a little performance optimization:
        if (!this.indented &&
            !reMaybeSpecial.test(ln.slice(this.nextNonspace))) {
            this.advanceNextNonspace();
            break;
        }

        var i = 0;
        while (i < startsLen) {
            var res = starts[i](this, container);
            if (res === 1) {
                container = this.tip;
                break;
            } else if (res === 2) {
                container = this.tip;
                matchedLeaf = true;
                break;
            } else {
                i++;
            }
        }

        if (i === startsLen) { // nothing matched
            this.advanceNextNonspace();
            break;
        }
    }

    // What remains at the offset is a text line.  Add the text to the
    // appropriate container.

   // First check for a lazy paragraph continuation:
    if (!this.allClosed && !this.blank &&
        this.tip.type === 'paragraph') {
        // lazy paragraph continuation
        this.addLine();

    } else { // not a lazy continuation

        // finalize any blocks not matched
        this.closeUnmatchedBlocks();
        if (this.blank && container.lastChild) {
            container.lastChild._lastLineBlank = true;
        }

        t = container.type;

        // Block quote lines are never blank as they start with >
        // and we don't count blanks in fenced code for purposes of tight/loose
        // lists or breaking out of lists.  We also don't set _lastLineBlank
        // on an empty list item, or if we just closed a fenced block.
        var lastLineBlank = this.blank &&
            !(t === 'block_quote' ||
              (t === 'code_block' && container._isFenced) ||
              (t === 'item' &&
               !container._firstChild &&
               container.sourcepos[0][0] === this.lineNumber));

        // propagate lastLineBlank up through parents:
        var cont = container;
        while (cont) {
            cont._lastLineBlank = lastLineBlank;
            cont = cont._parent;
        }

        if (this.blocks[t].acceptsLines) {
            this.addLine();
            // if HtmlBlock, check for end condition
            if (t === 'html_block' &&
                container._htmlBlockType >= 1 &&
                container._htmlBlockType <= 5 &&
                reHtmlBlockClose[container._htmlBlockType].test(this.currentLine.slice(this.offset))) {
                this.finalize(container, this.lineNumber);
            }

        } else if (this.offset < ln.length && !this.blank) {
            // create paragraph container for line
            container = this.addChild('paragraph', this.offset);
            this.advanceNextNonspace();
            this.addLine();
        }
    }
    this.lastLineLength = ln.length;
};

// Finalize a block.  Close it and do any necessary postprocessing,
// e.g. creating string_content from strings, setting the 'tight'
// or 'loose' status of a list, and parsing the beginnings
// of paragraphs for reference definitions.  Reset the tip to the
// parent of the closed block.
var finalize = function(block, lineNumber) {
    var above = block._parent;
    block._open = false;
    block.sourcepos[1] = [lineNumber, this.lastLineLength];

    this.blocks[block.type].finalize(this, block);

    this.tip = above;
};

// Walk through a block & children recursively, parsing string content
// into inline content where appropriate.
var processInlines = function(block) {
    var node, event, t;
    var walker = block.walker();
    this.inlineParser.refmap = this.refmap;
    this.inlineParser.options = this.options;
    while ((event = walker.next())) {
        node = event.node;
        t = node.type;
        if (!event.entering && (t === 'paragraph' || t === 'heading')) {
            this.inlineParser.parse(node);
        }
    }
};

var Document = function() {
    var doc = new Node('document', [[1, 1], [0, 0]]);
    return doc;
};

// The main parsing function.  Returns a parsed document AST.
var parse = function(input) {
    this.doc = new Document();
    this.tip = this.doc;
    this.refmap = {};
    this.lineNumber = 0;
    this.lastLineLength = 0;
    this.offset = 0;
    this.column = 0;
    this.lastMatchedContainer = this.doc;
    this.currentLine = "";
    if (this.options.time) { console.time("preparing input"); }
    var lines = input.split(reLineEnding);
    var len = lines.length;
    if (input.charCodeAt(input.length - 1) === C_NEWLINE) {
        // ignore last blank line created by final newline
        len -= 1;
    }
    if (this.options.time) { console.timeEnd("preparing input"); }
    if (this.options.time) { console.time("block parsing"); }
    for (var i = 0; i < len; i++) {
        this.incorporateLine(lines[i]);
    }
    while (this.tip) {
        this.finalize(this.tip, len);
    }
    if (this.options.time) { console.timeEnd("block parsing"); }
    if (this.options.time) { console.time("inline parsing"); }
    this.processInlines(this.doc);
    if (this.options.time) { console.timeEnd("inline parsing"); }
    return this.doc;
};


// The Parser object.
function Parser(options){
    return {
        doc: new Document(),
        blocks: blocks,
        blockStarts: blockStarts,
        tip: this.doc,
        oldtip: this.doc,
        currentLine: "",
        lineNumber: 0,
        offset: 0,
        column: 0,
        nextNonspace: 0,
        nextNonspaceColumn: 0,
        indent: 0,
        indented: false,
        blank: false,
        partiallyConsumedTab: false,
        allClosed: true,
        lastMatchedContainer: this.doc,
        refmap: {},
        lastLineLength: 0,
        inlineParser: new InlineParser(options),
        findNextNonspace: findNextNonspace,
        advanceOffset: advanceOffset,
        advanceNextNonspace: advanceNextNonspace,
        addLine: addLine,
        addChild: addChild,
        incorporateLine: incorporateLine,
        finalize: finalize,
        processInlines: processInlines,
        closeUnmatchedBlocks: closeUnmatchedBlocks,
        parse: parse,
        options: options || {}
    };
}

module.exports = Parser;

},{"./common":2,"./inlines":5,"./node":6}],2:[function(require,module,exports){
"use strict";

var encode = require('mdurl/encode');
var decode = require('mdurl/decode');

var C_BACKSLASH = 92;

var decodeHTML = require('entities').decodeHTML;

var ENTITY = "&(?:#x[a-f0-9]{1,8}|#[0-9]{1,8}|[a-z][a-z0-9]{1,31});";

var TAGNAME = '[A-Za-z][A-Za-z0-9-]*';
var ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
var UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
var SINGLEQUOTEDVALUE = "'[^']*'";
var DOUBLEQUOTEDVALUE = '"[^"]*"';
var ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE + "|" + DOUBLEQUOTEDVALUE + ")";
var ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE + ")";
var ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC + "?)";
var OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
var CLOSETAG = "</" + TAGNAME + "\\s*[>]";
var HTMLCOMMENT = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->";
var PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
var DECLARATION = "<![A-Z]+" + "\\s+[^>]*>";
var CDATA = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>";
var HTMLTAG = "(?:" + OPENTAG + "|" + CLOSETAG + "|" + HTMLCOMMENT + "|" +
        PROCESSINGINSTRUCTION + "|" + DECLARATION + "|" + CDATA + ")";
var reHtmlTag = new RegExp('^' + HTMLTAG, 'i');

var reBackslashOrAmp = /[\\&]/;

var ESCAPABLE = '[!"#$%&\'()*+,./:;<=>?@[\\\\\\]^_`{|}~-]';

var reEntityOrEscapedChar = new RegExp('\\\\' + ESCAPABLE + '|' + ENTITY, 'gi');

var XMLSPECIAL = '[&<>"]';

var reXmlSpecial = new RegExp(XMLSPECIAL, 'g');

var reXmlSpecialOrEntity = new RegExp(ENTITY + '|' + XMLSPECIAL, 'gi');

var unescapeChar = function(s) {
    if (s.charCodeAt(0) === C_BACKSLASH) {
        return s.charAt(1);
    } else {
        return decodeHTML(s);
    }
};

// Replace entities and backslash escapes with literal characters.
var unescapeString = function(s) {
    if (reBackslashOrAmp.test(s)) {
        return s.replace(reEntityOrEscapedChar, unescapeChar);
    } else {
        return s;
    }
};

var normalizeURI = function(uri) {
    try {
        return encode(decode(uri));
    }
    catch(err) {
        return uri;
    }
};

var replaceUnsafeChar = function(s) {
    switch (s) {
    case '&':
        return '&amp;';
    case '<':
        return '&lt;';
    case '>':
        return '&gt;';
    case '"':
        return '&quot;';
    default:
        return s;
    }
};

var escapeXml = function(s, preserve_entities) {
    if (reXmlSpecial.test(s)) {
        if (preserve_entities) {
            return s.replace(reXmlSpecialOrEntity, replaceUnsafeChar);
        } else {
            return s.replace(reXmlSpecial, replaceUnsafeChar);
        }
    } else {
        return s;
    }
};

module.exports = { unescapeString: unescapeString,
                   normalizeURI: normalizeURI,
                   escapeXml: escapeXml,
                   reHtmlTag: reHtmlTag,
                   OPENTAG: OPENTAG,
                   CLOSETAG: CLOSETAG,
                   ENTITY: ENTITY,
                   ESCAPABLE: ESCAPABLE
                 };

},{"entities":11,"mdurl/decode":19,"mdurl/encode":20}],3:[function(require,module,exports){
"use strict";

// derived from https://github.com/mathiasbynens/String.fromCodePoint
/*! http://mths.be/fromcodepoint v0.2.1 by @mathias */
if (String.fromCodePoint) {
    module.exports = function (_) {
        try {
            return String.fromCodePoint(_);
        } catch (e) {
            if (e instanceof RangeError) {
                return String.fromCharCode(0xFFFD);
            }
            throw e;
        }
    };

} else {

  var stringFromCharCode = String.fromCharCode;
  var floor = Math.floor;
  var fromCodePoint = function() {
      var MAX_SIZE = 0x4000;
      var codeUnits = [];
      var highSurrogate;
      var lowSurrogate;
      var index = -1;
      var length = arguments.length;
      if (!length) {
          return '';
      }
      var result = '';
      while (++index < length) {
          var codePoint = Number(arguments[index]);
          if (
              !isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`
                  codePoint < 0 || // not a valid Unicode code point
                  codePoint > 0x10FFFF || // not a valid Unicode code point
                  floor(codePoint) !== codePoint // not an integer
          ) {
              return String.fromCharCode(0xFFFD);
          }
          if (codePoint <= 0xFFFF) { // BMP code point
              codeUnits.push(codePoint);
          } else { // Astral code point; split in surrogate halves
              // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
              codePoint -= 0x10000;
              highSurrogate = (codePoint >> 10) + 0xD800;
              lowSurrogate = (codePoint % 0x400) + 0xDC00;
              codeUnits.push(highSurrogate, lowSurrogate);
          }
          if (index + 1 === length || codeUnits.length > MAX_SIZE) {
              result += stringFromCharCode.apply(null, codeUnits);
              codeUnits.length = 0;
          }
      }
      return result;
  };
  module.exports = fromCodePoint;
}

},{}],4:[function(require,module,exports){
"use strict";

// commonmark.js - CommomMark in JavaScript
// Copyright (C) 2014 John MacFarlane
// License: BSD3.

// Basic usage:
//
// var commonmark = require('commonmark');
// var parser = new commonmark.Parser();
// var renderer = new commonmark.HtmlRenderer();
// console.log(renderer.render(parser.parse('Hello *world*')));

module.exports.Node = require('./node');
module.exports.Parser = require('./blocks');
module.exports.HtmlRenderer = require('./render/html');
module.exports.XmlRenderer = require('./render/xml');

},{"./blocks":1,"./node":6,"./render/html":8,"./render/xml":10}],5:[function(require,module,exports){
"use strict";

var Node = require('./node');
var common = require('./common');
var normalizeReference = require('./normalize-reference');

var normalizeURI = common.normalizeURI;
var unescapeString = common.unescapeString;
var fromCodePoint = require('./from-code-point.js');
var decodeHTML = require('entities').decodeHTML;
require('string.prototype.repeat'); // Polyfill for String.prototype.repeat

// Constants for character codes:

var C_NEWLINE = 10;
var C_ASTERISK = 42;
var C_UNDERSCORE = 95;
var C_BACKTICK = 96;
var C_OPEN_BRACKET = 91;
var C_CLOSE_BRACKET = 93;
var C_LESSTHAN = 60;
var C_BANG = 33;
var C_BACKSLASH = 92;
var C_AMPERSAND = 38;
var C_OPEN_PAREN = 40;
var C_CLOSE_PAREN = 41;
var C_COLON = 58;
var C_SINGLEQUOTE = 39;
var C_DOUBLEQUOTE = 34;

// Some regexps used in inline parser:

var ESCAPABLE = common.ESCAPABLE;
var ESCAPED_CHAR = '\\\\' + ESCAPABLE;

var ENTITY = common.ENTITY;
var reHtmlTag = common.reHtmlTag;

var rePunctuation = new RegExp(/[!"#$%&'()*+,\-./:;<=>?@\[\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/);

var reLinkTitle = new RegExp(
    '^(?:"(' + ESCAPED_CHAR + '|[^"\\x00])*"' +
        '|' +
        '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
        '|' +
        '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');

var reLinkDestinationBraces = new RegExp(
    '^(?:[<](?:[^ <>\\t\\n\\\\\\x00]' + '|' + ESCAPED_CHAR + '|' + '\\\\)*[>])');

var reEscapable = new RegExp('^' + ESCAPABLE);

var reEntityHere = new RegExp('^' + ENTITY, 'i');

var reTicks = /`+/;

var reTicksHere = /^`+/;

var reEllipses = /\.\.\./g;

var reDash = /--+/g;

var reEmailAutolink = /^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/;

var reAutolink = /^<[A-Za-z][A-Za-z0-9.+-]{1,31}:[^<>\x00-\x20]*>/i;

var reSpnl = /^ *(?:\n *)?/;

var reWhitespaceChar = /^[ \t\n\x0b\x0c\x0d]/;

var reWhitespace = /[ \t\n\x0b\x0c\x0d]+/g;

var reUnicodeWhitespaceChar = /^\s/;

var reFinalSpace = / *$/;

var reInitialSpace = /^ */;

var reSpaceAtEndOfLine = /^ *(?:\n|$)/;

var reLinkLabel = new RegExp('^\\[(?:[^\\\\\\[\\]]|' + ESCAPED_CHAR +
  '|\\\\){0,1000}\\]');

// Matches a string of non-special characters.
var reMain = /^[^\n`\[\]\\!<&*_'"]+/m;

var text = function(s) {
    var node = new Node('text');
    node._literal = s;
    return node;
};

// INLINE PARSER

// These are methods of an InlineParser object, defined below.
// An InlineParser keeps track of a subject (a string to be
// parsed) and a position in that subject.

// If re matches at current position in the subject, advance
// position in subject and return the match; otherwise return null.
var match = function(re) {
    var m = re.exec(this.subject.slice(this.pos));
    if (m === null) {
        return null;
    } else {
        this.pos += m.index + m[0].length;
        return m[0];
    }
};

// Returns the code for the character at the current subject position, or -1
// there are no more characters.
var peek = function() {
    if (this.pos < this.subject.length) {
        return this.subject.charCodeAt(this.pos);
    } else {
        return -1;
    }
};

// Parse zero or more space characters, including at most one newline
var spnl = function() {
    this.match(reSpnl);
    return true;
};

// All of the parsers below try to match something at the current position
// in the subject.  If they succeed in matching anything, they
// return the inline matched, advancing the subject.

