Merge branch '2.6RC'2.6

7 files changed, 0 insertions, 3218 deletions

diff --git a/vendor/pixel418/markdownify/CHANGELOG.md b/vendor/pixel418/markdownify/CHANGELOG.md
deleted file mode 100644
index a0900fdf5..000000000
--- a/vendor/pixel418/markdownify/CHANGELOG.md
+++ /dev/null
@@ -1,76 +0,0 @@
-CHANGELOG
-==============
-
-
-21/09/2016 v2.2.1
---------------
-
- * Fix: Moving trailing whitespace from inline elements outside of the element
- * Feature: Use PSR-4
- * Feature: PHP 7.0 support in continuous integration
- * Doc: Update of the README
-
-
-07/09/2016 v2.2.0
---------------
-
- * Fix: Reset state between each parsing
-
-
-19/02/2016 v2.1.11
---------------
-
- * Fix: Empty table cell conversion
-
-
-10/02/2016 v2.1.10
---------------
-
- * Fix: Handle nested table.
-
-
-01/04/2015 v2.1.9
---------------
-
- * Fix: Handle HTML breaks & spaces in a less destructive way.
-
-
-26/03/2015 v2.1.8
---------------
-
- * Fix: Use alternative italic character
- * Fix: Handle HTML breaks inside another tag
- * Fix: Handle HTML spaces around tags
-
-
-07/11/2014 v2.1.7
---------------
-
- * Change composer name to "elephant418/markdownify"
-
-
-14/07/2014 v2.1.6
---------------
-
- * Fix: Simulate a paragraph for inline text preceding block element
- * Fix: Nested lists
- * Fix: setKeepHTML method
- * Feature: PHP 5.5 & 5.6 support in continuous integration
-
-
-16/03/2014 v2.1.5
---------------
-
-Add display settings
-
- * Test: Add tests for footnotes after every paragraph or not
- * Feature: Allow to display link reference in paragraph, without footnotes
-
-
-27/02/2014 v2.1.4
---------------
-
-Improve how ConverterExtra handle id & class attributes:
-
- * Feature: Allow id & class attributes on links
- * Feature: Allow class attributes on headings
\ No newline at end of file
diff --git a/vendor/pixel418/markdownify/LICENSE b/vendor/pixel418/markdownify/LICENSE
deleted file mode 100644
index 5ab7695ab..000000000
--- a/vendor/pixel418/markdownify/LICENSE
+++ /dev/null
@@ -1,504 +0,0 @@
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diff --git a/vendor/pixel418/markdownify/README.md b/vendor/pixel418/markdownify/README.md
deleted file mode 100644
index 8855b0d05..000000000
--- a/vendor/pixel418/markdownify/README.md
+++ /dev/null
@@ -1,63 +0,0 @@
-# Markdownify
-
-[![Build Status](https://travis-ci.org/Elephant418/Markdownify.png?branch=master)](https://travis-ci.org/Elephant418/Markdownify?branch=master)
-[![Total Downloads](https://poser.pugx.org/pixel418/markdownify/downloads)](https://packagist.org/packages/pixel418/markdownify)
-[![License LGPL](https://poser.pugx.org/pixel418/markdownify/license)](https://opensource.org/licenses/lgpl-2.1.php)
-
-The HTML to Markdown converter for PHP
-
-[Code example](#code-example) | [How to Install](#how-to-install) | [How to Contribute](#how-to-contribute) | [Author & Community](#author--community)
-
-
-
-Code example
---------
-
-### Markdown
-
-```php
-$converter = new Markdownify\Converter;
-$converter->parseString('<h1>Heading</h1>');
-// Returns: # Heading
-```
-
-### Markdown Extra [as defined by @michelf](http://michelf.ca/projects/php-markdown/extra/)
-
-```php
-$converter = new Markdownify\ConverterExtra;
-$converter->parseString('<h1 id="md">Heading</h1>');
-// Returns: # Heading {#md}
-```
-
-
-
-How to Install
---------
-
-This library package requires `PHP 5.3` or later.<br>
-Install [Composer](http://getcomposer.org/doc/01-basic-usage.md#installation) and run the following command to get the latest version:
-
-```sh
-composer require pixel418/markdownify
-```
-
-
-
-How to Contribute
---------
-
-1. Fork the Markdownify repository
-2. Create a new branch for each feature or improvement
-3. Send a pull request from each feature branch to the **v2.x** branch
-
-If you don't know much about pull request, you can read [the Github article](https://help.github.com/articles/using-pull-requests)
-
-
-
-Author & Community
---------
-
-Markdownify is under [LGPL License](http://opensource.org/licenses/LGPL-2.1)<br>
-It was created by [Milian Wolff](http://milianw.de)<br>
-It was converted to a Symfony Bundle by [Peter Kruithof](https://github.com/pkruithof)<br>
-It is maintained by [Thomas ZILLIOX](http://tzi.fr)
diff --git a/vendor/pixel418/markdownify/composer.json b/vendor/pixel418/markdownify/composer.json
deleted file mode 100644
index 71d9f3565..000000000
--- a/vendor/pixel418/markdownify/composer.json
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-    "name": "pixel418/markdownify",
-    "type": "lib",
-    "description": "The HTML to Markdown converter for PHP ",
-    "keywords": ["markdown", "markdownify"],
-    "license": "LGPL",
-    "homepage": "https://github.com/elephant418/Markdownify",