// Attempt to parse backticks, adding either a backtick code span or a
// literal sequence of backticks.
var parseBackticks = function(block) {
    var ticks = this.match(reTicksHere);
    if (ticks === null) {
        return false;
    }
    var afterOpenTicks = this.pos;
    var matched;
    var node;
    while ((matched = this.match(reTicks)) !== null) {
        if (matched === ticks) {
            node = new Node('code');
            node._literal = this.subject.slice(afterOpenTicks,
                                        this.pos - ticks.length)
                          .trim().replace(reWhitespace, ' ');
            block.appendChild(node);
            return true;
        }
    }
    // If we got here, we didn't match a closing backtick sequence.
    this.pos = afterOpenTicks;
    block.appendChild(text(ticks));
    return true;
};

// Parse a backslash-escaped special character, adding either the escaped
// character, a hard line break (if the backslash is followed by a newline),
// or a literal backslash to the block's children.  Assumes current character
// is a backslash.
var parseBackslash = function(block) {
    var subj = this.subject;
    var node;
    this.pos += 1;
    if (this.peek() === C_NEWLINE) {
        this.pos += 1;
        node = new Node('linebreak');
        block.appendChild(node);
    } else if (reEscapable.test(subj.charAt(this.pos))) {
        block.appendChild(text(subj.charAt(this.pos)));
        this.pos += 1;
    } else {
        block.appendChild(text('\\'));
    }
    return true;
};

// Attempt to parse an autolink (URL or email in pointy brackets).
var parseAutolink = function(block) {
    var m;
    var dest;
    var node;
    if ((m = this.match(reEmailAutolink))) {
        dest = m.slice(1, m.length - 1);
        node = new Node('link');
        node._destination = normalizeURI('mailto:' + dest);
        node._title = '';
        node.appendChild(text(dest));
        block.appendChild(node);
        return true;
    } else if ((m = this.match(reAutolink))) {
        dest = m.slice(1, m.length - 1);
        node = new Node('link');
        node._destination = normalizeURI(dest);
        node._title = '';
        node.appendChild(text(dest));
        block.appendChild(node);
        return true;
    } else {
        return false;
    }
};

// Attempt to parse a raw HTML tag.
var parseHtmlTag = function(block) {
    var m = this.match(reHtmlTag);
    if (m === null) {
        return false;
    } else {
        var node = new Node('html_inline');
        node._literal = m;
        block.appendChild(node);
        return true;
    }
};

// Scan a sequence of characters with code cc, and return information about
// the number of delimiters and whether they are positioned such that
// they can open and/or close emphasis or strong emphasis.  A utility
// function for strong/emph parsing.
var scanDelims = function(cc) {
    var numdelims = 0;
    var char_before, char_after, cc_after;
    var startpos = this.pos;
    var left_flanking, right_flanking, can_open, can_close;
    var after_is_whitespace, after_is_punctuation, before_is_whitespace, before_is_punctuation;

    if (cc === C_SINGLEQUOTE || cc === C_DOUBLEQUOTE) {
        numdelims++;
        this.pos++;
    } else {
        while (this.peek() === cc) {
            numdelims++;
            this.pos++;
        }
    }

    if (numdelims === 0) {
        return null;
    }

    char_before = startpos === 0 ? '\n' : this.subject.charAt(startpos - 1);

    cc_after = this.peek();
    if (cc_after === -1) {
        char_after = '\n';
    } else {
        char_after = fromCodePoint(cc_after);
    }

    after_is_whitespace = reUnicodeWhitespaceChar.test(char_after);
    after_is_punctuation = rePunctuation.test(char_after);
    before_is_whitespace = reUnicodeWhitespaceChar.test(char_before);
    before_is_punctuation = rePunctuation.test(char_before);

    left_flanking = !after_is_whitespace &&
            (!after_is_punctuation || before_is_whitespace || before_is_punctuation);
    right_flanking = !before_is_whitespace &&
            (!before_is_punctuation || after_is_whitespace || after_is_punctuation);
    if (cc === C_UNDERSCORE) {
        can_open = left_flanking &&
            (!right_flanking || before_is_punctuation);
        can_close = right_flanking &&
            (!left_flanking || after_is_punctuation);
    } else if (cc === C_SINGLEQUOTE || cc === C_DOUBLEQUOTE) {
        can_open = left_flanking && !right_flanking;
        can_close = right_flanking;
    } else {
        can_open = left_flanking;
        can_close = right_flanking;
    }
    this.pos = startpos;
    return { numdelims: numdelims,
             can_open: can_open,
             can_close: can_close };
};

// Handle a delimiter marker for emphasis or a quote.
var handleDelim = function(cc, block) {
    var res = this.scanDelims(cc);
    if (!res) {
        return false;
    }
    var numdelims = res.numdelims;
    var startpos = this.pos;
    var contents;

    this.pos += numdelims;
    if (cc === C_SINGLEQUOTE) {
        contents = "\u2019";
    } else if (cc === C_DOUBLEQUOTE) {
        contents = "\u201C";
    } else {
        contents = this.subject.slice(startpos, this.pos);
    }
    var node = text(contents);
    block.appendChild(node);

    // Add entry to stack for this opener
    this.delimiters = { cc: cc,
                        numdelims: numdelims,
                        origdelims: numdelims,
                        node: node,
                        previous: this.delimiters,
                        next: null,
                        can_open: res.can_open,
                        can_close: res.can_close };
    if (this.delimiters.previous !== null) {
        this.delimiters.previous.next = this.delimiters;
    }

    return true;

};

var removeDelimiter = function(delim) {
    if (delim.previous !== null) {
        delim.previous.next = delim.next;
    }
    if (delim.next === null) {
        // top of stack
        this.delimiters = delim.previous;
    } else {
        delim.next.previous = delim.previous;
    }
};

var removeDelimitersBetween = function(bottom, top) {
    if (bottom.next !== top) {
        bottom.next = top;
        top.previous = bottom;
    }
};

var processEmphasis = function(stack_bottom) {
    var opener, closer, old_closer;
    var opener_inl, closer_inl;
    var tempstack;
    var use_delims;
    var tmp, next;
    var opener_found;
    var openers_bottom = [];
    var odd_match = false;

    openers_bottom[C_UNDERSCORE] = stack_bottom;
    openers_bottom[C_ASTERISK] = stack_bottom;
    openers_bottom[C_SINGLEQUOTE] = stack_bottom;
    openers_bottom[C_DOUBLEQUOTE] = stack_bottom;

    // find first closer above stack_bottom:
    closer = this.delimiters;
    while (closer !== null && closer.previous !== stack_bottom) {
        closer = closer.previous;
    }
    // move forward, looking for closers, and handling each
    while (closer !== null) {
        var closercc = closer.cc;
        if (!closer.can_close) {
            closer = closer.next;
        } else {
            // found emphasis closer. now look back for first matching opener:
            opener = closer.previous;
            opener_found = false;
            while (opener !== null && opener !== stack_bottom &&
                   opener !== openers_bottom[closercc]) {
                odd_match = (closer.can_open || opener.can_close) &&
                    (opener.origdelims + closer.origdelims) % 3 === 0;
                if (opener.cc === closer.cc && opener.can_open && !odd_match) {
                    opener_found = true;
                    break;
                }
                opener = opener.previous;
            }
            old_closer = closer;

            if (closercc === C_ASTERISK || closercc === C_UNDERSCORE) {
                if (!opener_found) {
                    closer = closer.next;
                } else {
                    // calculate actual number of delimiters used from closer
                    use_delims =
                      (closer.numdelims >= 2 && opener.numdelims >= 2) ? 2 : 1;

                    opener_inl = opener.node;
                    closer_inl = closer.node;

                    // remove used delimiters from stack elts and inlines
                    opener.numdelims -= use_delims;
                    closer.numdelims -= use_delims;
                    opener_inl._literal =
                        opener_inl._literal.slice(0,
                                                  opener_inl._literal.length - use_delims);
                    closer_inl._literal =
                        closer_inl._literal.slice(0,
                                                  closer_inl._literal.length - use_delims);

                    // build contents for new emph element
                    var emph = new Node(use_delims === 1 ? 'emph' : 'strong');

                    tmp = opener_inl._next;
                    while (tmp && tmp !== closer_inl) {
                        next = tmp._next;
                        tmp.unlink();
                        emph.appendChild(tmp);
                        tmp = next;
                    }

                    opener_inl.insertAfter(emph);

                    // remove elts between opener and closer in delimiters stack
                    removeDelimitersBetween(opener, closer);

                    // if opener has 0 delims, remove it and the inline
                    if (opener.numdelims === 0) {
                        opener_inl.unlink();
                        this.removeDelimiter(opener);
                    }

                    if (closer.numdelims === 0) {
                        closer_inl.unlink();
                        tempstack = closer.next;
                        this.removeDelimiter(closer);
                        closer = tempstack;
                    }

                }

            } else if (closercc === C_SINGLEQUOTE) {
                closer.node._literal = "\u2019";
                if (opener_found) {
                    opener.node._literal = "\u2018";
                }
                closer = closer.next;

            } else if (closercc === C_DOUBLEQUOTE) {
                closer.node._literal = "\u201D";
                if (opener_found) {
                    opener.node.literal = "\u201C";
                }
                closer = closer.next;

            }
            if (!opener_found && !odd_match) {
                // Set lower bound for future searches for openers:
                // We don't do this with odd_match because a **
                // that doesn't match an earlier * might turn into
                // an opener, and the * might be matched by something
                // else.
                openers_bottom[closercc] = old_closer.previous;
                if (!old_closer.can_open) {
                    // We can remove a closer that can't be an opener,
                    // once we've seen there's no matching opener:
                    this.removeDelimiter(old_closer);
                }
            }
        }

    }

    // remove all delimiters
    while (this.delimiters !== null && this.delimiters !== stack_bottom) {
        this.removeDelimiter(this.delimiters);
    }
};

// Attempt to parse link title (sans quotes), returning the string
// or null if no match.
var parseLinkTitle = function() {
    var title = this.match(reLinkTitle);
    if (title === null) {
        return null;
    } else {
        // chop off quotes from title and unescape:
        return unescapeString(title.substr(1, title.length - 2));
    }
};

// Attempt to parse link destination, returning the string or
// null if no match.
var parseLinkDestination = function() {
    var res = this.match(reLinkDestinationBraces);
    if (res === null) {
        // TODO handrolled parser; res should be null or the string
        var savepos = this.pos;
        var openparens = 0;
        var c;
        while ((c = this.peek()) !== -1) {
            if (c === C_BACKSLASH) {
                this.pos += 1;
                if (this.peek() !== -1) {
                    this.pos += 1;
                }
            } else if (c === C_OPEN_PAREN) {
                this.pos += 1;
                openparens += 1;
            } else if (c === C_CLOSE_PAREN) {
                if (openparens < 1) {
                    break;
                } else {
                    this.pos += 1;
                    openparens -= 1;
                }
            } else if (reWhitespaceChar.exec(fromCodePoint(c)) !== null) {
                break;
            } else {
                this.pos += 1;
            }
        }
        res = this.subject.substr(savepos, this.pos - savepos);
        return normalizeURI(unescapeString(res));
    } else {  // chop off surrounding <..>:
        return normalizeURI(unescapeString(res.substr(1, res.length - 2)));
    }
};

// Attempt to parse a link label, returning number of characters parsed.
var parseLinkLabel = function() {
    var m = this.match(reLinkLabel);
    // Note:  our regex will allow something of form [..\];
    // we disallow it here rather than using lookahead in the regex:
    if (m === null || m.length > 1001 || /[^\\]\\\]$/.exec(m)) {
        return 0;
    } else {
        return m.length;
    }
};

// Add open bracket to delimiter stack and add a text node to block's children.
var parseOpenBracket = function(block) {
    var startpos = this.pos;
    this.pos += 1;

    var node = text('[');
    block.appendChild(node);

    // Add entry to stack for this opener
    this.addBracket(node, startpos, false);
    return true;
};

// IF next character is [, and ! delimiter to delimiter stack and
// add a text node to block's children.  Otherwise just add a text node.
var parseBang = function(block) {
    var startpos = this.pos;
    this.pos += 1;
    if (this.peek() === C_OPEN_BRACKET) {
        this.pos += 1;

        var node = text('![');
        block.appendChild(node);

        // Add entry to stack for this opener
        this.addBracket(node, startpos + 1, true);
    } else {
        block.appendChild(text('!'));
    }
    return true;
};

// Try to match close bracket against an opening in the delimiter
// stack.  Add either a link or image, or a plain [ character,
// to block's children.  If there is a matching delimiter,
// remove it from the delimiter stack.
var parseCloseBracket = function(block) {
    var startpos;
    var is_image;
    var dest;
    var title;
    var matched = false;
    var reflabel;
    var opener;

    this.pos += 1;
    startpos = this.pos;

    // get last [ or ![
    opener = this.brackets;

    if (opener === null) {
        // no matched opener, just return a literal
        block.appendChild(text(']'));
        return true;
    }

    if (!opener.active) {
        // no matched opener, just return a literal
        block.appendChild(text(']'));
        // take opener off brackets stack
        this.removeBracket();
        return true;
    }

    // If we got here, open is a potential opener
    is_image = opener.image;

    // Check to see if we have a link/image

    var savepos = this.pos;

    // Inline link?
    if (this.peek() === C_OPEN_PAREN) {
        this.pos++;
        if (this.spnl() &&
            ((dest = this.parseLinkDestination()) !== null) &&
            this.spnl() &&
            // make sure there's a space before the title:
            (reWhitespaceChar.test(this.subject.charAt(this.pos - 1)) &&
             (title = this.parseLinkTitle()) || true) &&
            this.spnl() &&
            this.peek() === C_CLOSE_PAREN) {
            this.pos += 1;
            matched = true;
        } else {
            this.pos = savepos;
        }
    }

    if (!matched) {

        // Next, see if there's a link label
        var beforelabel = this.pos;
        var n = this.parseLinkLabel();
        if (n > 2) {
            reflabel = this.subject.slice(beforelabel, beforelabel + n);
        } else if (!opener.bracketAfter) {
            // Empty or missing second label means to use the first label as the reference.
            // The reference must not contain a bracket. If we know there's a bracket, we don't even bother checking it.
            reflabel = this.subject.slice(opener.index, startpos);
        }
        if (n === 0) {
            // If shortcut reference link, rewind before spaces we skipped.
            this.pos = savepos;
        }

        if (reflabel) {
            // lookup rawlabel in refmap
            var link = this.refmap[normalizeReference(reflabel)];
            if (link) {
                dest = link.destination;
                title = link.title;
                matched = true;
            }
        }
    }

    if (matched) {
        var node = new Node(is_image ? 'image' : 'link');
        node._destination = dest;
        node._title = title || '';

        var tmp, next;
        tmp = opener.node._next;
        while (tmp) {
            next = tmp._next;
            tmp.unlink();
            node.appendChild(tmp);
            tmp = next;
        }
        block.appendChild(node);
        this.processEmphasis(opener.previousDelimiter);
        this.removeBracket();
        opener.node.unlink();

        // We remove this bracket and processEmphasis will remove later delimiters.
        // Now, for a link, we also deactivate earlier link openers.
        // (no links in links)
        if (!is_image) {
          opener = this.brackets;
          while (opener !== null) {
            if (!opener.image) {
                opener.active = false; // deactivate this opener
            }
            opener = opener.previous;
          }
        }

        return true;

    } else { // no match

        this.removeBracket();  // remove this opener from stack
        this.pos = startpos;
        block.appendChild(text(']'));
        return true;
    }

};

var addBracket = function(node, index, image) {
    if (this.brackets !== null) {
        this.brackets.bracketAfter = true;
    }
    this.brackets = { node: node,
                      previous: this.brackets,
                      previousDelimiter: this.delimiters,
                      index: index,
                      image: image,
                      active: true };
};

var removeBracket = function() {
    this.brackets = this.brackets.previous;
};

// Attempt to parse an entity.
var parseEntity = function(block) {
    var m;
    if ((m = this.match(reEntityHere))) {
        block.appendChild(text(decodeHTML(m)));
        return true;
    } else {
        return false;
    }
};

// Parse a run of ordinary characters, or a single character with
// a special meaning in markdown, as a plain string.
var parseString = function(block) {
    var m;
    if ((m = this.match(reMain))) {
        if (this.options.smart) {
            block.appendChild(text(
                m.replace(reEllipses, "\u2026")
                    .replace(reDash, function(chars) {
                        var enCount = 0;
                        var emCount = 0;
                        if (chars.length % 3 === 0) { // If divisible by 3, use all em dashes
                            emCount = chars.length / 3;
                        } else if (chars.length % 2 === 0) { // If divisible by 2, use all en dashes
                            enCount = chars.length / 2;
                        } else if (chars.length % 3 === 2) { // If 2 extra dashes, use en dash for last 2; em dashes for rest
                            enCount = 1;
                            emCount = (chars.length - 2) / 3;
                        } else { // Use en dashes for last 4 hyphens; em dashes for rest
                            enCount = 2;
                            emCount = (chars.length - 4) / 3;
                        }
                        return "\u2014".repeat(emCount) + "\u2013".repeat(enCount);
                    })));
        } else {
            block.appendChild(text(m));
        }
        return true;
    } else {
        return false;
    }
};

// Parse a newline.  If it was preceded by two spaces, return a hard
// line break; otherwise a soft line break.
var parseNewline = function(block) {
    this.pos += 1; // assume we're at a \n
    // check previous node for trailing spaces
    var lastc = block._lastChild;
    if (lastc && lastc.type === 'text' && lastc._literal[lastc._literal.length - 1] === ' ') {
        var hardbreak = lastc._literal[lastc._literal.length - 2] === ' ';
        lastc._literal = lastc._literal.replace(reFinalSpace, '');
        block.appendChild(new Node(hardbreak ? 'linebreak' : 'softbreak'));
    } else {
        block.appendChild(new Node('softbreak'));
    }
    this.match(reInitialSpace); // gobble leading spaces in next line
    return true;
};

// Attempt to parse a link reference, modifying refmap.
var parseReference = function(s, refmap) {
    this.subject = s;
    this.pos = 0;
    var rawlabel;
    var dest;
    var title;
    var matchChars;
    var startpos = this.pos;

    // label:
    matchChars = this.parseLinkLabel();
    if (matchChars === 0) {
        return 0;
    } else {
        rawlabel = this.subject.substr(0, matchChars);
    }

    // colon:
    if (this.peek() === C_COLON) {
        this.pos++;
    } else {
        this.pos = startpos;
        return 0;
    }

    //  link url
    this.spnl();

    dest = this.parseLinkDestination();
    if (dest === null || dest.length === 0) {
        this.pos = startpos;
        return 0;
    }

    var beforetitle = this.pos;
    this.spnl();
    title = this.parseLinkTitle();
    if (title === null) {
        title = '';
        // rewind before spaces
        this.pos = beforetitle;
    }

    // make sure we're at line end:
    var atLineEnd = true;
    if (this.match(reSpaceAtEndOfLine) === null) {
        if (title === '') {
            atLineEnd = false;
        } else {
            // the potential title we found is not at the line end,
            // but it could still be a legal link reference if we
            // discard the title
            title = '';
            // rewind before spaces
            this.pos = beforetitle;
            // and instead check if the link URL is at the line end
            atLineEnd = this.match(reSpaceAtEndOfLine) !== null;
        }
    }

    if (!atLineEnd) {
        this.pos = startpos;
        return 0;
    }

    var normlabel = normalizeReference(rawlabel);
    if (normlabel === '') {
        // label must contain non-whitespace characters
        this.pos = startpos;
        return 0;
    }

    if (!refmap[normlabel]) {
        refmap[normlabel] = { destination: dest, title: title };
    }
    return this.pos - startpos;
};

// Parse the next inline element in subject, advancing subject position.
// On success, add the result to block's children and return true.
// On failure, return false.
var parseInline = function(block) {
    var res = false;
    var c = this.peek();
    if (c === -1) {
        return false;
    }
    switch(c) {
    case C_NEWLINE:
        res = this.parseNewline(block);
        break;
    case C_BACKSLASH:
        res = this.parseBackslash(block);
        break;
    case C_BACKTICK:
        res = this.parseBackticks(block);
        break;
    case C_ASTERISK:
    case C_UNDERSCORE:
        res = this.handleDelim(c, block);
        break;
    case C_SINGLEQUOTE:
    case C_DOUBLEQUOTE:
        res = this.options.smart && this.handleDelim(c, block);
        break;
    case C_OPEN_BRACKET:
        res = this.parseOpenBracket(block);
        break;
    case C_BANG:
        res = this.parseBang(block);
        break;
    case C_CLOSE_BRACKET:
        res = this.parseCloseBracket(block);
        break;
    case C_LESSTHAN:
        res = this.parseAutolink(block) || this.parseHtmlTag(block);
        break;
    case C_AMPERSAND:
        res = this.parseEntity(block);
        break;
    default:
        res = this.parseString(block);
        break;
    }
    if (!res) {
        this.pos += 1;
        block.appendChild(text(fromCodePoint(c)));
    }

    return true;
};