-    "authors": [
-        {
-            "name": "Milian Wolff",
-            "email": "mail@milianw.de",
-            "homepage": "http://milianw.de"
-
-        },
-        {
-            "name": "Peter Kruithof",
-            "email": "pkruithof@gmail.com",
-            "homepage": "http://pkruithof.tumblr.com/"
-        },
-        {
-            "name": "Thomas Zilliox",
-            "email": "hello@tzi.fr",
-            "homepage": "http://tzi.fr"
-        }
-    ],
-    "require": {
-        "php": ">=5.3.0"
-    },
-    "require-dev": {
-        "phpunit/phpunit": "^4.8"
-    },
-    "autoload": {
-        "psr-4": {
-            "Markdownify\\": "src",
-            "Test\\Markdownify\\": "test"
-        }
-    }
-}
diff --git a/vendor/pixel418/markdownify/src/Converter.php b/vendor/pixel418/markdownify/src/Converter.php
deleted file mode 100644
index 77c62dc7e..000000000
--- a/vendor/pixel418/markdownify/src/Converter.php
+++ /dev/null
@@ -1,1400 +0,0 @@
-<?php
-
-/* This file is part of the Markdownify project, which is under LGPL license */
-
-namespace Markdownify;
-
-/**
- * default configuration
- */
-define('MDFY_BODYWIDTH', false);
-define('MDFY_KEEPHTML', true);
-
-/**
- * HTML to Markdown converter class
- */
-class Converter
-{
-    /**
-     * html parser object
-     *
-     * @var parseHTML
-     */
-    protected $parser;
-
-    /**
-     * markdown output
-     *
-     * @var string
-     */
-    protected $output;
-
-    /**
-     * stack with tags which where not converted to html
-     *
-     * @var array<string>
-     */
-    protected $notConverted = array();
-
-    /**
-     * skip conversion to markdown
-     *
-     * @var bool
-     */
-    protected $skipConversion = false;
-
-    /* options */
-
-    /**
-     * keep html tags which cannot be converted to markdown
-     *
-     * @var bool
-     */
-    protected $keepHTML = false;
-
-    /**
-     * wrap output, set to 0 to skip wrapping
-     *
-     * @var int
-     */
-    protected $bodyWidth = 0;
-
-    /**
-     * minimum body width
-     *
-     * @var int
-     */
-    protected $minBodyWidth = 25;
-
-    /**
-     * position where the link reference will be displayed
-     *
-     *
-     * @var int
-     */
-    protected $linkPosition;
-    const LINK_AFTER_CONTENT = 0;
-    const LINK_AFTER_PARAGRAPH = 1;
-    const LINK_IN_PARAGRAPH = 2;
-
-    /**
-     * stores current buffers
-     *
-     * @var array<string>
-     */
-    protected $buffer = array();
-
-    /**
-     * stores current buffers
-     *
-     * @var array<string>
-     */
-    protected $footnotes = array();
-
-    /**
-     * tags with elements which can be handled by markdown
-     *
-     * @var array<string>
-     */
-    protected $isMarkdownable = array(
-        'p' => array(),
-        'ul' => array(),
-        'ol' => array(),
-        'li' => array(),
-        'br' => array(),
-        'blockquote' => array(),
-        'code' => array(),
-        'pre' => array(),
-        'a' => array(
-            'href' => 'required',
-            'title' => 'optional',
-        ),
-        'strong' => array(),
-        'b' => array(),
-        'em' => array(),
-        'i' => array(),
-        'img' => array(
-            'src' => 'required',
-            'alt' => 'optional',
-            'title' => 'optional',
-        ),
-        'h1' => array(),
-        'h2' => array(),
-        'h3' => array(),
-        'h4' => array(),
-        'h5' => array(),
-        'h6' => array(),
-        'hr' => array(),
-    );
-
-    /**
-     * html tags to be ignored (contents will be parsed)
-     *
-     * @var array<string>
-     */
-    protected $ignore = array(
-        'html',
-        'body',
-    );
-
-    /**
-     * html tags to be dropped (contents will not be parsed!)
-     *
-     * @var array<string>
-     */
-    protected $drop = array(
-        'script',
-        'head',
-        'style',
-        'form',
-        'area',
-        'object',
-        'param',
-        'iframe',
-    );
-
-    /**
-     * html block tags that allow inline & block children
-     *
-     * @var array<string>
-     */
-    protected $allowMixedChildren = array(
-        'li'
-    );
-
-    /**
-     * Markdown indents which could be wrapped
-     * @note: use strings in regex format
-     *
-     * @var array<string>
-     */
-    protected $wrappableIndents = array(
-        '\*   ', // ul
-        '\d.  ', // ol
-        '\d\d. ', // ol
-        '> ', // blockquote
-        '', // p
-    );
-
-    /**
-     * list of chars which have to be escaped in normal text
-     * @note: use strings in regex format
-     *
-     * @var array
-     *
-     * TODO: what's with block chars / sequences at the beginning of a block?