// Parse string content in block into inline children,
// using refmap to resolve references.
var parseInlines = function(block) {
    this.subject = block._string_content.trim();
    this.pos = 0;
    this.delimiters = null;
    this.brackets = null;
    while (this.parseInline(block)) {
    }
    block._string_content = null; // allow raw string to be garbage collected
    this.processEmphasis(null);
};

// The InlineParser object.
function InlineParser(options){
    return {
        subject: '',
        delimiters: null,  // used by handleDelim method
        brackets: null,
        pos: 0,
        refmap: {},
        match: match,
        peek: peek,
        spnl: spnl,
        parseBackticks: parseBackticks,
        parseBackslash: parseBackslash,
        parseAutolink: parseAutolink,
        parseHtmlTag: parseHtmlTag,
        scanDelims: scanDelims,
        handleDelim: handleDelim,
        parseLinkTitle: parseLinkTitle,
        parseLinkDestination: parseLinkDestination,
        parseLinkLabel: parseLinkLabel,
        parseOpenBracket: parseOpenBracket,
        parseBang: parseBang,
        parseCloseBracket: parseCloseBracket,
        addBracket: addBracket,
        removeBracket: removeBracket,
        parseEntity: parseEntity,
        parseString: parseString,
        parseNewline: parseNewline,
        parseReference: parseReference,
        parseInline: parseInline,
        processEmphasis: processEmphasis,
        removeDelimiter: removeDelimiter,
        options: options || {},
        parse: parseInlines
    };
}

module.exports = InlineParser;

},{"./common":2,"./from-code-point.js":3,"./node":6,"./normalize-reference":7,"entities":11,"string.prototype.repeat":21}],6:[function(require,module,exports){
"use strict";

function isContainer(node) {
    switch (node._type) {
    case 'document':
    case 'block_quote':
    case 'list':
    case 'item':
    case 'paragraph':
    case 'heading':
    case 'emph':
    case 'strong':
    case 'link':
    case 'image':
    case 'custom_inline':
    case 'custom_block':
        return true;
    default:
        return false;
    }
}

var resumeAt = function(node, entering) {
    this.current = node;
    this.entering = (entering === true);
};

var next = function(){
    var cur = this.current;
    var entering = this.entering;

    if (cur === null) {
        return null;
    }

    var container = isContainer(cur);

    if (entering && container) {
        if (cur._firstChild) {
            this.current = cur._firstChild;
            this.entering = true;
        } else {
            // stay on node but exit
            this.entering = false;
        }

    } else if (cur === this.root) {
        this.current = null;

    } else if (cur._next === null) {
        this.current = cur._parent;
        this.entering = false;

    } else {
        this.current = cur._next;
        this.entering = true;
    }

    return {entering: entering, node: cur};
};

var NodeWalker = function(root) {
    return { current: root,
             root: root,
             entering: true,
             next: next,
             resumeAt: resumeAt };
};

var Node = function(nodeType, sourcepos) {
    this._type = nodeType;
    this._parent = null;
    this._firstChild = null;
    this._lastChild = null;
    this._prev = null;
    this._next = null;
    this._sourcepos = sourcepos;
    this._lastLineBlank = false;
    this._open = true;
    this._string_content = null;
    this._literal = null;
    this._listData = {};
    this._info = null;
    this._destination = null;
    this._title = null;
    this._isFenced = false;
    this._fenceChar = null;
    this._fenceLength = 0;
    this._fenceOffset = null;
    this._level = null;
    this._onEnter = null;
    this._onExit = null;
};

var proto = Node.prototype;

Object.defineProperty(proto, 'isContainer', {
    get: function () { return isContainer(this); }
});

Object.defineProperty(proto, 'type', {
    get: function() { return this._type; }
});

Object.defineProperty(proto, 'firstChild', {
    get: function() { return this._firstChild; }
});

Object.defineProperty(proto, 'lastChild', {
    get: function() { return this._lastChild; }
});

Object.defineProperty(proto, 'next', {
    get: function() { return this._next; }
});

Object.defineProperty(proto, 'prev', {
    get: function() { return this._prev; }
});

Object.defineProperty(proto, 'parent', {
    get: function() { return this._parent; }
});

Object.defineProperty(proto, 'sourcepos', {
    get: function() { return this._sourcepos; }
});

Object.defineProperty(proto, 'literal', {
    get: function() { return this._literal; },
    set: function(s) { this._literal = s; }
});

Object.defineProperty(proto, 'destination', {
    get: function() { return this._destination; },
    set: function(s) { this._destination = s; }
});

Object.defineProperty(proto, 'title', {
    get: function() { return this._title; },
    set: function(s) { this._title = s; }
});

Object.defineProperty(proto, 'info', {
    get: function() { return this._info; },
    set: function(s) { this._info = s; }
});

Object.defineProperty(proto, 'level', {
    get: function() { return this._level; },
    set: function(s) { this._level = s; }
});

Object.defineProperty(proto, 'listType', {
    get: function() { return this._listData.type; },
    set: function(t) { this._listData.type = t; }
});

Object.defineProperty(proto, 'listTight', {
    get: function() { return this._listData.tight; },
    set: function(t) { this._listData.tight = t; }
});

Object.defineProperty(proto, 'listStart', {
    get: function() { return this._listData.start; },
    set: function(n) { this._listData.start = n; }
});

Object.defineProperty(proto, 'listDelimiter', {
    get: function() { return this._listData.delimiter; },
    set: function(delim) { this._listData.delimiter = delim; }
});

Object.defineProperty(proto, 'onEnter', {
    get: function() { return this._onEnter; },
    set: function(s) { this._onEnter = s; }
});

Object.defineProperty(proto, 'onExit', {
    get: function() { return this._onExit; },
    set: function(s) { this._onExit = s; }
});

Node.prototype.appendChild = function(child) {
    child.unlink();
    child._parent = this;
    if (this._lastChild) {
        this._lastChild._next = child;
        child._prev = this._lastChild;
        this._lastChild = child;
    } else {
        this._firstChild = child;
        this._lastChild = child;
    }
};

Node.prototype.prependChild = function(child) {
    child.unlink();
    child._parent = this;
    if (this._firstChild) {
        this._firstChild._prev = child;
        child._next = this._firstChild;
        this._firstChild = child;
    } else {
        this._firstChild = child;
        this._lastChild = child;
    }
};

Node.prototype.unlink = function() {
    if (this._prev) {
        this._prev._next = this._next;
    } else if (this._parent) {
        this._parent._firstChild = this._next;
    }
    if (this._next) {
        this._next._prev = this._prev;
    } else if (this._parent) {
        this._parent._lastChild = this._prev;
    }
    this._parent = null;
    this._next = null;
    this._prev = null;
};

Node.prototype.insertAfter = function(sibling) {
    sibling.unlink();
    sibling._next = this._next;
    if (sibling._next) {
        sibling._next._prev = sibling;
    }
    sibling._prev = this;
    this._next = sibling;
    sibling._parent = this._parent;
    if (!sibling._next) {
        sibling._parent._lastChild = sibling;
    }
};

Node.prototype.insertBefore = function(sibling) {
    sibling.unlink();
    sibling._prev = this._prev;
    if (sibling._prev) {
        sibling._prev._next = sibling;
    }
    sibling._next = this;
    this._prev = sibling;
    sibling._parent = this._parent;
    if (!sibling._prev) {
        sibling._parent._firstChild = sibling;
    }
};

Node.prototype.walker = function() {
    var walker = new NodeWalker(this);
    return walker;
};

module.exports = Node;


/* Example of use of walker:

 var walker = w.walker();
 var event;

 while (event = walker.next()) {
 console.log(event.entering, event.node.type);
 }

 */

},{}],7:[function(require,module,exports){
"use strict";

/* The bulk of this code derives from https://github.com/dmoscrop/fold-case
But in addition to case-folding, we also normalize whitespace.

fold-case is Copyright Mathias Bynens <https://mathiasbynens.be/>

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/*eslint-disable  key-spacing, comma-spacing */

var regex = /[ \t\r\n]+|[A-Z\xB5\xC0-\xD6\xD8-\xDF\u0100\u0102\u0104\u0106\u0108\u010A\u010C\u010E\u0110\u0112\u0114\u0116\u0118\u011A\u011C\u011E\u0120\u0122\u0124\u0126\u0128\u012A\u012C\u012E\u0130\u0132\u0134\u0136\u0139\u013B\u013D\u013F\u0141\u0143\u0145\u0147\u0149\u014A\u014C\u014E\u0150\u0152\u0154\u0156\u0158\u015A\u015C\u015E\u0160\u0162\u0164\u0166\u0168\u016A\u016C\u016E\u0170\u0172\u0174\u0176\u0178\u0179\u017B\u017D\u017F\u0181\u0182\u0184\u0186\u0187\u0189-\u018B\u018E-\u0191\u0193\u0194\u0196-\u0198\u019C\u019D\u019F\u01A0\u01A2\u01A4\u01A6\u01A7\u01A9\u01AC\u01AE\u01AF\u01B1-\u01B3\u01B5\u01B7\u01B8\u01BC\u01C4\u01C5\u01C7\u01C8\u01CA\u01CB\u01CD\u01CF\u01D1\u01D3\u01D5\u01D7\u01D9\u01DB\u01DE\u01E0\u01E2\u01E4\u01E6\u01E8\u01EA\u01EC\u01EE\u01F0-\u01F2\u01F4\u01F6-\u01F8\u01FA\u01FC\u01FE\u0200\u0202\u0204\u0206\u0208\u020A\u020C\u020E\u0210\u0212\u0214\u0216\u0218\u021A\u021C\u021E\u0220\u0222\u0224\u0226\u0228\u022A\u022C\u022E\u0230\u0232\u023A\u023B\u023D\u023E\u0241\u0243-\u0246\u0248\u024A\u024C\u024E\u0345\u0370\u0372\u0376\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03AB\u03B0\u03C2\u03CF-\u03D1\u03D5\u03D6\u03D8\u03DA\u03DC\u03DE\u03E0\u03E2\u03E4\u03E6\u03E8\u03EA\u03EC\u03EE\u03F0\u03F1\u03F4\u03F5\u03F7\u03F9\u03FA\u03FD-\u042F\u0460\u0462\u0464\u0466\u0468\u046A\u046C\u046E\u0470\u0472\u0474\u0476\u0478\u047A\u047C\u047E\u0480\u048A\u048C\u048E\u0490\u0492\u0494\u0496\u0498\u049A\u049C\u049E\u04A0\u04A2\u04A4\u04A6\u04A8\u04AA\u04AC\u04AE\u04B0\u04B2\u04B4\u04B6\u04B8\u04BA\u04BC\u04BE\u04C0\u04C1\u04C3\u04C5\u04C7\u04C9\u04CB\u04CD\u04D0\u04D2\u04D4\u04D6\u04D8\u04DA\u04DC\u04DE\u04E0\u04E2\u04E4\u04E6\u04E8\u04EA\u04EC\u04EE\u04F0\u04F2\u04F4\u04F6\u04F8\u04FA\u04FC\u04FE\u0500\u0502\u0504\u0506\u0508\u050A\u050C\u050E\u0510\u0512\u0514\u0516\u0518\u051A\u051C\u051E\u0520\u0522\u0524\u0526\u0528\u052A\u052C\u052E\u0531-\u0556\u0587\u10A0-\u10C5\u10C7\u10CD\u1E00\u1E02\u1E04\u1E06\u1E08\u1E0A\u1E0C\u1E0E\u1E10\u1E12\u1E14\u1E16\u1E18\u1E1A\u1E1C\u1E1E\u1E20\u1E22\u1E24\u1E26\u1E28\u1E2A\u1E2C\u1E2E\u1E30\u1E32\u1E34\u1E36\u1E38\u1E3A\u1E3C\u1E3E\u1E40\u1E42\u1E44\u1E46\u1E48\u1E4A\u1E4C\u1E4E\u1E50\u1E52\u1E54\u1E56\u1E58\u1E5A\u1E5C\u1E5E\u1E60\u1E62\u1E64\u1E66\u1E68\u1E6A\u1E6C\u1E6E\u1E70\u1E72\u1E74\u1E76\u1E78\u1E7A\u1E7C\u1E7E\u1E80\u1E82\u1E84\u1E86\u1E88\u1E8A\u1E8C\u1E8E\u1E90\u1E92\u1E94\u1E96-\u1E9B\u1E9E\u1EA0\u1EA2\u1EA4\u1EA6\u1EA8\u1EAA\u1EAC\u1EAE\u1EB0\u1EB2\u1EB4\u1EB6\u1EB8\u1EBA\u1EBC\u1EBE\u1EC0\u1EC2\u1EC4\u1EC6\u1EC8\u1ECA\u1ECC\u1ECE\u1ED0\u1ED2\u1ED4\u1ED6\u1ED8\u1EDA\u1EDC\u1EDE\u1EE0\u1EE2\u1EE4\u1EE6\u1EE8\u1EEA\u1EEC\u1EEE\u1EF0\u1EF2\u1EF4\u1EF6\u1EF8\u1EFA\u1EFC\u1EFE\u1F08-\u1F0F\u1F18-\u1F1D\u1F28-\u1F2F\u1F38-\u1F3F\u1F48-\u1F4D\u1F50\u1F52\u1F54\u1F56\u1F59\u1F5B\u1F5D\u1F5F\u1F68-\u1F6F\u1F80-\u1FAF\u1FB2-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD2\u1FD3\u1FD6-\u1FDB\u1FE2-\u1FE4\u1FE6-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2126\u212A\u212B\u2132\u2160-\u216F\u2183\u24B6-\u24CF\u2C00-\u2C2E\u2C60\u2C62-\u2C64\u2C67\u2C69\u2C6B\u2C6D-\u2C70\u2C72\u2C75\u2C7E-\u2C80\u2C82\u2C84\u2C86\u2C88\u2C8A\u2C8C\u2C8E\u2C90\u2C92\u2C94\u2C96\u2C98\u2C9A\u2C9C\u2C9E\u2CA0\u2CA2\u2CA4\u2CA6\u2CA8\u2CAA\u2CAC\u2CAE\u2CB0\u2CB2\u2CB4\u2CB6\u2CB8\u2CBA\u2CBC\u2CBE\u2CC0\u2CC2\u2CC4\u2CC6\u2CC8\u2CCA\u2CCC\u2CCE\u2CD0\u2CD2\u2CD4\u2CD6\u2CD8\u2CDA\u2CDC\u2CDE\u2CE0\u2CE2\u2CEB\u2CED\u2CF2\uA640\uA642\uA644\uA646\uA648\uA64A\uA64C\uA64E\uA650\uA652\uA654\uA656\uA658\uA65A\uA65C\uA65E\uA660\uA662\uA664\uA666\uA668\uA66A\uA66C\uA680\uA682\uA684\uA686\uA688\uA68A\uA68C\uA68E\uA690\uA692\uA694\uA696\uA698\uA69A\uA722\uA724\uA726\uA728\uA72A\uA72C\uA72E\uA732\uA734\uA736\uA738\uA73A\uA73C\uA73E\uA740\uA742\uA744\uA746\uA748\uA74A\uA74C\uA74E\uA750\uA752\uA754\uA756\uA758\uA75A\uA75C\uA75E\uA760\uA762\uA764\uA766\uA768\uA76A\uA76C\uA76E\uA779\uA77B\uA77D\uA77E\uA780\uA782\uA784\uA786\uA78B\uA78D\uA790\uA792\uA796\uA798\uA79A\uA79C\uA79E\uA7A0\uA7A2\uA7A4\uA7A6\uA7A8\uA7AA-\uA7AD\uA7B0\uA7B1\uFB00-\uFB06\uFB13-\uFB17\uFF21-\uFF3A]|\uD801[\uDC00-\uDC27]|\uD806[\uDCA0-\uDCBF]/g;