-     */
-    protected $escapeInText = array(
-        '\*\*([^*]+)\*\*' => '\*\*$1\*\*', // strong
-        '\*([^*]+)\*' => '\*$1\*', // em
-        '__(?! |_)(.+)(?!<_| )__' => '\_\_$1\_\_', // strong
-        '_(?! |_)(.+)(?!<_| )_' => '\_$1\_', // em
-        '([-*_])([ ]{0,2}\1){2,}' => '\\\\$0', // hr
-        '`' => '\`', // code
-        '\[(.+)\](\s*\()' => '\[$1\]$2', // links: [text] (url) => [text\] (url)
-        '\[(.+)\](\s*)\[(.*)\]' => '\[$1\]$2\[$3\]', // links: [text][id] => [text\][id\]
-        '^#(#{0,5}) ' => '\#$1 ', // header
-    );
-
-    /**
-     * wether last processed node was a block tag or not
-     *
-     * @var bool
-     */
-    protected $lastWasBlockTag = false;
-
-    /**
-     * name of last closed tag
-     *
-     * @var string
-     */
-    protected $lastClosedTag = '';
-
-    /**
-     * number of line breaks before next inline output
-     */
-    protected $lineBreaks = 0;
-
-    /**
-     * node stack, e.g. for <a> and <abbr> tags
-     *
-     * @var array<array>
-     */
-    protected $stack = array();
-
-    /**
-     * current indentation
-     *
-     * @var string
-     */
-    protected $indent = '';
-
-    /**
-     * constructor, set options, setup parser
-     *
-     * @param int $linkPosition define the position of links
-     * @param int $bodyWidth whether or not to wrap the output to the given width
-     *             defaults to false
-     * @param bool $keepHTML whether to keep non markdownable HTML or to discard it
-     *             defaults to true (HTML will be kept)
-     * @return void
-     */
-    public function __construct($linkPosition = self::LINK_AFTER_CONTENT, $bodyWidth = MDFY_BODYWIDTH, $keepHTML = MDFY_KEEPHTML)
-    {
-        $this->linkPosition = $linkPosition;
-        $this->keepHTML = $keepHTML;
-
-        if ($bodyWidth > $this->minBodyWidth) {
-            $this->bodyWidth = intval($bodyWidth);
-        } else {
-            $this->bodyWidth = false;
-        }
-
-        $this->parser = new Parser;
-        $this->parser->noTagsInCode = true;
-
-        // we don't have to do this every time
-        $search = array();
-        $replace = array();
-        foreach ($this->escapeInText as $s => $r) {
-            array_push($search, '@(?<!\\\)' . $s . '@U');
-            array_push($replace, $r);
-        }
-        $this->escapeInText = array(
-            'search' => $search,
-            'replace' => $replace
-        );
-    }
-
-    /**
-     * parse a HTML string
-     *
-     * @param string $html
-     * @return string markdown formatted
-     */
-    public function parseString($html)
-    {
-        $this->resetState();
-
-        $this->parser->html = $html;
-        $this->parse();
-
-        return $this->output;
-    }
-
-    /**
-     * set the position where the link reference will be displayed
-     *
-     * @param int $linkPosition
-     * @return void
-     */
-    public function setLinkPosition($linkPosition)
-    {
-        $this->linkPosition = $linkPosition;
-    }
-
-    /**
-     * set keep HTML tags which cannot be converted to markdown
-     *
-     * @param bool $linkPosition
-     * @return void
-     */
-    public function setKeepHTML($keepHTML)
-    {
-        $this->keepHTML = $keepHTML;
-    }
-
-    /**
-     * iterate through the nodes and decide what we
-     * shall do with the current node
-     *
-     * @param void
-     * @return void
-     */
-    protected function parse()
-    {
-        $this->output = '';
-        // drop tags
-        $this->parser->html = preg_replace('#<(' . implode('|', $this->drop) . ')[^>]*>.*</\\1>#sU', '', $this->parser->html);
-        while ($this->parser->nextNode()) {
-            switch ($this->parser->nodeType) {
-                case 'doctype':
-                    break;
-                case 'pi':
-                case 'comment':
-                    if ($this->keepHTML) {
-                        $this->flushLinebreaks();
-                        $this->out($this->parser->node);
-                        $this->setLineBreaks(2);
-                    }
-                    // else drop
-                    break;
-                case 'text':
-                    $this->handleText();
-                    break;
-                case 'tag':
-                    if (in_array($this->parser->tagName, $this->ignore)) {
-                        break;
-                    }
-                    // If the previous tag was not a block element, we simulate a paragraph tag
-                    if ($this->parser->isBlockElement && $this->parser->isNextToInlineContext && !in_array($this->parent(), $this->allowMixedChildren)) {
-                        $this->setLineBreaks(2);
-                    }
-                    if ($this->parser->isStartTag) {
-                        $this->flushLinebreaks();
-                    }
-                    if ($this->skipConversion) {
-                        $this->isMarkdownable(); // update notConverted
-                        $this->handleTagToText();
-                        continue;
-                    }
-
-                    // block elements
-                    if (!$this->parser->keepWhitespace && $this->parser->isBlockElement) {
-                        $this->fixBlockElementSpacing();
-                    }
-
-                    // inline elements
-                    if (!$this->parser->keepWhitespace && $this->parser->isInlineContext) {
-                        $this->fixInlineElementSpacing();
-                    }
-
-                    if ($this->isMarkdownable()) {
-                        if ($this->parser->isBlockElement && $this->parser->isStartTag && !$this->lastWasBlockTag && !empty($this->output)) {
-                            if (!empty($this->buffer)) {
-                                $str =& $this->buffer[count($this->buffer) - 1];
-                            } else {
-                                $str =& $this->output;
-                            }
-                            if (substr($str, -strlen($this->indent) - 1) != "\n" . $this->indent) {
-                                $str .= "\n" . $this->indent;
-                            }
-                        }
-                        $func = 'handleTag_' . $this->parser->tagName;
-                        $this->$func();
-                        if ($this->linkPosition == self::LINK_AFTER_PARAGRAPH && $this->parser->isBlockElement && !$this->parser->isStartTag && empty($this->parser->openTags)) {
-                            $this->flushFootnotes();
-                        }
-                        if (!$this->parser->isStartTag) {
-                            $this->lastClosedTag = $this->parser->tagName;
-                        }
-                    } else {
-                        $this->handleTagToText();
-                        $this->lastClosedTag = '';