var map = 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C2':'\u2CC3','\u2CC4':'\u2CC5','\u2CC6':'\u2CC7','\u2CC8':'\u2CC9','\u2CCA':'\u2CCB','\u2CCC':'\u2CCD','\u2CCE':'\u2CCF','\u2CD0':'\u2CD1','\u2CD2':'\u2CD3','\u2CD4':'\u2CD5','\u2CD6':'\u2CD7','\u2CD8':'\u2CD9','\u2CDA':'\u2CDB','\u2CDC':'\u2CDD','\u2CDE':'\u2CDF','\u2CE0':'\u2CE1','\u2CE2':'\u2CE3','\u2CEB':'\u2CEC','\u2CED':'\u2CEE','\u2CF2':'\u2CF3','\uA640':'\uA641','\uA642':'\uA643','\uA644':'\uA645','\uA646':'\uA647','\uA648':'\uA649','\uA64A':'\uA64B','\uA64C':'\uA64D','\uA64E':'\uA64F','\uA650':'\uA651','\uA652':'\uA653','\uA654':'\uA655','\uA656':'\uA657','\uA658':'\uA659','\uA65A':'\uA65B','\uA65C':'\uA65D','\uA65E':'\uA65F','\uA660':'\uA661','\uA662':'\uA663','\uA664':'\uA665','\uA666':'\uA667','\uA668':'\uA669','\uA66A':'\uA66B','\uA66C':'\uA66D','\uA680':'\uA681','\uA682':'\uA683','\uA684':'\uA685','\uA686':'\uA687','\uA688':'\uA689','\uA68A':'\uA68B','\uA68C':'\uA68D','\uA68E':'\uA68F','\uA690':'\uA691','\uA692':'\uA693','\uA694':'\uA695','\uA696':'\uA697','\uA698':'\uA699','\uA69A':'\uA69B','\uA722':'\uA723','\uA724':'\uA725','\uA726':'\uA727','\uA728':'\uA729','\uA72A':'\uA72B','\uA72C':'\uA72D','\uA72E':'\uA72F','\uA732':'\uA733','\uA734':'\uA735','\uA736':'\uA737','\uA738':'\uA739','\uA73A':'\uA73B','\uA73C':'\uA73D','\uA73E':'\uA73F','\uA740':'\uA741','\uA742':'\uA743','\uA744':'\uA745','\uA746':'\uA747','\uA748':'\uA749','\uA74A':'\uA74B','\uA74C':'\uA74D','\uA74E':'\uA74F','\uA750':'\uA751','\uA752':'\uA753','\uA754':'\uA755','\uA756':'\uA757','\uA758':'\uA759','\uA75A':'\uA75B','\uA75C':'\uA75D','\uA75E':'\uA75F','\uA760':'\uA761','\uA762':'\uA763','\uA764':'\uA765','\uA766':'\uA767','\uA768':'\uA769','\uA76A':'\uA76B','\uA76C':'\uA76D','\uA76E':'\uA76F','\uA779':'\uA77A','\uA77B':'\uA77C','\uA77D':'\u1D79','\uA77E':'\uA77F','\uA780':'\uA781','\uA782':'\uA783','\uA784':'\uA785','\uA786':'\uA787','\uA78B':'\uA78C','\uA78D':'\u0265','\uA790':'\uA791','\uA792':'\uA793','\uA796':'\uA797','\uA798':'\uA799','\uA79A':'\uA79B','\uA79C':'\uA79D','\uA79E':'\uA79F','\uA7A0':'\uA7A1','\uA7A2':'\uA7A3','\uA7A4':'\uA7A5','\uA7A6':'\uA7A7','\uA7A8':'\uA7A9','\uA7AA':'\u0266','\uA7AB':'\u025C','\uA7AC':'\u0261','\uA7AD':'\u026C','\uA7B0':'\u029E','\uA7B1':'\u0287','\uFF21':'\uFF41','\uFF22':'\uFF42','\uFF23':'\uFF43','\uFF24':'\uFF44','\uFF25':'\uFF45','\uFF26':'\uFF46','\uFF27':'\uFF47','\uFF28':'\uFF48','\uFF29':'\uFF49','\uFF2A':'\uFF4A','\uFF2B':'\uFF4B','\uFF2C':'\uFF4C','\uFF2D':'\uFF4D','\uFF2E':'\uFF4E','\uFF2F':'\uFF4F','\uFF30':'\uFF50','\uFF31':'\uFF51','\uFF32':'\uFF52','\uFF33':'\uFF53','\uFF34':'\uFF54','\uFF35':'\uFF55','\uFF36':'\uFF56','\uFF37':'\uFF57','\uFF38':'\uFF58','\uFF39':'\uFF59','\uFF3A':'\uFF5A','\uD801\uDC00':'\uD801\uDC28','\uD801\uDC01':'\uD801\uDC29','\uD801\uDC02':'\uD801\uDC2A','\uD801\uDC03':'\uD801\uDC2B','\uD801\uDC04':'\uD801\uDC2C','\uD801\uDC05':'\uD801\uDC2D','\uD801\uDC06':'\uD801\uDC2E','\uD801\uDC07':'\uD801\uDC2F','\uD801\uDC08':'\uD801\uDC30','\uD801\uDC09':'\uD801\uDC31','\uD801\uDC0A':'\uD801\uDC32','\uD801\uDC0B':'\uD801\uDC33','\uD801\uDC0C':'\uD801\uDC34','\uD801\uDC0D':'\uD801\uDC35','\uD801\uDC0E':'\uD801\uDC36','\uD801\uDC0F':'\uD801\uDC37','\uD801\uDC10':'\uD801\uDC38','\uD801\uDC11':'\uD801\uDC39','\uD801\uDC12':'\uD801\uDC3A','\uD801\uDC13':'\uD801\uDC3B','\uD801\uDC14':'\uD801\uDC3C','\uD801\uDC15':'\uD801\uDC3D','\uD801\uDC16':'\uD801\uDC3E','\uD801\uDC17':'\uD801\uDC3F','\uD801\uDC18':'\uD801\uDC40','\uD801\uDC19':'\uD801\uDC41','\uD801\uDC1A':'\uD801\uDC42','\uD801\uDC1B':'\uD801\uDC43','\uD801\uDC1C':'\uD801\uDC44','\uD801\uDC1D':'\uD801\uDC45','\uD801\uDC1E':'\uD801\uDC46','\uD801\uDC1F':'\uD801\uDC47','\uD801\uDC20':'\uD801\uDC48','\uD801\uDC21':'\uD801\uDC49','\uD801\uDC22':'\uD801\uDC4A','\uD801\uDC23':'\uD801\uDC4B','\uD801\uDC24':'\uD801\uDC4C','\uD801\uDC25':'\uD801\uDC4D','\uD801\uDC26':'\uD801\uDC4E','\uD801\uDC27':'\uD801\uDC4F','\uD806\uDCA0':'\uD806\uDCC0','\uD806\uDCA1':'\uD806\uDCC1','\uD806\uDCA2':'\uD806\uDCC2','\uD806\uDCA3':'\uD806\uDCC3','\uD806\uDCA4':'\uD806\uDCC4','\uD806\uDCA5':'\uD806\uDCC5','\uD806\uDCA6':'\uD806\uDCC6','\uD806\uDCA7':'\uD806\uDCC7','\uD806\uDCA8':'\uD806\uDCC8','\uD806\uDCA9':'\uD806\uDCC9','\uD806\uDCAA':'\uD806\uDCCA','\uD806\uDCAB':'\uD806\uDCCB','\uD806\uDCAC':'\uD806\uDCCC','\uD806\uDCAD':'\uD806\uDCCD','\uD806\uDCAE':'\uD806\uDCCE','\uD806\uDCAF':'\uD806\uDCCF','\uD806\uDCB0':'\uD806\uDCD0','\uD806\uDCB1':'\uD806\uDCD1','\uD806\uDCB2':'\uD806\uDCD2','\uD806\uDCB3':'\uD806\uDCD3','\uD806\uDCB4':'\uD806\uDCD4','\uD806\uDCB5':'\uD806\uDCD5','\uD806\uDCB6':'\uD806\uDCD6','\uD806\uDCB7':'\uD806\uDCD7','\uD806\uDCB8':'\uD806\uDCD8','\uD806\uDCB9':'\uD806\uDCD9','\uD806\uDCBA':'\uD806\uDCDA','\uD806\uDCBB':'\uD806\uDCDB','\uD806\uDCBC':'\uD806\uDCDC','\uD806\uDCBD':'\uD806\uDCDD','\uD806\uDCBE':'\uD806\uDCDE','\uD806\uDCBF':'\uD806\uDCDF','\xDF':'ss','\u0130':'i\u0307','\u0149':'\u02BCn','\u01F0':'j\u030C','\u0390':'\u03B9\u0308\u0301','\u03B0':'\u03C5\u0308\u0301','\u0587':'\u0565\u0582','\u1E96':'h\u0331','\u1E97':'t\u0308','\u1E98':'w\u030A','\u1E99':'y\u030A','\u1E9A':'a\u02BE','\u1E9E':'ss','\u1F50':'\u03C5\u0313','\u1F52':'\u03C5\u0313\u0300','\u1F54':'\u03C5\u0313\u0301','\u1F56':'\u03C5\u0313\u0342','\u1F80':'\u1F00\u03B9','\u1F81':'\u1F01\u03B9','\u1F82':'\u1F02\u03B9','\u1F83':'\u1F03\u03B9','\u1F84':'\u1F04\u03B9','\u1F85':'\u1F05\u03B9','\u1F86':'\u1F06\u03B9','\u1F87':'\u1F07\u03B9','\u1F88':'\u1F00\u03B9','\u1F89':'\u1F01\u03B9','\u1F8A':'\u1F02\u03B9','\u1F8B':'\u1F03\u03B9','\u1F8C':'\u1F04\u03B9','\u1F8D':'\u1F05\u03B9','\u1F8E':'\u1F06\u03B9','\u1F8F':'\u1F07\u03B9','\u1F90':'\u1F20\u03B9','\u1F91':'\u1F21\u03B9','\u1F92':'\u1F22\u03B9','\u1F93':'\u1F23\u03B9','\u1F94':'\u1F24\u03B9','\u1F95':'\u1F25\u03B9','\u1F96':'\u1F26\u03B9','\u1F97':'\u1F27\u03B9','\u1F98':'\u1F20\u03B9','\u1F99':'\u1F21\u03B9','\u1F9A':'\u1F22\u03B9','\u1F9B':'\u1F23\u03B9','\u1F9C':'\u1F24\u03B9','\u1F9D':'\u1F25\u03B9','\u1F9E':'\u1F26\u03B9','\u1F9F':'\u1F27\u03B9','\u1FA0':'\u1F60\u03B9','\u1FA1':'\u1F61\u03B9','\u1FA2':'\u1F62\u03B9','\u1FA3':'\u1F63\u03B9','\u1FA4':'\u1F64\u03B9','\u1FA5':'\u1F65\u03B9','\u1FA6':'\u1F66\u03B9','\u1FA7':'\u1F67\u03B9','\u1FA8':'\u1F60\u03B9','\u1FA9':'\u1F61\u03B9','\u1FAA':'\u1F62\u03B9','\u1FAB':'\u1F63\u03B9','\u1FAC':'\u1F64\u03B9','\u1FAD':'\u1F65\u03B9','\u1FAE':'\u1F66\u03B9','\u1FAF':'\u1F67\u03B9','\u1FB2':'\u1F70\u03B9','\u1FB3':'\u03B1\u03B9','\u1FB4':'\u03AC\u03B9','\u1FB6':'\u03B1\u0342','\u1FB7':'\u03B1\u0342\u03B9','\u1FBC':'\u03B1\u03B9','\u1FC2':'\u1F74\u03B9','\u1FC3':'\u03B7\u03B9','\u1FC4':'\u03AE\u03B9','\u1FC6':'\u03B7\u0342','\u1FC7':'\u03B7\u0342\u03B9','\u1FCC':'\u03B7\u03B9','\u1FD2':'\u03B9\u0308\u0300','\u1FD3':'\u03B9\u0308\u0301','\u1FD6':'\u03B9\u0342','\u1FD7':'\u03B9\u0308\u0342','\u1FE2':'\u03C5\u0308\u0300','\u1FE3':'\u03C5\u0308\u0301','\u1FE4':'\u03C1\u0313','\u1FE6':'\u03C5\u0342','\u1FE7':'\u03C5\u0308\u0342','\u1FF2':'\u1F7C\u03B9','\u1FF3':'\u03C9\u03B9','\u1FF4':'\u03CE\u03B9','\u1FF6':'\u03C9\u0342','\u1FF7':'\u03C9\u0342\u03B9','\u1FFC':'\u03C9\u03B9','\uFB00':'ff','\uFB01':'fi','\uFB02':'fl','\uFB03':'ffi','\uFB04':'ffl','\uFB05':'st','\uFB06':'st','\uFB13':'\u0574\u0576','\uFB14':'\u0574\u0565','\uFB15':'\u0574\u056B','\uFB16':'\u057E\u0576','\uFB17':'\u0574\u056D'};

// Normalize reference label: collapse internal whitespace
// to single space, remove leading/trailing whitespace, case fold.
module.exports = function(string) {
    return string.slice(1, string.length - 1).trim().replace(regex, function($0) {
        // Note: there is no need to check `hasOwnProperty($0)` here.
        // If character not found in lookup table, it must be whitespace.
        return map[$0] || ' ';
    });
};

},{}],8:[function(require,module,exports){
"use strict";

var Renderer = require('./renderer');

var reUnsafeProtocol = /^javascript:|vbscript:|file:|data:/i;
var reSafeDataProtocol = /^data:image\/(?:png|gif|jpeg|webp)/i;

var potentiallyUnsafe = function(url) {
  return reUnsafeProtocol.test(url) &&
      !reSafeDataProtocol.test(url);
};

// Helper function to produce an HTML tag.
function tag(name, attrs, selfclosing) {
  if (this.disableTags > 0) {
    return;
  }
  this.buffer += ('<' + name);
  if (attrs && attrs.length > 0) {
    var i = 0;
    var attrib;
    while ((attrib = attrs[i]) !== undefined) {
      this.buffer += (' ' + attrib[0] + '="' + attrib[1] + '"');
      i++;
    }
  }
  if (selfclosing) {
    this.buffer += ' /';
  }
  this.buffer += '>';
  this.lastOut = '>';
}

function HtmlRenderer(options) {
  options = options || {};
  // by default, soft breaks are rendered as newlines in HTML
  options.softbreak = options.softbreak || '\n';
  // set to "<br />" to make them hard breaks
  // set to " " if you want to ignore line wrapping in source

  this.disableTags = 0;
  this.lastOut = "\n";
  this.options = options;
}

/* Node methods */

function text(node) {
  this.out(node.literal);
}

function softbreak() {
  this.lit(this.options.softbreak);
}

function linebreak() {
  this.tag('br', [], true);
  this.cr();
}

function link(node, entering) {
  var attrs = this.attrs(node);
  if (entering) {
    if (!(this.options.safe && potentiallyUnsafe(node.destination))) {
      attrs.push(['href', this.esc(node.destination, true)]);
    }
    if (node.title) {
      attrs.push(['title', this.esc(node.title, true)]);
    }
    this.tag('a', attrs);
  } else {
    this.tag('/a');
  }
}

function image(node, entering) {
  if (entering) {
    if (this.disableTags === 0) {
      if (this.options.safe && potentiallyUnsafe(node.destination)) {
        this.lit('<img src="" alt="');
      } else {
        this.lit('<img src="' + this.esc(node.destination, true) +
            '" alt="');
      }
    }
    this.disableTags += 1;
  } else {
    this.disableTags -= 1;
    if (this.disableTags === 0) {
      if (node.title) {
        this.lit('" title="' + this.esc(node.title, true));
      }
      this.lit('" />');
    }
  }
}

function emph(node, entering) {
  this.tag(entering ? 'em' : '/em');
}

function strong(node, entering) {
  this.tag(entering ? 'strong' : '/strong');
}

function paragraph(node, entering) {
  var grandparent = node.parent.parent
    , attrs = this.attrs(node);
  if (grandparent !== null &&
    grandparent.type === 'list') {
    if (grandparent.listTight) {
      return;
    }
  }
  if (entering) {
    this.cr();
    this.tag('p', attrs);
  } else {
    this.tag('/p');
    this.cr();
  }
}

function heading(node, entering) {
  var tagname = 'h' + node.level
    , attrs = this.attrs(node);
  if (entering) {
    this.cr();
    this.tag(tagname, attrs);
  } else {
    this.tag('/' + tagname);
    this.cr();
  }
}

function code(node) {
  this.tag('code');
  this.out(node.literal);
  this.tag('/code');
}

function code_block(node) {
  var info_words = node.info ? node.info.split(/\s+/) : []
    , attrs = this.attrs(node);
  if (info_words.length > 0 && info_words[0].length > 0) {
    attrs.push(['class', 'language-' + this.esc(info_words[0], true)]);
  }
  this.cr();
  this.tag('pre');
  this.tag('code', attrs);
  this.out(node.literal);
  this.tag('/code');
  this.tag('/pre');
  this.cr();
}

function thematic_break(node) {
  var attrs = this.attrs(node);
  this.cr();
  this.tag('hr', attrs, true);
  this.cr();
}

function block_quote(node, entering) {
  var attrs = this.attrs(node);
  if (entering) {
    this.cr();
    this.tag('blockquote', attrs);
    this.cr();
  } else {
    this.cr();
    this.tag('/blockquote');
    this.cr();
  }
}

function list(node, entering) {
  var tagname = node.listType === 'bullet' ? 'ul' : 'ol'
    , attrs = this.attrs(node);

  if (entering) {
    var start = node.listStart;
    if (start !== null && start !== 1) {
      attrs.push(['start', start.toString()]);
    }
    this.cr();
    this.tag(tagname, attrs);
    this.cr();
  } else {
    this.cr();
    this.tag('/' + tagname);
    this.cr();
  }
}

function item(node, entering) {
  var attrs = this.attrs(node);
  if (entering) {
    this.tag('li', attrs);
  } else {
    this.tag('/li');
    this.cr();
  }
}

function html_inline(node) {
  if (this.options.safe) {
    this.lit('<!-- raw HTML omitted -->');
  } else {
    this.lit(node.literal);
  }
}

function html_block(node) {
  this.cr();
  if (this.options.safe) {
    this.lit('<!-- raw HTML omitted -->');
  } else {
    this.lit(node.literal);
  }
  this.cr();
}

function custom_inline(node, entering) {
  if (entering && node.onEnter) {
    this.lit(node.onEnter);
  } else if (!entering && node.onExit) {
    this.lit(node.onExit);
  }
}

function custom_block(node, entering) {
  this.cr();
  if (entering && node.onEnter) {
    this.lit(node.onEnter);
  } else if (!entering && node.onExit) {
    this.lit(node.onExit);
  }
  this.cr();
}

/* Helper methods */

function out(s) {
  this.lit(this.esc(s, false));
}

function attrs (node) {
  var att = [];
  if (this.options.sourcepos) {
    var pos = node.sourcepos;
    if (pos) {
      att.push(['data-sourcepos', String(pos[0][0]) + ':' +
        String(pos[0][1]) + '-' + String(pos[1][0]) + ':' +
        String(pos[1][1])]);
    }
  }
  return att;
}