-                    }
-                    break;
-                default:
-                    trigger_error('invalid node type', E_USER_ERROR);
-                    break;
-            }
-            $this->lastWasBlockTag = $this->parser->nodeType == 'tag' && $this->parser->isStartTag && $this->parser->isBlockElement;
-        }
-        if (!empty($this->buffer)) {
-            // trigger_error('buffer was not flushed, this is a bug. please report!', E_USER_WARNING);
-            while (!empty($this->buffer)) {
-                $this->out($this->unbuffer());
-            }
-        }
-        // cleanup
-        $this->output = rtrim(str_replace('&amp;', '&', str_replace('&lt;', '<', str_replace('&gt;', '>', $this->output))));
-        // end parsing, flush stacked tags
-        $this->flushFootnotes();
-        $this->stack = array();
-    }
-
-    /**
-     * check if current tag can be converted to Markdown
-     *
-     * @param void
-     * @return bool
-     */
-    protected function isMarkdownable()
-    {
-        if (!isset($this->isMarkdownable[$this->parser->tagName])) {
-            // simply not markdownable
-
-            return false;
-        }
-        if ($this->parser->isStartTag) {
-            $return = true;
-            if ($this->keepHTML) {
-                $diff = array_diff(array_keys($this->parser->tagAttributes), array_keys($this->isMarkdownable[$this->parser->tagName]));
-                if (!empty($diff)) {
-                    // non markdownable attributes given
-                    $return = false;
-                }
-            }
-            if ($return) {
-                foreach ($this->isMarkdownable[$this->parser->tagName] as $attr => $type) {
-                    if ($type == 'required' && !isset($this->parser->tagAttributes[$attr])) {
-                        // required markdown attribute not given
-                        $return = false;
-                        break;
-                    }
-                }
-            }
-            if (!$return) {
-                array_push($this->notConverted, $this->parser->tagName . '::' . implode('/', $this->parser->openTags));
-            }
-
-            return $return;
-        } else {
-            if (!empty($this->notConverted) && end($this->notConverted) === $this->parser->tagName . '::' . implode('/', $this->parser->openTags)) {
-                array_pop($this->notConverted);
-
-                return false;
-            }
-
-            return true;
-        }
-    }
-
-    /**
-     * output footnotes
-     *
-     * @param void
-     * @return void
-     */
-    protected function flushFootnotes()
-    {
-        $out = false;
-        foreach ($this->footnotes as $k => $tag) {
-            if (!isset($tag['unstacked'])) {
-                if (!$out) {
-                    $out = true;
-                    $this->out("\n\n", true);
-                } else {
-                    $this->out("\n", true);
-                }
-                $this->out(' [' . $tag['linkID'] . ']: ' . $this->getLinkReference($tag), true);
-                $tag['unstacked'] = true;
-                $this->footnotes[$k] = $tag;
-            }
-        }
-    }
-
-    /**
-     * return formated link reference
-     *
-     * @param array $tag
-     * @return string link reference
-     */
-    protected function getLinkReference($tag)
-    {
-        return $tag['href'] . (isset($tag['title']) ? ' "' . $tag['title'] . '"' : '');
-    }
-
-    /**
-     * flush enqued linebreaks
-     *
-     * @param void
-     * @return void
-     */
-    protected function flushLinebreaks()
-    {
-        if ($this->lineBreaks && !empty($this->output)) {
-            $this->out(str_repeat("\n" . $this->indent, $this->lineBreaks), true);
-        }
-        $this->lineBreaks = 0;
-    }
-
-    /**
-     * handle non Markdownable tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTagToText()
-    {
-        if (!$this->keepHTML) {
-            if (!$this->parser->isStartTag && $this->parser->isBlockElement) {
-                $this->setLineBreaks(2);
-            }
-        } else {
-            // dont convert to markdown inside this tag
-            /** TODO: markdown extra **/
-            if (!$this->parser->isEmptyTag) {
-                if ($this->parser->isStartTag) {
-                    if (!$this->skipConversion) {
-                        $this->skipConversion = $this->parser->tagName . '::' . implode('/', $this->parser->openTags);
-                    }
-                } else {
-                    if ($this->skipConversion == $this->parser->tagName . '::' . implode('/', $this->parser->openTags)) {
-                        $this->skipConversion = false;
-                    }
-                }
-            }
-
-            if ($this->parser->isBlockElement) {
-                if ($this->parser->isStartTag) {
-                    // looks like ins or del are block elements now
-                    if (in_array($this->parent(), array('ins', 'del'))) {
-                        $this->out("\n", true);
-                        $this->indent('  ');
-                    }
-                    // don't indent inside <pre> tags
-                    if ($this->parser->tagName == 'pre') {
-                        $this->out($this->parser->node);
-                        static $indent;
-                        $indent = $this->indent;
-                        $this->indent = '';
-                    } else {
-                        $this->out($this->parser->node . "\n" . $this->indent);
-                        if (!$this->parser->isEmptyTag) {
-                            $this->indent('  ');
-                        } else {
-                            $this->setLineBreaks(1);
-                        }
-                        $this->parser->html = ltrim($this->parser->html);
-                    }
-                } else {
-                    if (!$this->parser->keepWhitespace) {
-                        $this->output = rtrim($this->output);
-                    }
-                    if ($this->parser->tagName != 'pre') {
-                        $this->indent('  ');
-                        $this->out("\n" . $this->indent . $this->parser->node);
-                    } else {
-                        // reset indentation
-                        $this->out($this->parser->node);
-                        static $indent;
-                        $this->indent = $indent;
-                    }
-
-                    if (in_array($this->parent(), array('ins', 'del'))) {
-                        // ins or del was block element
-                        $this->out("\n");
-                        $this->indent('  ');
-                    }
-                    if ($this->parser->tagName == 'li') {
-                        $this->setLineBreaks(1);
-                    } else {
-                        $this->setLineBreaks(2);
-                    }
-                }
-            } else {
-                $this->out($this->parser->node);
-            }
-            if (in_array($this->parser->tagName, array('code', 'pre'))) {
-                if ($this->parser->isStartTag) {
-                    $this->buffer();
-                } else {
-                    // add stuff so cleanup just reverses this
-                    $this->out(str_replace('&lt;', '&amp;lt;', str_replace('&gt;', '&amp;gt;', $this->unbuffer())));
-                }
-            }
-        }
-    }
-
-    /**
-     * handle plain text
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleText()
-    {
-        if ($this->hasParent('pre') && strpos($this->parser->node, "\n") !== false) {
-            $this->parser->node = str_replace("\n", "\n" . $this->indent, $this->parser->node);
-        }
-        if (!$this->hasParent('code') && !$this->hasParent('pre')) {
-            // entity decode
-            $this->parser->node = $this->decode($this->parser->node);
-            if (!$this->skipConversion) {
-                // escape some chars in normal Text
-                $this->parser->node = preg_replace($this->escapeInText['search'], $this->escapeInText['replace'], $this->parser->node);
-            }
-        } else {
-            $this->parser->node = str_replace(array('&quot;', '&apos'), array('"', '\''), $this->parser->node);
-        }
-        $this->out($this->parser->node);
-        $this->lastClosedTag = '';
-    }
-
-    /**
-     * handle <em> and <i> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_em()
-    {
-        $this->out('_', true);
-    }
-
-    protected function handleTag_i()
-    {
-        $this->handleTag_em();
-    }
-
-    /**
-     * handle <strong> and <b> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_strong()
-    {
-        $this->out('**', true);
-    }
-
-    protected function handleTag_b()
-    {
-        $this->handleTag_strong();
-    }
-
-    /**
-     * handle <h1> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h1()
-    {
-        $this->handleHeader(1);
-    }
-
-    /**
-     * handle <h2> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h2()
-    {
-        $this->handleHeader(2);
-    }
-
-    /**
-     * handle <h3> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h3()
-    {
-        $this->handleHeader(3);
-    }
-
-    /**
-     * handle <h4> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h4()
-    {
-        $this->handleHeader(4);
-    }
-
-    /**
-     * handle <h5> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h5()
-    {
-        $this->handleHeader(5);
-    }
-
-    /**
-     * handle <h6> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_h6()
-    {
-        $this->handleHeader(6);
-    }
-
-    /**
-     * handle header tags (<h1> - <h6>)
-     *
-     * @param int $level 1-6
-     * @return void
-     */
-    protected function handleHeader($level)
-    {
-        if ($this->parser->isStartTag) {
-            $this->out(str_repeat('#', $level) . ' ', true);
-        } else {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * handle <p> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_p()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * handle <a> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_a()
-    {
-        if ($this->parser->isStartTag) {
-            $this->buffer();
-            $this->handleTag_a_parser();
-            $this->stack();
-        } else {
-            $tag = $this->unstack();
-            $buffer = $this->unbuffer();
-            $this->handleTag_a_converter($tag, $buffer);
-            $this->out($this->handleTag_a_converter($tag, $buffer), true);
-        }
-    }
-
-    /**
-     * handle <a> tags parsing
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_a_parser()
-    {
-        if (isset($this->parser->tagAttributes['title'])) {
-            $this->parser->tagAttributes['title'] = $this->decode($this->parser->tagAttributes['title']);
-        } else {
-            $this->parser->tagAttributes['title'] = null;
-        }
-        $this->parser->tagAttributes['href'] = $this->decode(trim($this->parser->tagAttributes['href']));
-    }
-
-    /**
-     * handle <a> tags conversion
-     *
-     * @param array $tag
-     * @param string $buffer
-     * @return string The markdownified link
-     */
-    protected function handleTag_a_converter($tag, $buffer)
-    {
-        if (empty($tag['href']) && empty($tag['title'])) {
-            // empty links... testcase mania, who would possibly do anything like that?!
-            return '[' . $buffer . ']()';
-        }
-
-        if ($buffer == $tag['href'] && empty($tag['title'])) {
-            // <http://example.com>
-            return '<' . $buffer . '>';
-        }
-
-        $bufferDecoded = $this->decode(trim($buffer));
-        if (substr($tag['href'], 0, 7) == 'mailto:' && 'mailto:' . $bufferDecoded == $tag['href']) {
-            if (is_null($tag['title'])) {
-                // <mail@example.com>
-                return '<' . $bufferDecoded . '>';
-            }
-            // [mail@example.com][1]
-            // ...
-            //  [1]: mailto:mail@example.com Title
-            $tag['href'] = 'mailto:' . $bufferDecoded;
-        }
-
-        if ($this->linkPosition == self::LINK_IN_PARAGRAPH) {
-            return '[' . $buffer . '](' . $this->getLinkReference($tag) . ')';
-        }
-
-        // [This link][id]
-        foreach ($this->footnotes as $tag2) {
-            if ($tag2['href'] == $tag['href'] && $tag2['title'] === $tag['title']) {
-                $tag['linkID'] = $tag2['linkID'];
-                break;
-            }
-        }
-        if (!isset($tag['linkID'])) {
-            $tag['linkID'] = count($this->footnotes) + 1;
-            array_push($this->footnotes, $tag);
-        }
-
-        return '[' . $buffer . '][' . $tag['linkID'] . ']';
-    }
-
-    /**
-     * handle <img /> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_img()
-    {
-        if (!$this->parser->isStartTag) {
-            return; // just to be sure this is really an empty tag...
-        }
-
-        if (isset($this->parser->tagAttributes['title'])) {
-            $this->parser->tagAttributes['title'] = $this->decode($this->parser->tagAttributes['title']);
-        } else {
-            $this->parser->tagAttributes['title'] = null;
-        }
-        if (isset($this->parser->tagAttributes['alt'])) {
-            $this->parser->tagAttributes['alt'] = $this->decode($this->parser->tagAttributes['alt']);
-        } else {
-            $this->parser->tagAttributes['alt'] = null;
-        }
-
-        if (empty($this->parser->tagAttributes['src'])) {
-            // support for "empty" images... dunno if this is really needed
-            // but there are some test cases which do that...