// quick browser-compatible inheritance
HtmlRenderer.prototype = Object.create(Renderer.prototype);

HtmlRenderer.prototype.text = text;
HtmlRenderer.prototype.html_inline = html_inline;
HtmlRenderer.prototype.html_block = html_block;
HtmlRenderer.prototype.softbreak = softbreak;
HtmlRenderer.prototype.linebreak = linebreak;
HtmlRenderer.prototype.link = link;
HtmlRenderer.prototype.image = image;
HtmlRenderer.prototype.emph = emph;
HtmlRenderer.prototype.strong = strong;
HtmlRenderer.prototype.paragraph = paragraph;
HtmlRenderer.prototype.heading = heading;
HtmlRenderer.prototype.code = code;
HtmlRenderer.prototype.code_block = code_block;
HtmlRenderer.prototype.thematic_break = thematic_break;
HtmlRenderer.prototype.block_quote = block_quote;
HtmlRenderer.prototype.list = list;
HtmlRenderer.prototype.item = item;
HtmlRenderer.prototype.custom_inline = custom_inline;
HtmlRenderer.prototype.custom_block = custom_block;

HtmlRenderer.prototype.esc = require('../common').escapeXml;

HtmlRenderer.prototype.out = out;
HtmlRenderer.prototype.tag = tag;
HtmlRenderer.prototype.attrs = attrs;

module.exports = HtmlRenderer;

},{"../common":2,"./renderer":9}],9:[function(require,module,exports){
"use strict";

function Renderer() {}

/**
 *  Walks the AST and calls member methods for each Node type.
 *
 *  @param ast {Node} The root of the abstract syntax tree.
 */
function render(ast) {
  var walker = ast.walker()
    , event
    , type;

  this.buffer = '';
  this.lastOut = '\n';

  while((event = walker.next())) {
    type = event.node.type;
    if (this[type]) {
      this[type](event.node, event.entering);
    }
  }
  return this.buffer;
}

/**
 *  Concatenate a literal string to the buffer.
 *
 *  @param str {String} The string to concatenate.
 */
function lit(str) {
  this.buffer += str;
  this.lastOut = str;
}

/**
 *  Output a newline to the buffer.
 */
function cr() {
  if (this.lastOut !== '\n') {
    this.lit('\n');
  }
}

/**
 *  Concatenate a string to the buffer possibly escaping the content.
 *
 *  Concrete renderer implementations should override this method.
 *
 *  @param str {String} The string to concatenate.
 */
function out(str) {
  this.lit(str);
}

/**
 *  Escape a string for the target renderer.
 *
 *  Abstract function that should be implemented by concrete 
 *  renderer implementations.
 *
 *  @param str {String} The string to escape.
 */
function esc(str) {
  return str;
}

Renderer.prototype.render = render;
Renderer.prototype.out = out;
Renderer.prototype.lit = lit;
Renderer.prototype.cr  = cr;
Renderer.prototype.esc  = esc;

module.exports = Renderer;

},{}],10:[function(require,module,exports){
"use strict";

var Renderer = require('./renderer');

var reXMLTag = /\<[^>]*\>/;

function toTagName(s) {
  return s.replace(/([a-z])([A-Z])/g, "$1_$2").toLowerCase();
}

function XmlRenderer(options) {
  options = options || {};

  this.disableTags = 0;
  this.lastOut = "\n";

  this.indentLevel = 0;
  this.indent = '  ';

  this.options = options;
}

function render(ast) {

  this.buffer = '';

  var attrs;
  var tagname;
  var walker = ast.walker();
  var event, node, entering;
  var container;
  var selfClosing;
  var nodetype;

  var options = this.options;

  if (options.time) { console.time("rendering"); }

  this.buffer += '<?xml version="1.0" encoding="UTF-8"?>\n';
  this.buffer += '<!DOCTYPE document SYSTEM "CommonMark.dtd">\n';

  while ((event = walker.next())) {
    entering = event.entering;
    node = event.node;
    nodetype = node.type;

    container = node.isContainer;

    selfClosing = nodetype === 'thematic_break'
      || nodetype === 'linebreak'
      || nodetype === 'softbreak';

    tagname = toTagName(nodetype);

    if (entering) {

        attrs = [];

        switch (nodetype) {
          case 'document':
            attrs.push(['xmlns', 'http://commonmark.org/xml/1.0']);
            break;
          case 'list':
            if (node.listType !== null) {
              attrs.push(['type', node.listType.toLowerCase()]);
            }
            if (node.listStart !== null) {
              attrs.push(['start', String(node.listStart)]);
            }
            if (node.listTight !== null) {
              attrs.push(['tight', (node.listTight ? 'true' : 'false')]);
            }
            var delim = node.listDelimiter;
            if (delim !== null) {
              var delimword = '';
              if (delim === '.') {
                delimword = 'period';
              } else {
                delimword = 'paren';
              }
              attrs.push(['delimiter', delimword]);
            }
            break;
          case 'code_block':
            if (node.info) {
              attrs.push(['info', node.info]);
            }
            break;
          case 'heading':
            attrs.push(['level', String(node.level)]);
            break;
          case 'link':
          case 'image':
            attrs.push(['destination', node.destination]);
            attrs.push(['title', node.title]);
            break;
          case 'custom_inline':
          case 'custom_block':
            attrs.push(['on_enter', node.onEnter]);
            attrs.push(['on_exit', node.onExit]);
            break;
          default:
            break;
        }
        if (options.sourcepos) {
          var pos = node.sourcepos;
          if (pos) {
            attrs.push(['sourcepos', String(pos[0][0]) + ':' +
              String(pos[0][1]) + '-' + String(pos[1][0]) + ':' +
              String(pos[1][1])]);
          }
        }

        this.cr();
        this.out(this.tag(tagname, attrs, selfClosing));
        if (container) {
          this.indentLevel += 1;
        } else if (!container && !selfClosing) {
          var lit = node.literal;
          if (lit) {
            this.out(this.esc(lit));
          }
          this.out(this.tag('/' + tagname));
        }
    } else {
      this.indentLevel -= 1;
      this.cr();
      this.out(this.tag('/' + tagname));
    }
  }
  if (options.time) { console.timeEnd("rendering"); }
  this.buffer += '\n';
  return this.buffer;
}

function out(s) {
  if(this.disableTags > 0) {
    this.buffer += s.replace(reXMLTag, '');
  }else{
    this.buffer += s;
  }
  this.lastOut = s;
}

function cr() {
  if(this.lastOut !== '\n') {
    this.buffer += '\n';
    this.lastOut = '\n';
    for(var i = this.indentLevel; i > 0; i--) {
      this.buffer += this.indent;
    }
  }
}

// Helper function to produce an XML tag.
function tag(name, attrs, selfclosing) {
  var result = '<' + name;
  if(attrs && attrs.length > 0) {
    var i = 0;
    var attrib;
    while ((attrib = attrs[i]) !== undefined) {
      result += ' ' + attrib[0] + '="' + this.esc(attrib[1]) + '"';
      i++;
    }
  }
  if(selfclosing) {
    result += ' /';
  }
  result += '>';
  return result;
}

// quick browser-compatible inheritance
XmlRenderer.prototype = Object.create(Renderer.prototype);

XmlRenderer.prototype.render = render;
XmlRenderer.prototype.out = out;
XmlRenderer.prototype.cr = cr;
XmlRenderer.prototype.tag = tag;
XmlRenderer.prototype.esc = require('../common').escapeXml;

module.exports = XmlRenderer;

},{"../common":2,"./renderer":9}],11:[function(require,module,exports){
var encode = require("./lib/encode.js"),
    decode = require("./lib/decode.js");

exports.decode = function(data, level){
	return (!level || level <= 0 ? decode.XML : decode.HTML)(data);
};

exports.decodeStrict = function(data, level){
	return (!level || level <= 0 ? decode.XML : decode.HTMLStrict)(data);
};

exports.encode = function(data, level){
	return (!level || level <= 0 ? encode.XML : encode.HTML)(data);
};

exports.encodeXML = encode.XML;

exports.encodeHTML4 =
exports.encodeHTML5 =
exports.encodeHTML  = encode.HTML;

exports.decodeXML =
exports.decodeXMLStrict = decode.XML;

exports.decodeHTML4 =
exports.decodeHTML5 =
exports.decodeHTML = decode.HTML;

exports.decodeHTML4Strict =
exports.decodeHTML5Strict =
exports.decodeHTMLStrict = decode.HTMLStrict;

exports.escape = encode.escape;

},{"./lib/decode.js":12,"./lib/encode.js":14}],12:[function(require,module,exports){
var entityMap = require("../maps/entities.json"),
    legacyMap = require("../maps/legacy.json"),
    xmlMap    = require("../maps/xml.json"),
    decodeCodePoint = require("./decode_codepoint.js");

var decodeXMLStrict  = getStrictDecoder(xmlMap),
    decodeHTMLStrict = getStrictDecoder(entityMap);

function getStrictDecoder(map){
	var keys = Object.keys(map).join("|"),
	    replace = getReplacer(map);

	keys += "|#[xX][\\da-fA-F]+|#\\d+";

	var re = new RegExp("&(?:" + keys + ");", "g");

	return function(str){
		return String(str).replace(re, replace);
	};
}

var decodeHTML = (function(){
	var legacy = Object.keys(legacyMap)
		.sort(sorter);

	var keys = Object.keys(entityMap)
		.sort(sorter);

	for(var i = 0, j = 0; i < keys.length; i++){
		if(legacy[j] === keys[i]){
			keys[i] += ";?";
			j++;
		} else {
			keys[i] += ";";
		}
	}

	var re = new RegExp("&(?:" + keys.join("|") + "|#[xX][\\da-fA-F]+;?|#\\d+;?)", "g"),
	    replace = getReplacer(entityMap);

	function replacer(str){
		if(str.substr(-1) !== ";") str += ";";
		return replace(str);
	}

	//TODO consider creating a merged map
	return function(str){
		return String(str).replace(re, replacer);
	};
}());

function sorter(a, b){
	return a < b ? 1 : -1;
}

function getReplacer(map){
	return function replace(str){
		if(str.charAt(1) === "#"){
			if(str.charAt(2) === "X" || str.charAt(2) === "x"){
				return decodeCodePoint(parseInt(str.substr(3), 16));
			}
			return decodeCodePoint(parseInt(str.substr(2), 10));
		}
		return map[str.slice(1, -1)];
	};
}

module.exports = {
	XML: decodeXMLStrict,
	HTML: decodeHTML,
	HTMLStrict: decodeHTMLStrict
};
},{"../maps/entities.json":16,"../maps/legacy.json":17,"../maps/xml.json":18,"./decode_codepoint.js":13}],13:[function(require,module,exports){
var decodeMap = require("../maps/decode.json");

module.exports = decodeCodePoint;

// modified version of https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119
function decodeCodePoint(codePoint){

	if((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF){
		return "\uFFFD";
	}

	if(codePoint in decodeMap){
		codePoint = decodeMap[codePoint];
	}

	var output = "";

	if(codePoint > 0xFFFF){
		codePoint -= 0x10000;
		output += String.fromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
		codePoint = 0xDC00 | codePoint & 0x3FF;
	}

	output += String.fromCharCode(codePoint);
	return output;
}

},{"../maps/decode.json":15}],14:[function(require,module,exports){
var inverseXML = getInverseObj(require("../maps/xml.json")),
    xmlReplacer = getInverseReplacer(inverseXML);

exports.XML = getInverse(inverseXML, xmlReplacer);

var inverseHTML = getInverseObj(require("../maps/entities.json")),
    htmlReplacer = getInverseReplacer(inverseHTML);

exports.HTML = getInverse(inverseHTML, htmlReplacer);

function getInverseObj(obj){
	return Object.keys(obj).sort().reduce(function(inverse, name){
		inverse[obj[name]] = "&" + name + ";";
		return inverse;
	}, {});
}

function getInverseReplacer(inverse){
	var single = [],
	    multiple = [];

	Object.keys(inverse).forEach(function(k){
		if(k.length === 1){
			single.push("\\" + k);
		} else {
			multiple.push(k);
		}
	});

	//TODO add ranges
	multiple.unshift("[" + single.join("") + "]");

	return new RegExp(multiple.join("|"), "g");
}

var re_nonASCII = /[^\0-\x7F]/g,
    re_astralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;

function singleCharReplacer(c){
	return "&#x" + c.charCodeAt(0).toString(16).toUpperCase() + ";";
}

function astralReplacer(c){
	// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
	var high = c.charCodeAt(0);
	var low  = c.charCodeAt(1);
	var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
	return "&#x" + codePoint.toString(16).toUpperCase() + ";";
}

function getInverse(inverse, re){
	function func(name){
		return inverse[name];
	}

	return function(data){
		return data
				.replace(re, func)
				.replace(re_astralSymbols, astralReplacer)
				.replace(re_nonASCII, singleCharReplacer);
	};
}

var re_xmlChars = getInverseReplacer(inverseXML);

function escapeXML(data){
	return data
			.replace(re_xmlChars, singleCharReplacer)
			.replace(re_astralSymbols, astralReplacer)
			.replace(re_nonASCII, singleCharReplacer);
}

exports.escape = escapeXML;