-            if (!empty($this->parser->tagAttributes['title'])) {
-                $this->parser->tagAttributes['title'] = ' ' . $this->parser->tagAttributes['title'] . ' ';
-            }
-            $this->out('![' . $this->parser->tagAttributes['alt'] . '](' . $this->parser->tagAttributes['title'] . ')', true);
-
-            return;
-        } else {
-            $this->parser->tagAttributes['src'] = $this->decode($this->parser->tagAttributes['src']);
-        }
-
-        $out = '![' . $this->parser->tagAttributes['alt'] . ']';
-        if ($this->linkPosition == self::LINK_IN_PARAGRAPH) {
-            $out .= '(' . $this->parser->tagAttributes['src'];
-            if ($this->parser->tagAttributes['title']) {
-                $out .= ' "' . $this->parser->tagAttributes['title'] . '"';
-            }
-            $out .= ')';
-            $this->out($out, true);
-            return;
-        }
-
-        // ![This image][id]
-        $link_id = false;
-        if (!empty($this->footnotes)) {
-            foreach ($this->footnotes as $tag) {
-                if ($tag['href'] == $this->parser->tagAttributes['src']
-                    && $tag['title'] === $this->parser->tagAttributes['title']
-                ) {
-                    $link_id = $tag['linkID'];
-                    break;
-                }
-            }
-        }
-        if (!$link_id) {
-            $link_id = count($this->footnotes) + 1;
-            $tag = array(
-                'href' => $this->parser->tagAttributes['src'],
-                'linkID' => $link_id,
-                'title' => $this->parser->tagAttributes['title']
-            );
-            array_push($this->footnotes, $tag);
-        }
-        $out .= '[' . $link_id . ']';
-
-        $this->out($out, true);
-    }
-
-    /**
-     * handle <code> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_code()
-    {
-        if ($this->hasParent('pre')) {
-            // ignore code blocks inside <pre>
-
-            return;
-        }
-        if ($this->parser->isStartTag) {
-            $this->buffer();
-        } else {
-            $buffer = $this->unbuffer();
-            // use as many backticks as needed
-            preg_match_all('#`+#', $buffer, $matches);
-            if (!empty($matches[0])) {
-                rsort($matches[0]);
-
-                $ticks = '`';
-                while (true) {
-                    if (!in_array($ticks, $matches[0])) {
-                        break;
-                    }
-                    $ticks .= '`';
-                }
-            } else {
-                $ticks = '`';
-            }
-            if ($buffer[0] == '`' || substr($buffer, -1) == '`') {
-                $buffer = ' ' . $buffer . ' ';
-            }
-            $this->out($ticks . $buffer . $ticks, true);
-        }
-    }
-
-    /**
-     * handle <pre> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_pre()
-    {
-        if ($this->keepHTML && $this->parser->isStartTag) {
-            // check if a simple <code> follows
-            if (!preg_match('#^\s*<code\s*>#Us', $this->parser->html)) {
-                // this is no standard markdown code block
-                $this->handleTagToText();
-
-                return;
-            }
-        }
-        $this->indent('    ');
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        } else {
-            $this->parser->html = ltrim($this->parser->html);
-        }
-    }
-
-    /**
-     * handle <blockquote> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_blockquote()
-    {
-        $this->indent('> ');
-    }
-
-    /**
-     * handle <ul> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_ul()
-    {
-        if ($this->parser->isStartTag) {
-            $this->stack();
-            if (!$this->keepHTML && $this->lastClosedTag == $this->parser->tagName) {
-                $this->out("\n" . $this->indent . '<!-- -->' . "\n" . $this->indent . "\n" . $this->indent);
-            }
-        } else {
-            $this->unstack();
-            if ($this->parent() != 'li' || preg_match('#^\s*(</li\s*>\s*<li\s*>\s*)?<(p|blockquote)\s*>#sU', $this->parser->html)) {
-                // dont make Markdown add unneeded paragraphs
-                $this->setLineBreaks(2);
-            }
-        }
-    }
-
-    /**
-     * handle <ul> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_ol()
-    {
-        // same as above
-        $this->parser->tagAttributes['num'] = 0;
-        $this->handleTag_ul();
-    }
-
-    /**
-     * handle <li> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_li()
-    {
-        if ($this->parent() == 'ol') {
-            $parent =& $this->getStacked('ol');
-            if ($this->parser->isStartTag) {
-                $parent['num']++;
-                $this->out(str_repeat(' ', 3 - strlen($parent['num'])) . $parent['num'] . '. ', true);
-            }
-        } else {
-            if ($this->parser->isStartTag) {
-                $this->out('  * ', true);
-            }
-        }
-        $this->indent('    ', false);
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(1);
-        }
-    }
-
-    /**
-     * handle <hr /> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_hr()
-    {
-        if (!$this->parser->isStartTag) {
-            return; // just to be sure this really is an empty tag
-        }
-        $this->out('* * *', true);
-        $this->setLineBreaks(2);
-    }
-
-    /**
-     * handle <br /> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_br()
-    {
-        $this->out("  \n" . $this->indent, true);
-        $this->parser->html = ltrim($this->parser->html);
-    }
-
-    /**
-     * add current node to the stack
-     * this only stores the attributes
-     *
-     * @param void
-     * @return void
-     */
-    protected function stack()
-    {
-        if (!isset($this->stack[$this->parser->tagName])) {
-            $this->stack[$this->parser->tagName] = array();
-        }
-        array_push($this->stack[$this->parser->tagName], $this->parser->tagAttributes);
-    }
-
-    /**
-     * remove current tag from stack
-     *
-     * @param void
-     * @return array
-     */
-    protected function unstack()
-    {
-        if (!isset($this->stack[$this->parser->tagName]) || !is_array($this->stack[$this->parser->tagName])) {
-            trigger_error('Trying to unstack from empty stack. This must not happen.', E_USER_ERROR);
-        }
-
-        return array_pop($this->stack[$this->parser->tagName]);
-    }
-
-    /**
-     * get last stacked element of type $tagName
-     *
-     * @param string $tagName
-     * @return array
-     */
-    protected function &getStacked($tagName)
-    {
-        // no end() so it can be referenced
-        return $this->stack[$tagName][count($this->stack[$tagName]) - 1];
-    }
-
-    /**
-     * set number of line breaks before next start tag
-     *
-     * @param int $number
-     * @return void
-     */
-    protected function setLineBreaks($number)
-    {
-        if ($this->lineBreaks < $number) {
-            $this->lineBreaks = $number;
-        }
-    }
-
-    /**
-     * buffer next parser output until unbuffer() is called
-     *
-     * @param void
-     * @return void
-     */
-    protected function buffer()
-    {
-        array_push($this->buffer, '');
-    }
-
-    /**
-     * end current buffer and return buffered output
-     *
-     * @param void
-     * @return string
-     */
-    protected function unbuffer()
-    {
-        return array_pop($this->buffer);
-    }
-
-    /**
-     * append string to the correct var, either
-     * directly to $this->output or to the current
-     * buffers
-     *
-     * @param string $put
-     * @param boolean $nowrap
-     * @return void
-     */
-    protected function out($put, $nowrap = false)
-    {
-        if (empty($put)) {
-            return;
-        }
-        if (!empty($this->buffer)) {
-            $this->buffer[count($this->buffer) - 1] .= $put;
-        } else {
-            if ($this->bodyWidth && !$this->parser->keepWhitespace) { // wrap lines
-                // get last line
-                $pos = strrpos($this->output, "\n");
-                if ($pos === false) {
-                    $line = $this->output;
-                } else {
-                    $line = substr($this->output, $pos);
-                }
-
-                if ($nowrap) {
-                    if ($put[0] != "\n" && $this->strlen($line) + $this->strlen($put) > $this->bodyWidth) {
-                        $this->output .= "\n" . $this->indent . $put;
-                    } else {
-                        $this->output .= $put;
-                    }
-
-                    return;
-                } else {
-                    $put .= "\n"; // make sure we get all lines in the while below
-                    $lineLen = $this->strlen($line);
-                    while ($pos = strpos($put, "\n")) {
-                        $putLine = substr($put, 0, $pos + 1);
-                        $put = substr($put, $pos + 1);
-                        $putLen = $this->strlen($putLine);
-                        if ($lineLen + $putLen < $this->bodyWidth) {
-                            $this->output .= $putLine;
-                            $lineLen = $putLen;
-                        } else {
-                            $split = preg_split('#^(.{0,' . ($this->bodyWidth - $lineLen) . '})\b#', $putLine, 2, PREG_SPLIT_OFFSET_CAPTURE | PREG_SPLIT_DELIM_CAPTURE);
-                            $this->output .= rtrim($split[1][0]) . "\n" . $this->indent . $this->wordwrap(ltrim($split[2][0]), $this->bodyWidth, "\n" . $this->indent, false);
-                        }
-                    }
-                    $this->output = substr($this->output, 0, -1);
-
-                    return;
-                }
-            } else {
-                $this->output .= $put;
-            }
-        }
-    }
-
-    /**
-     * indent next output (start tag) or unindent (end tag)
-     *
-     * @param string $str indentation
-     * @param bool $output add indendation to output
-     * @return void
-     */
-    protected function indent($str, $output = true)
-    {
-        if ($this->parser->isStartTag) {
-            $this->indent .= $str;
-            if ($output) {
-                $this->out($str, true);
-            }
-        } else {
-            $this->indent = substr($this->indent, 0, -strlen($str));
-        }
-    }
-
-    /**
-     * decode email addresses
-     *
-     * @author derernst@gmx.ch <http://www.php.net/manual/en/function.html-entity-decode.php#68536>
-     * @author Milian Wolff <http://milianw.de>
-     */
-    protected function decode($text, $quote_style = ENT_QUOTES)
-    {
-        return htmlspecialchars_decode($text, $quote_style);
-    }
-
-    /**
-     * callback for decode() which converts a hexadecimal entity to UTF-8
-     *
-     * @param array $matches
-     * @return string UTF-8 encoded
-     */
-    protected function _decode_hex($matches)
-    {
-        return $this->unichr(hexdec($matches[1]));
-    }
-
-    /**
-     * callback for decode() which converts a numerical entity to UTF-8
-     *
-     * @param array $matches
-     * @return string UTF-8 encoded
-     */
-    protected function _decode_numeric($matches)
-    {
-        return $this->unichr($matches[1]);
-    }
-
-    /**
-     * UTF-8 chr() which supports numeric entities
-     *
-     * @author grey - greywyvern - com <http://www.php.net/manual/en/function.chr.php#55978>
-     * @param array $matches
-     * @return string UTF-8 encoded
-     */
-    protected function unichr($dec)
-    {
-        if ($dec < 128) {
-            $utf = chr($dec);
-        } elseif ($dec < 2048) {
-            $utf = chr(192 + (($dec - ($dec % 64)) / 64));
-            $utf .= chr(128 + ($dec % 64));
-        } else {
-            $utf = chr(224 + (($dec - ($dec % 4096)) / 4096));
-            $utf .= chr(128 + ((($dec % 4096) - ($dec % 64)) / 64));
-            $utf .= chr(128 + ($dec % 64));
-        }
-
-        return $utf;
-    }
-
-    /**
-     * UTF-8 strlen()
-     *
-     * @param string $str
-     * @return int
-     *
-     * @author dtorop 932 at hotmail dot com <http://www.php.net/manual/en/function.strlen.php#37975>
-     * @author Milian Wolff <http://milianw.de>
-     */
-    protected function strlen($str)
-    {
-        if (function_exists('mb_strlen')) {
-            return mb_strlen($str, 'UTF-8');
-        } else {
-            return preg_match_all('/[\x00-\x7F\xC0-\xFD]/', $str, $var_empty);
-        }
-    }
-
-    /**
-     * wordwrap for utf8 encoded strings
-     *
-     * @param string $str
-     * @param integer $len
-     * @param string $what
-     * @return string
-     */
-    protected function wordwrap($str, $width, $break, $cut = false)
-    {
-        if (!$cut) {
-            $regexp = '#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){1,' . $width . '}\b#';
-        } else {
-            $regexp = '#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){' . $width . '}#';
-        }
-        $return = '';
-        while (preg_match($regexp, $str, $matches)) {
-            $string = $matches[0];
-            $str = ltrim(substr($str, strlen($string)));
-            if (!$cut && isset($str[0]) && in_array($str[0], array('.', '!', ';', ':', '?', ','))) {
-                $string .= $str[0];
-                $str = ltrim(substr($str, 1));
-            }
-            $return .= $string . $break;
-        }
-
-        return $return . ltrim($str);
-    }
-
-    /**
-     * check if current node has a $tagName as parent (somewhere, not only the direct parent)
-     *
-     * @param string $tagName
-     * @return bool
-     */
-    protected function hasParent($tagName)
-    {
-        return in_array($tagName, $this->parser->openTags);
-    }
-
-    /**
-     * get tagName of direct parent tag
-     *
-     * @param void
-     * @return string $tagName
-     */
-    protected function parent()
-    {
-        return end($this->parser->openTags);
-    }
-
-    /**
-     * Trims whitespace in block-level elements, on the left side.