},{"../maps/entities.json":16,"../maps/xml.json":18}],15:[function(require,module,exports){
module.exports={"0":65533,"128":8364,"130":8218,"131":402,"132":8222,"133":8230,"134":8224,"135":8225,"136":710,"137":8240,"138":352,"139":8249,"140":338,"142":381,"145":8216,"146":8217,"147":8220,"148":8221,"149":8226,"150":8211,"151":8212,"152":732,"153":8482,"154":353,"155":8250,"156":339,"158":382,"159":376}
},{}],16:[function(require,module,exports){
module.exports={"Aacute":"\u00C1","aacute":"\u00E1","Abreve":"\u0102","abreve":"\u0103","ac":"\u223E","acd":"\u223F","acE":"\u223E\u0333","Acirc":"\u00C2","acirc":"\u00E2","acute":"\u00B4","Acy":"\u0410","acy":"\u0430","AElig":"\u00C6","aelig":"\u00E6","af":"\u2061","Afr":"\uD835\uDD04","afr":"\uD835\uDD1E","Agrave":"\u00C0","agrave":"\u00E0","alefsym":"\u2135","aleph":"\u2135","Alpha":"\u0391","alpha":"\u03B1","Amacr":"\u0100","amacr":"\u0101","amalg":"\u2A3F","amp":"&","AMP":"&","andand":"\u2A55","And":"\u2A53","and":"\u2227","andd":"\u2A5C","andslope":"\u2A58","andv":"\u2A5A","ang":"\u2220","ange":"\u29A4","angle":"\u2220","angmsdaa":"\u29A8","angmsdab":"\u29A9","angmsdac":"\u29AA","angmsdad":"\u29AB","angmsdae":"\u29AC","angmsdaf":"\u29AD","angmsdag":"\u29AE","angmsdah":"\u29AF","angmsd":"\u2221","angrt":"\u221F","angrtvb":"\u22BE","angrtvbd":"\u299D","angsph":"\u2222","angst":"\u00C5","angzarr":"\u237C","Aogon":"\u0104","aogon":"\u0105","Aopf":"\uD835\uDD38","aopf":"\uD835\uDD52","apacir":"\u2A6F","ap":"\u2248","apE":"\u2A70","ape":"\u224A","apid":"\u224B","apos":"'","ApplyFunction":"\u2061","approx":"\u2248","approxeq":"\u224A","Aring":"\u00C5","aring":"\u00E5","Ascr":"\uD835\uDC9C","ascr":"\uD835\uDCB6","Assign":"\u2254","ast":"*","asymp":"\u2248","asympeq":"\u224D","Atilde":"\u00C3","atilde":"\u00E3","Auml":"\u00C4","auml":"\u00E4","awconint":"\u2233","awint":"\u2A11","backcong":"\u224C","backepsilon":"\u03F6","backprime":"\u2035","backsim":"\u223D","backsimeq":"\u22CD","Backslash":"\u2216","Barv":"\u2AE7","barvee":"\u22BD","barwed":"\u2305","Barwed":"\u2306","barwedge":"\u2305","bbrk":"\u23B5","bbrktbrk":"\u23B6","bcong":"\u224C","Bcy":"\u0411","bcy":"\u0431","bdquo":"\u201E","becaus":"\u2235","because":"\u2235","Because":"\u2235","bemptyv":"\u29B0","bepsi":"\u03F6","bernou":"\u212C","Bernoullis":"\u212C","Beta":"\u0392","beta":"\u03B2","beth":"\u2136","between":"\u226C","Bfr":"\uD835\uDD05","bfr":"\uD835\uDD1F","bigcap":"\u22C2","bigcirc":"\u25EF","bigcup":"\u22C3","bigodot":"\u2A00","bigoplus":"\u2A01","bigotimes":"\u2A02","bigsqcup":"\u2A06","bigstar":"\u2605","bigtriangledown":"\u25BD","bigtriangleup":"\u25B3","biguplus":"\u2A04","bigvee":"\u22C1","bigwedge":"\u22C0","bkarow":"\u290D","blacklozenge":"\u29EB","blacksquare":"\u25AA","blacktriangle":"\u25B4","blacktriangledown":"\u25BE","blacktriangleleft":"\u25C2","blacktriangleright":"\u25B8","blank":"\u2423","blk12":"\u2592","blk14":"\u2591","blk34":"\u2593","block":"\u2588","bne":"=\u20E5","bnequiv":"\u2261\u20E5","bNot":"\u2AED","bnot":"\u2310","Bopf":"\uD835\uDD39","bopf":"\uD835\uDD53","bot":"\u22A5","bottom":"\u22A5","bowtie":"\u22C8","boxbox":"\u29C9","boxdl":"\u2510","boxdL":"\u2555","boxDl":"\u2556","boxDL":"\u2557","boxdr":"\u250C","boxdR":"\u2552","boxDr":"\u2553","boxDR":"\u2554","boxh":"\u2500","boxH":"\u2550","boxhd":"\u252C","boxHd":"\u2564","boxhD":"\u2565","boxHD":"\u2566","boxhu":"\u2534","boxHu":"\u2567","boxhU":"\u2568","boxHU":"\u2569","boxminus":"\u229F","boxplus":"\u229E","boxtimes":"\u22A0","boxul":"\u2518","boxuL":"\u255B","boxUl":"\u255C","boxUL":"\u255D","boxur":"\u2514","boxuR":"\u2558","boxUr":"\u2559","boxUR":"\u255A","boxv":"\u2502","boxV":"\u2551","boxvh":"\u253C","boxvH":"\u256A","boxVh":"\u256B","boxVH":"\u256C","boxvl":"\u2524","boxvL":"\u2561","boxVl":"\u2562","boxVL":"\u2563","boxvr":"\u251C","boxvR":"\u255E","boxVr":"\u255F","boxVR":"\u2560","bprime":"\u2035","breve":"\u02D8","Breve":"\u02D8","brvbar":"\u00A6","bscr":"\uD835\uDCB7","Bscr":"\u212C","bsemi":"\u204F","bsim":"\u223D","bsime":"\u22CD","bsolb":"\u29C5","bsol":"\\","bsolhsub":"\u27C8","bull":"\u2022","bullet":"\u2022","bump":"\u224E","bumpE":"\u2AAE","bumpe":"\u224F","Bumpeq":"\u224E","bumpeq":"\u224F","Cacute":"\u0106","cacute":"\u0107","capand":"\u2A44","capbrcup":"\u2A49","capcap":"\u2A4B","cap":"\u2229","Cap":"\u22D2","capcup":"\u2A47","capdot":"\u2A40","CapitalDifferentialD":"\u2145","caps":"\u2229\uFE00","caret":"\u2041","caron":"\u02C7","Cayleys":"\u212D","ccaps":"\u2A4D","Ccaron":"\u010C","ccaron":"\u010D","Ccedil":"\u00C7","ccedil":"\u00E7","Ccirc":"\u0108","ccirc":"\u0109","Cconint":"\u2230","ccups":"\u2A4C","ccupssm":"\u2A50","Cdot":"\u010A","cdot":"\u010B","cedil":"\u00B8","Cedilla":"\u00B8","cemptyv":"\u29B2","cent":"\u00A2","centerdot":"\u00B7","CenterDot":"\u00B7","cfr":"\uD835\uDD20","Cfr":"\u212D","CHcy":"\u0427","chcy":"\u0447","check":"\u2713","checkmark":"\u2713","Chi":"\u03A7","chi":"\u03C7","circ":"\u02C6","circeq":"\u2257","circlearrowleft":"\u21BA","circlearrowright":"\u21BB","circledast":"\u229B","circledcirc":"\u229A","circleddash":"\u229D","CircleDot":"\u2299","circledR":"\u00AE","circledS":"\u24C8","CircleMinus":"\u2296","CirclePlus":"\u2295","CircleTimes":"\u2297","cir":"\u25CB","cirE":"\u29C3","cire":"\u2257","cirfnint":"\u2A10","cirmid":"\u2AEF","cirscir":"\u29C2","ClockwiseContourIntegral":"\u2232","CloseCurlyDoubleQuote":"\u201D","CloseCurlyQuote":"\u2019","clubs":"\u2663","clubsuit":"\u2663","colon":":","Colon":"\u2237","Colone":"\u2A74","colone":"\u2254","coloneq":"\u2254","comma":",","commat":"@","comp":"\u2201","compfn":"\u2218","complement":"\u2201","complexes":"\u2102","cong":"\u2245","congdot":"\u2A6D","Congruent":"\u2261","conint":"\u222E","Conint":"\u222F","ContourIntegral":"\u222E","copf":"\uD835\uDD54","Copf":"\u2102","coprod":"\u2210","Coproduct":"\u2210","copy":"\u00A9","COPY":"\u00A9","copysr":"\u2117","CounterClockwiseContourIntegral":"\u2233","crarr":"\u21B5","cross":"\u2717","Cross":"\u2A2F","Cscr":"\uD835\uDC9E","cscr":"\uD835\uDCB8","csub":"\u2ACF","csube":"\u2AD1","csup":"\u2AD0","csupe":"\u2AD2","ctdot":"\u22EF","cudarrl":"\u2938","cudarrr":"\u2935","cuepr":"\u22DE","cuesc":"\u22DF","cularr":"\u21B6","cularrp":"\u293D","cupbrcap":"\u2A48","cupcap":"\u2A46","CupCap":"\u224D","cup":"\u222A","Cup":"\u22D3","cupcup":"\u2A4A","cupdot":"\u228D","cupor":"\u2A45","cups":"\u222A\uFE00","curarr":"\u21B7","curarrm":"\u293C","curlyeqprec":"\u22DE","curlyeqsucc":"\u22DF","curlyvee":"\u22CE","curlywedge":"\u22CF","curren":"\u00A4","curvearrowleft":"\u21B6","curvearrowright":"\u21B7","cuvee":"\u22CE","cuwed":"\u22CF","cwconint":"\u2232","cwint":"\u2231","cylcty":"\u232D","dagger":"\u2020","Dagger":"\u2021","daleth":"\u2138","darr":"\u2193","Darr":"\u21A1","dArr":"\u21D3","dash":"\u2010","Dashv":"\u2AE4","dashv":"\u22A3","dbkarow":"\u290F","dblac":"\u02DD","Dcaron":"\u010E","dcaron":"\u010F","Dcy":"\u0414","dcy":"\u0434","ddagger":"\u2021","ddarr":"\u21CA","DD":"\u2145","dd":"\u2146","DDotrahd":"\u2911","ddotseq":"\u2A77","deg":"\u00B0","Del":"\u2207","Delta":"\u0394","delta":"\u03B4","demptyv":"\u29B1","dfisht":"\u297F","Dfr":"\uD835\uDD07","dfr":"\uD835\uDD21","dHar":"\u2965","dharl":"\u21C3","dharr":"\u21C2","DiacriticalAcute":"\u00B4","DiacriticalDot":"\u02D9","DiacriticalDoubleAcute":"\u02DD","DiacriticalGrave":"`","DiacriticalTilde":"\u02DC","diam":"\u22C4","diamond":"\u22C4","Diamond":"\u22C4","diamondsuit":"\u2666","diams":"\u2666","die":"\u00A8","DifferentialD":"\u2146","digamma":"\u03DD","disin":"\u22F2","div":"\u00F7","divide":"\u00F7","divideontimes":"\u22C7","divonx":"\u22C7","DJcy":"\u0402","djcy":"\u0452","dlcorn":"\u231E","dlcrop":"\u230D","dollar":"$","Dopf":"\uD835\uDD3B","dopf":"\uD835\uDD55","Dot":"\u00A8","dot":"\u02D9","DotDot":"\u20DC","doteq":"\u2250","doteqdot":"\u2251","DotEqual":"\u2250","dotminus":"\u2238","dotplus":"\u2214","dotsquare":"\u22A1","doublebarwedge":"\u2306","DoubleContourIntegral":"\u222F","DoubleDot":"\u00A8","DoubleDownArrow":"\u21D3","DoubleLeftArrow":"\u21D0","DoubleLeftRightArrow":"\u21D4","DoubleLeftTee":"\u2AE4","DoubleLongLeftArrow":"\u27F8","DoubleLongLeftRightArrow":"\u27FA","DoubleLongRightArrow":"\u27F9","DoubleRightArrow":"\u21D2","DoubleRightTee":"\u22A8","DoubleUpArrow":"\u21D1","DoubleUpDownArrow":"\u21D5","DoubleVerticalBar":"\u2225","DownArrowBar":"\u2913","downarrow":"\u2193","DownArrow":"\u2193","Downarrow":"\u21D3","DownArrowUpArrow":"\u21F5","DownBreve":"\u0311","downdownarrows":"\u21CA","downharpoonleft":"\u21C3","downharpoonright":"\u21C2","DownLeftRightVector":"\u2950","DownLeftTeeVector":"\u295E","DownLeftVectorBar":"\u2956","DownLeftVector":"\u21BD","DownRightTeeVector":"\u295F","DownRightVectorBar":"\u2957","DownRightVector":"\u21C1","DownTeeArrow":"\u21A7","DownTee":"\u22A4","drbkarow":"\u2910","drcorn":"\u231F","drcrop":"\u230C","Dscr":"\uD835\uDC9F","dscr":"\uD835\uDCB9","DScy":"\u0405","dscy":"\u0455","dsol":"\u29F6","Dstrok":"\u0110","dstrok":"\u0111","dtdot":"\u22F1","dtri":"\u25BF","dtrif":"\u25BE","duarr":"\u21F5","duhar":"\u296F","dwangle":"\u29A6","DZcy":"\u040F","dzcy":"\u045F","dzigrarr":"\u27FF","Eacute":"\u00C9","eacute":"\u00E9","easter":"\u2A6E","Ecaron":"\u011A","ecaron":"\u011B","Ecirc":"\u00CA","ecirc":"\u00EA","ecir":"\u2256","ecolon":"\u2255","Ecy":"\u042D","ecy":"\u044D","eDDot":"\u2A77","Edot":"\u0116","edot":"\u0117","eDot":"\u2251","ee":"\u2147","efDot":"\u2252","Efr":"\uD835\uDD08","efr":"\uD835\uDD22","eg":"\u2A9A","Egrave":"\u00C8","egrave":"\u00E8","egs":"\u2A96","egsdot":"\u2A98","el":"\u2A99","Element":"\u2208","elinters":"\u23E7","ell":"\u2113","els":"\u2A95","elsdot":"\u2A97","Emacr":"\u0112","emacr":"\u0113","empty":"\u2205","emptyset":"\u2205","EmptySmallSquare":"\u25FB","emptyv":"\u2205","EmptyVerySmallSquare":"\u25AB","emsp13":"\u2004","emsp14":"\u2005","emsp":"\u2003","ENG":"\u014A","eng":"\u014B","ensp":"\u2002","Eogon":"\u0118","eogon":"\u0119","Eopf":"\uD835\uDD3C","eopf":"\uD835\uDD56","epar":"\u22D5","eparsl":"\u29E3","eplus":"\u2A71","epsi":"\u03B5","Epsilon":"\u0395","epsilon":"\u03B5","epsiv":"\u03F5","eqcirc":"\u2256","eqcolon":"\u2255","eqsim":"\u2242","eqslantgtr":"\u2A96","eqslantless":"\u2A95","Equal":"\u2A75","equals":"=","EqualTilde":"\u2242","equest":"\u225F","Equilibrium":"\u21CC","equiv":"\u2261","equivDD":"\u2A78","eqvparsl":"\u29E5","erarr":"\u2971","erDot":"\u2253","escr":"\u212F","Escr":"\u2130","esdot":"\u2250","Esim":"\u2A73","esim":"\u2242","Eta":"\u0397","eta":"\u03B7","ETH":"\u00D0","eth":"\u00F0","Euml":"\u00CB","euml":"\u00EB","euro":"\u20AC","excl":"!","exist":"\u2203","Exists":"\u2203","expectation":"\u2130","exponentiale":"\u2147","ExponentialE":"\u2147","fallingdotseq":"\u2252","Fcy":"\u0424","fcy":"\u0444","female":"\u2640","ffilig":"\uFB03","fflig":"\uFB00","ffllig":"\uFB04","Ffr":"\uD835\uDD09","ffr":"\uD835\uDD23","filig":"\uFB01","FilledSmallSquare":"\u25FC","FilledVerySmallSquare":"\u25AA","fjlig":"fj","flat":"\u266D","fllig":"\uFB02","fltns":"\u25B1","fnof":"\u0192","Fopf":"\uD835\uDD3D","fopf":"\uD835\uDD57","forall":"\u2200","ForAll":"\u2200","fork":"\u22D4","forkv":"\u2AD9","Fouriertrf":"\u2131","fpartint":"\u2A0D","frac12":"\u00BD","frac13":"\u2153","frac14":"\u00BC","frac15":"\u2155","frac16":"\u2159","frac18":"\u215B","frac23":"\u2154","frac25":"\u2156","frac34":"\u00BE","frac35":"\u2157","frac38":"\u215C","frac45":"\u2158","frac56":"\u215A","frac58":"\u215D","frac78":"\u215E","frasl":"\u2044","frown":"\u2322","fscr":"\uD835\uDCBB","Fscr":"\u2131","gacute":"\u01F5","Gamma":"\u0393","gamma":"\u03B3","Gammad":"\u03DC","gammad":"\u03DD","gap":"\u2A86","Gbreve":"\u011E","gbreve":"\u011F","Gcedil":"\u0122","Gcirc":"\u011C","gcirc":"\u011D","Gcy":"\u0413","gcy":"\u0433","Gdot":"\u0120","gdot":"\u0121","ge":"\u2265","gE":"\u2267","gEl":"\u2A8C","gel":"\u22DB","geq":"\u2265","geqq":"\u2267","geqslant":"\u2A7E","gescc":"\u2AA9","ges":"\u2A7E","gesdot":"\u2A80","gesdoto":"\u2A82","gesdotol":"\u2A84","gesl":"\u22DB\uFE00","gesles":"\u2A94","Gfr":"\uD835\uDD0A","gfr":"\uD835\uDD24","gg":"\u226B","Gg":"\u22D9","ggg":"\u22D9","gimel":"\u2137","GJcy":"\u0403","gjcy":"\u0453","gla":"\u2AA5","gl":"\u2277","glE":"\u2A92","glj":"\u2AA4","gnap":"\u2A8A","gnapprox":"\u2A8A","gne":"\u2A88","gnE":"\u2269","gneq":"\u2A88","gneqq":"\u2269","gnsim":"\u22E7","Gopf":"\uD835\uDD3E","gopf":"\uD835\uDD58","grave":"`","GreaterEqual":"\u2265","GreaterEqualLess":"\u22DB","GreaterFullEqual":"\u2267","GreaterGreater":"\u2AA2","GreaterLess":"\u2277","GreaterSlantEqual":"\u2A7E","GreaterTilde":"\u2273","Gscr":"\uD835\uDCA2","gscr":"\u210A","gsim":"\u2273","gsime":"\u2A8E","gsiml":"\u2A90","gtcc":"\u2AA7","gtcir":"\u2A7A","gt":">","GT":">","Gt":"\u226B","gtdot":"\u22D7","gtlPar":"\u2995","gtquest":"\u2A7C","gtrapprox":"\u2A86","gtrarr":"\u2978","gtrdot":"\u22D7","gtreqless":"\u22DB","gtreqqless":"\u2A8C","gtrless":"\u2277","gtrsim":"\u2273","gvertneqq":"\u2269\uFE00","gvnE":"\u2269\uFE00","Hacek":"\u02C7","hairsp":"\u200A","half":"\u00BD","hamilt":"\u210B","HARDcy":"\u042A","hardcy":"\u044A","harrcir":"\u2948","harr":"\u2194","hArr":"\u21D4","harrw":"\u21AD","Hat":"^","hbar":"\u210F","Hcirc":"\u0124","hcirc":"\u0125","hearts":"\u2665","heartsuit":"\u2665","hellip":"\u2026","hercon":"\u22B9","hfr":"\uD835\uDD25","Hfr":"\u210C","HilbertSpace":"\u210B","hksearow":"\u2925","hkswarow":"\u2926","hoarr":"\u21FF","homtht":"\u223B","hookleftarrow":"\u21A9","hookrightarrow":"\u21AA","hopf":"\uD835\uDD59","Hopf":"\u210D","horbar":"\u2015","HorizontalLine":"\u2500","hscr":"\uD835\uDCBD","Hscr":"\u210B","hslash":"\u210F","Hstrok":"\u0126","hstrok":"\u0127","HumpDownHump":"\u224E","HumpEqual":"\u224F","hybull":"\u2043","hyphen":"\u2010","Iacute":"\u00CD","iacute":"\u00ED","ic":"\u2063","Icirc":"\u00CE","icirc":"\u00EE","Icy":"\u0418","icy":"\u0438","Idot":"\u0130","IEcy":"\u0415","iecy":"\u0435","iexcl":"\u00A1","iff":"\u21D4","ifr":"\uD835\uDD26","Ifr":"\u2111","Igrave":"\u00CC","igrave":"\u00EC","ii":"\u2148","iiiint":"\u2A0C","iiint":"\u222D","iinfin":"\u29DC","iiota":"\u2129","IJlig":"\u0132","ijlig":"\u0133","Imacr":"\u012A","imacr":"\u012B","image":"\u2111","ImaginaryI":"\u2148","imagline":"\u2110","imagpart":"\u2111","imath":"\u0131","Im":"\u2111","imof":"\u22B7","imped":"\u01B5","Implies":"\u21D2","incare":"\u2105","in":"\u2208","infin":"\u221E","infintie":"\u29DD","inodot":"\u0131","intcal":"\u22BA","int":"\u222B","Int":"\u222C","integers":"\u2124","Integral":"\u222B","intercal":"\u22BA","Intersection":"\u22C2","intlarhk":"\u2A17","intprod":"\u2A3C","InvisibleComma":"\u2063","InvisibleTimes":"\u2062","IOcy":"\u0401","iocy":"\u0451","Iogon":"\u012E","iogon":"\u012F","Iopf":"\uD835\uDD40","iopf":"\uD835\uDD5A","Iota":"\u0399","iota":"\u03B9","iprod":"\u2A3C","iquest":"\u00BF","iscr":"\uD835\uDCBE","Iscr":"\u2110","isin":"\u2208","isindot":"\u22F5","isinE":"\u22F9","isins":"\u22F4","isinsv":"\u22F3","isinv":"\u2208","it":"\u2062","Itilde":"\u0128","itilde":"\u0129","Iukcy":"\u0406","iukcy":"\u0456","Iuml":"\u00CF","iuml":"\u00EF","Jcirc":"\u0134","jcirc":"\u0135","Jcy":"\u0419","jcy":"\u0439","Jfr":"\uD835\uDD0D","jfr":"\uD835\uDD27","jmath":"\u0237","Jopf":"\uD835\uDD41","jopf":"\uD835\uDD5B","Jscr":"\uD835\uDCA5","jscr":"\uD835\uDCBF","Jsercy":"\u0408","jsercy":"\u0458","Jukcy":"\u0404","jukcy":"\u0454","Kappa":"\u039A","kappa":"\u03BA","kappav":"\u03F0","Kcedil":"\u0136","kcedil":"\u0137","Kcy":"\u041A","kcy":"\u043A","Kfr":"\uD835\uDD0E","kfr":"\uD835\uDD28","kgreen":"\u0138","KHcy":"\u0425","khcy":"\u0445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2","nvlt":"<\u20D2","nvltrie":"\u22B4\u20D2","nvrArr":"\u2903","nvrtrie":"\u22B5\u20D2","nvsim":"\u223C\u20D2","nwarhk":"\u2923","nwarr":"\u2196","nwArr":"\u21D6","nwarrow":"\u2196","nwnear":"\u2927","Oacute":"\u00D3","oacute":"\u00F3","oast":"\u229B","Ocirc":"\u00D4","ocirc":"\u00F4","ocir":"\u229A","Ocy":"\u041E","ocy":"\u043E","odash":"\u229D","Odblac":"\u0150","odblac":"\u0151","odiv":"\u2A38","odot":"\u2299","odsold":"\u29BC","OElig":"\u0152","oelig":"\u0153","ofcir":"\u29BF","Ofr":"\uD835\uDD12","ofr":"\uD835\uDD2C","ogon":"\u02DB","Ograve":"\u00D2","ograve":"\u00F2","ogt":"\u29C1","ohbar":"\u29B5","ohm":"\u03A9","oint":"\u222E","olarr":"\u21BA","olcir":"\u29BE","olcross":"\u29BB","oline":"\u203E","olt":"\u29C0","Omacr":"\u014C","omacr":"\u014D","Omega":"\u03A9","omega":"\u03C9","Omicron":"\u039F","omicron":"\u03BF","omid":"\u29B6","ominus":"\u2296","Oopf":"\uD835\uDD46","oopf":"\uD835\uDD60","opar":"\u29B7","OpenCurlyDoubleQuote":"\u201C","OpenCurlyQuote":"\u2018","operp":"\u29B9","oplus":"\u2295","orarr":"\u21BB","Or":"\u2A54","or":"\u2228","ord":"\u2A5D","order":"\u2134","orderof":"\u2134","ordf":"\u00AA","ordm":"\u00BA","origof":"\u22B6","oror":"\u2A56","orslope":"\u2A57","orv":"\u2A5B","oS":"\u24C8","Oscr":"\uD835\uDCAA","oscr":"\u2134","Oslash":"\u00D8","oslash":"\u00F8","osol":"\u2298","Otilde":"\u00D5","otilde":"\u00F5","otimesas":"\u2A36","Otimes":"\u2A37","otimes":"\u2297","Ouml":"\u00D6","ouml":"\u00F6","ovbar":"\u233D","OverBar":"\u203E","OverBrace":"\u23DE","OverBracket":"\u23B4","OverParenthesis":"\u23DC","para":"\u00B6","parallel":"\u2225","par":"\u2225","parsim":"\u2AF3","parsl":"\u2AFD","part":"\u2202","PartialD":"\u2202","Pcy":"\u041F","pcy":"\u043F","percnt":"%","period":".","permil":"\u2030","perp":"\u22A5","pertenk":"\u2031","Pfr":"\uD835\uDD13","pfr":"\uD835\uDD2D","Phi":"\u03A6","phi":"\u03C6","phiv":"\u03D5","phmmat":"\u2133","phone":"\u260E","Pi":"\u03A0","pi":"\u03C0","pitchfork":"\u22D4","piv":"\u03D6","planck":"\u210F","planckh":"\u210E","plankv":"\u210F","plusacir":"\u2A23","plusb":"\u229E","pluscir":"\u2A22","plus":"+","plusdo":"\u2214","plusdu":"\u2A25","pluse":"\u2A72","PlusMinus":"\u00B1","plusmn":"\u00B1","plussim":"\u2A26","plustwo":"\u2A27","pm":"\u00B1","Poincareplane":"\u210C","pointint":"\u2A15","popf":"\uD835\uDD61","Popf":"\u2119","pound":"\u00A3","prap":"\u2AB7","Pr":"\u2ABB","pr":"\u227A","prcue":"\u227C","precapprox":"\u2AB7","prec":"\u227A","preccurlyeq":"\u227C","Precedes":"\u227A","PrecedesEqual":"\u2AAF","PrecedesSlantEqual":"\u227C","PrecedesTilde":"\u227E","preceq":"\u2AAF","precnapprox":"\u2AB9","precneqq":"\u2AB5","precnsim":"\u22E8","pre":"\u2AAF","prE":"\u2AB3","precsim":"\u227E","prime":"\u2032","Prime":"\u2033","primes":"\u2119","prnap":"\u2AB9","prnE":"\u2AB5","prnsim":"\u22E8","prod":"\u220F","Product":"\u220F","profalar":"\u232E","profline":"\u2312","profsurf":"\u2313","prop":"\u221D","Proportional":"\u221D","Proportion":"\u2237","propto":"\u221D","prsim":"\u227E","prurel":"\u22B0","Pscr":"\uD835\uDCAB","pscr":"\uD835\uDCC5","Psi":"\u03A8","psi":"\u03C8","puncsp":"\u2008","Qfr":"\uD835\uDD14","qfr":"\uD835\uDD2E","qint":"\u2A0C","qopf":"\uD835\uDD62","Qopf":"\u211A","qprime":"\u2057","Qscr":"\uD835\uDCAC","qscr":"\uD835\uDCC6","quaternions":"\u210D","quatint":"\u2A16","quest":"?","questeq":"\u225F","quot":"\"","QUOT":"\"","rAarr":"\u21DB","race":"\u223D\u0331","Racute":"\u0154","racute":"\u0155","radic":"\u221A","raemptyv":"\u29B3","rang":"\u27E9","Rang":"\u27EB","rangd":"\u2992","range":"\u29A5","rangle":"\u27E9","raquo":"\u00BB","rarrap":"\u2975","rarrb":"\u21E5","rarrbfs":"\u2920","rarrc":"\u2933","rarr":"\u2192","Rarr":"\u21A0","rArr":"\u21D2","rarrfs":"\u291E","rarrhk":"\u21AA","rarrlp":"\u21AC","rarrpl":"\u2945","rarrsim":"\u2974","Rarrtl":"\u2916","rarrtl":"\u21A3","rarrw":"\u219D","ratail":"\u291A","rAtail":"\u291C","ratio":"\u2236","rationals":"\u211A","rbarr":"\u290D","rBarr":"\u290F","RBarr":"\u2910","rbbrk":"\u2773","rbrace":"}","rbrack":"]","rbrke":"\u298C","rbrksld":"\u298E","rbrkslu":"\u2990","Rcaron":"\u0158","rcaron":"\u0159","Rcedil":"\u0156","rcedil":"\u0157","rceil":"\u2309","rcub":"}","Rcy":"\u0420","rcy":"\u0440","rdca":"\u2937","rdldhar":"\u2969","rdquo":"\u201D","rdquor":"\u201D","rdsh":"\u21B3","real":"\u211C","realine":"\u211B","realpart":"\u211C","reals":"\u211D","Re":"\u211C","rect":"\u25AD","reg":"\u00AE","REG":"\u00AE","ReverseElement":"\u220B","ReverseEquilibrium":"\u21CB","ReverseUpEquilibrium":"\u296F","rfisht":"\u297D","rfloor":"\u230B","rfr":"\uD835\uDD2F","Rfr":"\u211C","rHar":"\u2964","rhard":"\u21C1","rharu":"\u21C0","rharul":"\u296C","Rho":"\u03A1","rho":"\u03C1","rhov":"\u03F1","RightAngleBracket":"\u27E9","RightArrowBar":"\u21E5","rightarrow":"\u2192","RightArrow":"\u2192","Rightarrow":"\u21D2","RightArrowLeftArrow":"\u21C4","rightarrowtail":"\u21A3","RightCeiling":"\u2309","RightDoubleBracket":"\u27E7","RightDownTeeVector":"\u295D","RightDownVectorBar":"\u2955","RightDownVector":"\u21C2","RightFloor":"\u230B","rightharpoondown":"\u21C1","rightharpoonup":"\u21C0","rightleftarrows":"\u21C4","rightleftharpoons":"\u21CC","rightrightarrows":"\u21C9","rightsquigarrow":"\u219D","RightTeeArrow":"\u21A6","RightTee":"\u22A2","RightTeeVector":"\u295B","rightthreetimes":"\u22CC","RightTriangleBar":"\u29D0","RightTriangle":"\u22B3","RightTriangleEqual":"\u22B5","RightUpDownVector":"\u294F","RightUpTeeVector":"\u295C","RightUpVectorBar":"\u2954","RightUpVector":"\u21BE","RightVectorBar":"\u2953","RightVector":"\u21C0","ring":"\u02DA","risingdotseq":"\u2253","rlarr":"\u21C4","rlhar":"\u21CC","rlm":"\u200F","rmoustache":"\u23B1","rmoust":"\u23B1","rnmid":"\u2AEE","roang":"\u27ED","roarr":"\u21FE","robrk":"\u27E7","ropar":"\u2986","ropf":"\uD835\uDD63","Ropf":"\u211D","roplus":"\u2A2E","rotimes":"\u2A35","RoundImplies":"\u2970","rpar":")","rpargt":"\u2994","rppolint":"\u2A12","rrarr":"\u21C9","Rrightarrow":"\u21DB","rsaquo":"\u203A","rscr":"\uD835\uDCC7","Rscr":"\u211B","rsh":"\u21B1","Rsh":"\u21B1","rsqb":"]","rsquo":"\u2019","rsquor":"\u2019","rthree":"\u22CC","rtimes":"\u22CA","rtri":"\u25B9","rtrie":"\u22B5","rtrif":"\u25B8","rtriltri":"\u29CE","RuleDelayed":"\u29F4","ruluhar":"\u2968","rx":"\u211E","Sacute":"\u015A","sacute":"\u015B","sbquo":"\u201A","scap":"\u2AB8","Scaron":"\u0160","scaron":"\u0161","Sc":"\u2ABC","sc":"\u227B","sccue":"\u227D","sce":"\u2AB0","scE":"\u2AB4","Scedil":"\u015E","scedil":"\u015F","Scirc":"\u015C","scirc":"\u015D","scnap":"\u2ABA","scnE":"\u2AB6","scnsim":"\u22E9","scpolint":"\u2A13","scsim":"\u227F","Scy":"\u0421","scy":"\u0441","sdotb":"\u22A1","sdot":"\u22C5","sdote":"\u2A66","searhk":"\u2925","searr":"\u2198","seArr":"\u21D8","searrow":"\u2198","sect":"\u00A7","semi":";","seswar":"\u2929","setminus":"\u2216","setmn":"\u2216","sext":"\u2736","Sfr":"\uD835\uDD16","sfr":"\uD835\uDD30","sfrown":"\u2322","sharp":"\u266F","SHCHcy":"\u0429","shchcy":"\u0449","SHcy":"\u0428","shcy":"\u0448","ShortDownArrow":"\u2193","ShortLeftArrow":"\u2190","shortmid":"\u2223","shortparallel":"\u2225","ShortRightArrow":"\u2192","ShortUpArrow":"\u2191","shy":"\u00AD","Sigma":"\u03A3","sigma":"\u03C3","sigmaf":"\u03C2","sigmav":"\u03C2","sim":"\u223C","simdot":"\u2A6A","sime":"\u2243","simeq":"\u2243","simg":"\u2A9E","simgE":"\u2AA0","siml":"\u2A9D","simlE":"\u2A9F","simne":"\u2246","simplus":"\u2A24","simrarr":"\u2972","slarr":"\u2190","SmallCircle":"\u2218","smallsetminus":"\u2216","smashp":"\u2A33","smeparsl":"\u29E4","smid":"\u2223","smile":"\u2323","smt":"\u2AAA","smte":"\u2AAC","smtes":"\u2AAC\uFE00","SOFTcy":"\u042C","softcy":"\u044C","solbar":"\u233F","solb":"\u29C4","sol":"/","Sopf":"\uD835\uDD4A","sopf":"\uD835\uDD64","spades":"\u2660","spadesuit":"\u2660","spar":"\u2225","sqcap":"\u2293","sqcaps":"\u2293\uFE00","sqcup":"\u2294","sqcups":"\u2294\uFE00","Sqrt":"\u221A","sqsub":"\u228F","sqsube":"\u2291","sqsubset":"\u228F","sqsubseteq":"\u2291","sqsup":"\u2290","sqsupe":"\u2292","sqsupset":"\u2290","sqsupseteq":"\u2292","square":"\u25A1","Square":"\u25A1","SquareIntersection":"\u2293","SquareSubset":"\u228F","SquareSubsetEqual":"\u2291","SquareSuperset":"\u2290","SquareSupersetEqual":"\u2292","SquareUnion":"\u2294","squarf":"\u25AA","squ":"\u25A1","squf":"\u25AA","srarr":"\u2192","Sscr":"\uD835\uDCAE","sscr":"\uD835\uDCC8","ssetmn":"\u2216","ssmile":"\u2323","sstarf":"\u22C6","Star":"\u22C6","star":"\u2606","starf":"\u2605","straightepsilon":"\u03F5","straightphi":"\u03D5","strns":"\u00AF","sub":"\u2282","Sub":"\u22D0","subdot":"\u2ABD","subE":"\u2AC5","sube":"\u2286","subedot":"\u2AC3","submult":"\u2AC1","subnE":"\u2ACB","subne":"\u228A","subplus":"\u2ABF","subrarr":"\u2979","subset":"\u2282","Subset":"\u22D0","subseteq":"\u2286","subseteqq":"\u2AC5","SubsetEqual":"\u2286","subsetneq":"\u228A","subsetneqq":"\u2ACB","subsim":"\u2AC7","subsub":"\u2AD5","subsup":"\u2AD3","succapprox":"\u2AB8","succ":"\u227B","succcurlyeq":"\u227D","Succeeds":"\u227B","SucceedsEqual":"\u2AB0","SucceedsSlantEqual":"\u227D","SucceedsTilde":"\u227F","succeq":"\u2AB0","succnapprox":"\u2ABA","succneqq":"\u2AB6","succnsim":"\u22E9","succsim":"\u227F","SuchThat":"\u220B","sum":"\u2211","Sum":"\u2211","sung":"\u266A","sup1":"\u00B9","sup2":"\u00B2","sup3":"\u00B3","sup":"\u2283","Sup":"\u22D1","supdot":"\u2ABE","supdsub":"\u2AD8","supE":"\u2AC6","supe":"\u2287","supedot":"\u2AC4","Superset":"\u2283","SupersetEqual":"\u2287","suphsol":"\u27C9","suphsub":"\u2AD7","suplarr":"\u297B","supmult":"\u2AC2","supnE":"\u2ACC","supne":"\u228B","supplus":"\u2AC0","supset":"\u2283","Supset":"\u22D1","supseteq":"\u2287","supseteqq":"\u2AC6","supsetneq":"\u228B","supsetneqq":"\u2ACC","supsim":"\u2AC8","supsub":"\u2AD4","supsup":"\u2AD6","swarhk":"\u2926","swarr":"\u2199","swArr":"\u21D9","swarrow":"\u2199","swnwar":"\u292A","szlig":"\u00DF","Tab":"\t","target":"\u2316","Tau":"\u03A4","tau":"\u03C4","tbrk":"\u23B4","Tcaron":"\u0164","tcaron":"\u0165","Tcedil":"\u0162","tcedil":"\u0163","Tcy":"\u0422","tcy":"\u0442","tdot":"\u20DB","telrec":"\u2315","Tfr":"\uD835\uDD17","tfr":"\uD835\uDD31","there4":"\u2234","therefore":"\u2234","Therefore":"\u2234","Theta":"\u0398","theta":"\u03B8","thetasym":"\u03D1","thetav":"\u03D1","thickapprox":"\u2248","thicksim":"\u223C","ThickSpace":"\u205F\u200A","ThinSpace":"\u2009","thinsp":"\u2009","thkap":"\u2248","thksim":"\u223C","THORN":"\u00DE","thorn":"\u00FE","tilde":"\u02DC","Tilde":"\u223C","TildeEqual":"\u2243","TildeFullEqual":"\u2245","TildeTilde":"\u2248","timesbar":"\u2A31","timesb":"\u22A0","times":"\u00D7","timesd":"\u2A30","tint":"\u222D","toea":"\u2928","topbot":"\u2336","topcir":"\u2AF1","top":"\u22A4","Topf":"\uD835\uDD4B","topf":"\uD835\uDD65","topfork":"\u2ADA","tosa":"\u2929","tprime":"\u2034","trade":"\u2122","TRADE":"\u2122","triangle":"\u25B5","triangledown":"\u25BF","triangleleft":"\u25C3","trianglelefteq":"\u22B4","triangleq":"\u225C","triangleright":"\u25B9","trianglerighteq":"\u22B5","tridot":"\u25EC","trie":"\u225C","triminus":"\u2A3A","TripleDot":"\u20DB","triplus":"\u2A39","trisb":"\u29CD","tritime":"\u2A3B","trpezium":"\u23E2","Tscr":"\uD835\uDCAF","tscr":"\uD835\uDCC9","TScy":"\u0426","tscy":"\u0446","TSHcy":"\u040B","tshcy":"\u045B","Tstrok":"\u0166","tstrok":"\u0167","twixt":"\u226C","twoheadleftarrow":"\u219E","twoheadrightarrow":"\u21A0","Uacute":"\u00DA","uacute":"\u00FA","uarr":"\u2191","Uarr":"\u219F","uArr":"\u21D1","Uarrocir":"\u2949","Ubrcy":"\u040E","ubrcy":"\u045E","Ubreve":"\u016C","ubreve":"\u016D","Ucirc":"\u00DB","ucirc":"\u00FB","Ucy":"\u0423","ucy":"\u0443","udarr":"\u21C5","Udblac":"\u0170","udblac":"\u0171","udhar":"\u296E","ufisht":"\u297E","Ufr":"\uD835\uDD18","ufr":"\uD835\uDD32","Ugrave":"\u00D9","ugrave":"\u00F9","uHar":"\u2963","uharl":"\u21BF","uharr":"\u21BE","uhblk":"\u2580","ulcorn":"\u231C","ulcorner":"\u231C","ulcrop":"\u230F","ultri":"\u25F8","Umacr":"\u016A","umacr":"\u016B","uml":"\u00A8","UnderBar":"_","UnderBrace":"\u23DF","UnderBracket":"\u23B5","UnderParenthesis":"\u23DD","Union":"\u22C3","UnionPlus":"\u228E","Uogon":"\u0172","uogon":"\u0173","Uopf":"\uD835\uDD4C","uopf":"\uD835\uDD66","UpArrowBar":"\u2912","uparrow":"\u2191","UpArrow":"\u2191","Uparrow":"\u21D1","UpArrowDownArrow":"\u21C5","updownarrow":"\u2195","UpDownArrow":"\u2195","Updownarrow":"\u21D5","UpEquilibrium":"\u296E","upharpoonleft":"\u21BF","upharpoonright":"\u21BE","uplus":"\u228E","UpperLeftArrow":"\u2196","UpperRightArrow":"\u2197","upsi":"\u03C5","Upsi":"\u03D2","upsih":"\u03D2","Upsilon":"\u03A5","upsilon":"\u03C5","UpTeeArrow":"\u21A5","UpTee":"\u22A5","upuparrows":"\u21C8","urcorn":"\u231D","urcorner":"\u231D","urcrop":"\u230E","Uring":"\u016E","uring":"\u016F","urtri":"\u25F9","Uscr":"\uD835\uDCB0","uscr":"\uD835\uDCCA","utdot":"\u22F0","Utilde":"\u0168","utilde":"\u0169","utri":"\u25B5","utrif":"\u25B4","uuarr":"\u21C8","Uuml":"\u00DC","uuml":"\u00FC","uwangle":"\u29A7","vangrt":"\u299C","varepsilon":"\u03F5","varkappa":"\u03F0","varnothing":"\u2205","varphi":"\u03D5","varpi":"\u03D6","varpropto":"\u221D","varr":"\u2195","vArr":"\u21D5","varrho":"\u03F1","varsigma":"\u03C2","varsubsetneq":"\u228A\uFE00","varsubsetneqq":"\u2ACB\uFE00","varsupsetneq":"\u228B\uFE00","varsupsetneqq":"\u2ACC\uFE00","vartheta":"\u03D1","vartriangleleft":"\u22B2","vartriangleright":"\u22B3","vBar":"\u2AE8","Vbar":"\u2AEB","vBarv":"\u2AE9","Vcy":"\u0412","vcy":"\u0432","vdash":"\u22A2","vDash":"\u22A8","Vdash":"\u22A9","VDash":"\u22AB","Vdashl":"\u2AE6","veebar":"\u22BB","vee":"\u2228","Vee":"\u22C1","veeeq":"\u225A","vellip":"\u22EE","verbar":"|","Verbar":"\u2016","vert":"|","Vert":"\u2016","VerticalBar":"\u2223","VerticalLine":"|","VerticalSeparator":"\u2758","VerticalTilde":"\u2240","VeryThinSpace":"\u200A","Vfr":"\uD835\uDD19","vfr":"\uD835\uDD33","vltri":"\u22B2","vnsub":"\u2282\u20D2","vnsup":"\u2283\u20D2","Vopf":"\uD835\uDD4D","vopf":"\uD835\uDD67","vprop":"\u221D","vrtri":"\u22B3","Vscr":"\uD835\uDCB1","vscr":"\uD835\uDCCB","vsubnE":"\u2ACB\uFE00","vsubne":"\u228A\uFE00","vsupnE":"\u2ACC\uFE00","vsupne":"\u228B\uFE00","Vvdash":"\u22AA","vzigzag":"\u299A","Wcirc":"\u0174","wcirc":"\u0175","wedbar":"\u2A5F","wedge":"\u2227","Wedge":"\u22C0","wedgeq":"\u2259","weierp":"\u2118","Wfr":"\uD835\uDD1A","wfr":"\uD835\uDD34","Wopf":"\uD835\uDD4E","wopf":"\uD835\uDD68","wp":"\u2118","wr":"\u2240","wreath":"\u2240","Wscr":"\uD835\uDCB2","wscr":"\uD835\uDCCC","xcap":"\u22C2","xcirc":"\u25EF","xcup":"\u22C3","xdtri":"\u25BD","Xfr":"\uD835\uDD1B","xfr":"\uD835\uDD35","xharr":"\u27F7","xhArr":"\u27FA","Xi":"\u039E","xi":"\u03BE","xlarr":"\u27F5","xlArr":"\u27F8","xmap":"\u27FC","xnis":"\u22FB","xodot":"\u2A00","Xopf":"\uD835\uDD4F","xopf":"\uD835\uDD69","xoplus":"\u2A01","xotime":"\u2A02","xrarr":"\u27F6","xrArr":"\u27F9","Xscr":"\uD835\uDCB3","xscr":"\uD835\uDCCD","xsqcup":"\u2A06","xuplus":"\u2A04","xutri":"\u25B3","xvee":"\u22C1","xwedge":"\u22C0","Yacute":"\u00DD","yacute":"\u00FD","YAcy":"\u042F","yacy":"\u044F","Ycirc":"\u0176","ycirc":"\u0177","Ycy":"\u042B","ycy":"\u044B","yen":"\u00A5","Yfr":"\uD835\uDD1C","yfr":"\uD835\uDD36","YIcy":"\u0407","yicy":"\u0457","Yopf":"\uD835\uDD50","yopf":"\uD835\uDD6A","Yscr":"\uD835\uDCB4","yscr":"\uD835\uDCCE","YUcy":"\u042E","yucy":"\u044E","yuml":"\u00FF","Yuml":"\u0178","Zacute":"\u0179","zacute":"\u017A","Zcaron":"\u017D","zcaron":"\u017E","Zcy":"\u0417","zcy":"\u0437","Zdot":"\u017B","zdot":"\u017C","zeetrf":"\u2128","ZeroWidthSpace":"\u200B","Zeta":"\u0396","zeta":"\u03B6","zfr":"\uD835\uDD37","Zfr":"\u2128","ZHcy":"\u0416","zhcy":"\u0436","zigrarr":"\u21DD","zopf":"\uD835\uDD6B","Zopf":"\u2124","Zscr":"\uD835\uDCB5","zscr":"\uD835\uDCCF","zwj":"\u200D","zwnj":"\u200C"}
},{}],17:[function(require,module,exports){
module.exports={"Aacute":"\u00C1","aacute":"\u00E1","Acirc":"\u00C2","acirc":"\u00E2","acute":"\u00B4","AElig":"\u00C6","aelig":"\u00E6","Agrave":"\u00C0","agrave":"\u00E0","amp":"&","AMP":"&","Aring":"\u00C5","aring":"\u00E5","Atilde":"\u00C3","atilde":"\u00E3","Auml":"\u00C4","auml":"\u00E4","brvbar":"\u00A6","Ccedil":"\u00C7","ccedil":"\u00E7","cedil":"\u00B8","cent":"\u00A2","copy":"\u00A9","COPY":"\u00A9","curren":"\u00A4","deg":"\u00B0","divide":"\u00F7","Eacute":"\u00C9","eacute":"\u00E9","Ecirc":"\u00CA","ecirc":"\u00EA","Egrave":"\u00C8","egrave":"\u00E8","ETH":"\u00D0","eth":"\u00F0","Euml":"\u00CB","euml":"\u00EB","frac12":"\u00BD","frac14":"\u00BC","frac34":"\u00BE","gt":">","GT":">","Iacute":"\u00CD","iacute":"\u00ED","Icirc":"\u00CE","icirc":"\u00EE","iexcl":"\u00A1","Igrave":"\u00CC","igrave":"\u00EC","iquest":"\u00BF","Iuml":"\u00CF","iuml":"\u00EF","laquo":"\u00AB","lt":"<","LT":"<","macr":"\u00AF","micro":"\u00B5","middot":"\u00B7","nbsp":"\u00A0","not":"\u00AC","Ntilde":"\u00D1","ntilde":"\u00F1","Oacute":"\u00D3","oacute":"\u00F3","Ocirc":"\u00D4","ocirc":"\u00F4","Ograve":"\u00D2","ograve":"\u00F2","ordf":"\u00AA","ordm":"\u00BA","Oslash":"\u00D8","oslash":"\u00F8","Otilde":"\u00D5","otilde":"\u00F5","Ouml":"\u00D6","ouml":"\u00F6","para":"\u00B6","plusmn":"\u00B1","pound":"\u00A3","quot":"\"","QUOT":"\"","raquo":"\u00BB","reg":"\u00AE","REG":"\u00AE","sect":"\u00A7","shy":"\u00AD","sup1":"\u00B9","sup2":"\u00B2","sup3":"\u00B3","szlig":"\u00DF","THORN":"\u00DE","thorn":"\u00FE","times":"\u00D7","Uacute":"\u00DA","uacute":"\u00FA","Ucirc":"\u00DB","ucirc":"\u00FB","Ugrave":"\u00D9","ugrave":"\u00F9","uml":"\u00A8","Uuml":"\u00DC","uuml":"\u00FC","Yacute":"\u00DD","yacute":"\u00FD","yen":"\u00A5","yuml":"\u00FF"}
},{}],18:[function(require,module,exports){
module.exports={"amp":"&","apos":"'","gt":">","lt":"<","quot":"\""}

},{}],19:[function(require,module,exports){

'use strict';


/* eslint-disable no-bitwise */

var decodeCache = {};

function getDecodeCache(exclude) {
  var i, ch, cache = decodeCache[exclude];
  if (cache) { return cache; }

  cache = decodeCache[exclude] = [];

  for (i = 0; i < 128; i++) {
    ch = String.fromCharCode(i);
    cache.push(ch);
  }

  for (i = 0; i < exclude.length; i++) {
    ch = exclude.charCodeAt(i);
    cache[ch] = '%' + ('0' + ch.toString(16).toUpperCase()).slice(-2);
  }

  return cache;
}


// Decode percent-encoded string.
//
function decode(string, exclude) {
  var cache;

  if (typeof exclude !== 'string') {
    exclude = decode.defaultChars;
  }

  cache = getDecodeCache(exclude);

  return string.replace(/(%[a-f0-9]{2})+/gi, function(seq) {
    var i, l, b1, b2, b3, b4, chr,
        result = '';

    for (i = 0, l = seq.length; i < l; i += 3) {
      b1 = parseInt(seq.slice(i + 1, i + 3), 16);

      if (b1 < 0x80) {
        result += cache[b1];
        continue;
      }

      if ((b1 & 0xE0) === 0xC0 && (i + 3 < l)) {
        // 110xxxxx 10xxxxxx
        b2 = parseInt(seq.slice(i + 4, i + 6), 16);

        if ((b2 & 0xC0) === 0x80) {
          chr = ((b1 << 6) & 0x7C0) | (b2 & 0x3F);

          if (chr < 0x80) {
            result += '\ufffd\ufffd';
          } else {
            result += String.fromCharCode(chr);
          }

          i += 3;
          continue;
        }
      }

      if ((b1 & 0xF0) === 0xE0 && (i + 6 < l)) {
        // 1110xxxx 10xxxxxx 10xxxxxx
        b2 = parseInt(seq.slice(i + 4, i + 6), 16);
        b3 = parseInt(seq.slice(i + 7, i + 9), 16);

        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {
          chr = ((b1 << 12) & 0xF000) | ((b2 << 6) & 0xFC0) | (b3 & 0x3F);

          if (chr < 0x800 || (chr >= 0xD800 && chr <= 0xDFFF)) {
            result += '\ufffd\ufffd\ufffd';
          } else {
            result += String.fromCharCode(chr);
          }

          i += 6;
          continue;
        }
      }

      if ((b1 & 0xF8) === 0xF0 && (i + 9 < l)) {
        // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx
        b2 = parseInt(seq.slice(i + 4, i + 6), 16);
        b3 = parseInt(seq.slice(i + 7, i + 9), 16);
        b4 = parseInt(seq.slice(i + 10, i + 12), 16);

        if ((b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80 && (b4 & 0xC0) === 0x80) {
          chr = ((b1 << 18) & 0x1C0000) | ((b2 << 12) & 0x3F000) | ((b3 << 6) & 0xFC0) | (b4 & 0x3F);

          if (chr < 0x10000 || chr > 0x10FFFF) {
            result += '\ufffd\ufffd\ufffd\ufffd';
          } else {
            chr -= 0x10000;
            result += String.fromCharCode(0xD800 + (chr >> 10), 0xDC00 + (chr & 0x3FF));
          }

          i += 9;
          continue;
        }
      }

      result += '\ufffd';
    }

    return result;
  });
}


decode.defaultChars   = ';/?:@&=+$,#';
decode.componentChars = '';


module.exports = decode;

},{}],20:[function(require,module,exports){

'use strict';


var encodeCache = {};


// Create a lookup array where anything but characters in `chars` string
// and alphanumeric chars is percent-encoded.
//
function getEncodeCache(exclude) {
  var i, ch, cache = encodeCache[exclude];
  if (cache) { return cache; }

  cache = encodeCache[exclude] = [];

  for (i = 0; i < 128; i++) {
    ch = String.fromCharCode(i);

    if (/^[0-9a-z]$/i.test(ch)) {
      // always allow unencoded alphanumeric characters
      cache.push(ch);
    } else {
      cache.push('%' + ('0' + i.toString(16).toUpperCase()).slice(-2));
    }
  }

  for (i = 0; i < exclude.length; i++) {
    cache[exclude.charCodeAt(i)] = exclude[i];
  }

  return cache;
}


// Encode unsafe characters with percent-encoding, skipping already
// encoded sequences.
//
//  - string       - string to encode
//  - exclude      - list of characters to ignore (in addition to a-zA-Z0-9)
//  - keepEscaped  - don't encode '%' in a correct escape sequence (default: true)
//
function encode(string, exclude, keepEscaped) {
  var i, l, code, nextCode, cache,
      result = '';

  if (typeof exclude !== 'string') {
    // encode(string, keepEscaped)
    keepEscaped  = exclude;
    exclude = encode.defaultChars;
  }

  if (typeof keepEscaped === 'undefined') {
    keepEscaped = true;
  }

  cache = getEncodeCache(exclude);

  for (i = 0, l = string.length; i < l; i++) {
    code = string.charCodeAt(i);

    if (keepEscaped && code === 0x25 /* % */ && i + 2 < l) {
      if (/^[0-9a-f]{2}$/i.test(string.slice(i + 1, i + 3))) {
        result += string.slice(i, i + 3);
        i += 2;
        continue;
      }
    }

    if (code < 128) {
      result += cache[code];
      continue;
    }

    if (code >= 0xD800 && code <= 0xDFFF) {
      if (code >= 0xD800 && code <= 0xDBFF && i + 1 < l) {
        nextCode = string.charCodeAt(i + 1);
        if (nextCode >= 0xDC00 && nextCode <= 0xDFFF) {
          result += encodeURIComponent(string[i] + string[i + 1]);
          i++;
          continue;
        }
      }
      result += '%EF%BF%BD';
      continue;
    }

    result += encodeURIComponent(string[i]);
  }

  return result;
}

encode.defaultChars   = ";/?:@&=+$,-_.!~*'()#";
encode.componentChars = "-_.!~*'()";


module.exports = encode;

},{}],21:[function(require,module,exports){
/*! http://mths.be/repeat v0.2.0 by @mathias */
if (!String.prototype.repeat) {
	(function() {
		'use strict'; // needed to support `apply`/`call` with `undefined`/`null`
		var defineProperty = (function() {
			// IE 8 only supports `Object.defineProperty` on DOM elements
			try {
				var object = {};
				var $defineProperty = Object.defineProperty;
				var result = $defineProperty(object, object, object) && $defineProperty;
			} catch(error) {}
			return result;
		}());
		var repeat = function(count) {
			if (this == null) {
				throw TypeError();
			}
			var string = String(this);
			// `ToInteger`
			var n = count ? Number(count) : 0;
			if (n != n) { // better `isNaN`
				n = 0;
			}
			// Account for out-of-bounds indices
			if (n < 0 || n == Infinity) {
				throw RangeError();
			}
			var result = '';
			while (n) {
				if (n % 2 == 1) {
					result += string;
				}
				if (n > 1) {
					string += string;
				}
				n >>= 1;
			}
			return result;
		};
		if (defineProperty) {
			defineProperty(String.prototype, 'repeat', {
				'value': repeat,
				'configurable': true,
				'writable': true
			});
		} else {
			String.prototype.repeat = repeat;
		}
	}());
}

},{}]},{},[4])(4)
});