-     */
-    protected function fixBlockElementSpacing()
-    {
-        if ($this->parser->isStartTag) {
-            $this->parser->html = ltrim($this->parser->html);
-        }
-    }
-
-    /**
-     * Moves leading/trailing whitespace from inline elements outside of the
-     * element. This is to fix cases like `<strong> Text</strong>`, which if
-     * converted to `** strong**` would be incorrect Markdown.
-     *
-     * Examples:
-     *
-     *   * leading: `<strong> Text</strong>` becomes ` <strong>Text</strong>`
-     *   * trailing: `<strong>Text </strong>` becomes `<strong>Text</strong> `
-     */
-    protected function fixInlineElementSpacing()
-    {
-        if ($this->parser->isStartTag) {
-            // move spaces after the start element to before the element
-            if (preg_match('~^(\s+)~', $this->parser->html, $matches)) {
-                $this->out($matches[1]);
-                $this->parser->html = ltrim($this->parser->html, " \t\0\x0B");
-            }
-        } else {
-            if (!empty($this->buffer)) {
-                $str =& $this->buffer[count($this->buffer) - 1];
-            } else {
-                $str =& $this->output;
-            }
-
-            // move spaces before the end element to after the element
-            if (preg_match('~(\s+)$~', $str, $matches)) {
-                $str = rtrim($str, " \t\0\x0B");
-                $this->parser->html = $matches[1] . $this->parser->html;
-            }
-        }
-    }
-
-    /**
-     * Resetting the state forces the instance to behave as a fresh instance.
-     * Ideal for running within a loop where you want to maintain a single instance.
-     */
-    protected function resetState()
-    {
-        $this->notConverted = array();
-        $this->skipConversion = false;
-        $this->buffer = array();
-        $this->indent = '';
-        $this->stack = array();
-        $this->lineBreaks = 0;
-        $this->lastClosedTag = '';
-        $this->lastWasBlockTag = false;
-        $this->footnotes = array();
-    }
-}
diff --git a/vendor/pixel418/markdownify/src/ConverterExtra.php b/vendor/pixel418/markdownify/src/ConverterExtra.php
deleted file mode 100644
index 733955448..000000000
--- a/vendor/pixel418/markdownify/src/ConverterExtra.php
+++ /dev/null
@@ -1,573 +0,0 @@
-<?php
-
-/* This file is part of the Markdownify project, which is under LGPL license */
-
-namespace Markdownify;
-
-class ConverterExtra extends Converter
-{
-
-    /**
-     * table data, including rows with content and the maximum width of each col
-     *
-     * @var array
-     */
-    protected $table = array();
-
-    /**
-     * current col
-     *
-     * @var int
-     */
-    protected $col = -1;
-
-    /**
-     * current row
-     *
-     * @var int
-     */
-    protected $row = 0;
-
-    /**
-     * constructor, see Markdownify::Markdownify() for more information
-     */
-    public function __construct($linksAfterEachParagraph = self::LINK_AFTER_CONTENT, $bodyWidth = MDFY_BODYWIDTH, $keepHTML = MDFY_KEEPHTML)
-    {
-        parent::__construct($linksAfterEachParagraph, $bodyWidth, $keepHTML);
-
-        // new markdownable tags & attributes
-        // header ids: # foo {bar}
-        $this->isMarkdownable['h1']['id'] = 'optional';
-        $this->isMarkdownable['h1']['class'] = 'optional';
-        $this->isMarkdownable['h2']['id'] = 'optional';
-        $this->isMarkdownable['h2']['class'] = 'optional';
-        $this->isMarkdownable['h3']['id'] = 'optional';
-        $this->isMarkdownable['h3']['class'] = 'optional';
-        $this->isMarkdownable['h4']['id'] = 'optional';
-        $this->isMarkdownable['h4']['class'] = 'optional';
-        $this->isMarkdownable['h5']['id'] = 'optional';
-        $this->isMarkdownable['h5']['class'] = 'optional';
-        $this->isMarkdownable['h6']['id'] = 'optional';
-        $this->isMarkdownable['h6']['class'] = 'optional';
-        // tables
-        $this->isMarkdownable['table'] = array();
-        $this->isMarkdownable['th'] = array(
-            'align' => 'optional',
-        );
-        $this->isMarkdownable['td'] = array(
-            'align' => 'optional',
-        );
-        $this->isMarkdownable['tr'] = array();
-        array_push($this->ignore, 'thead');
-        array_push($this->ignore, 'tbody');
-        array_push($this->ignore, 'tfoot');
-        // definition lists
-        $this->isMarkdownable['dl'] = array();
-        $this->isMarkdownable['dd'] = array();
-        $this->isMarkdownable['dt'] = array();
-        // link class
-        $this->isMarkdownable['a']['id'] = 'optional';
-        $this->isMarkdownable['a']['class'] = 'optional';
-        // footnotes
-        $this->isMarkdownable['fnref'] = array(
-            'target' => 'required',
-        );
-        $this->isMarkdownable['footnotes'] = array();
-        $this->isMarkdownable['fn'] = array(
-            'name' => 'required',
-        );
-        $this->parser->blockElements['fnref'] = false;
-        $this->parser->blockElements['fn'] = true;
-        $this->parser->blockElements['footnotes'] = true;
-        // abbr
-        $this->isMarkdownable['abbr'] = array(
-            'title' => 'required',
-        );
-        // build RegEx lookahead to decide wether table can pe parsed or not
-        $inlineTags = array_keys($this->parser->blockElements, false);
-        $colContents = '(?:[^<]|<(?:' . implode('|', $inlineTags) . '|[^a-z]))*';
-        $this->tableLookaheadHeader = '{
-    ^\s*(?:<thead\s*>)?\s*                                  # open optional thead
-      <tr\s*>\s*(?:                                         # start required row with headers
-        <th(?:\s+align=("|\')(?:left|center|right)\1)?\s*>  # header with optional align
-        \s*' . $colContents . '\s*                              # contents
-        </th>\s*                                            # close header
-      )+</tr>                                               # close row with headers
-    \s*(?:</thead>)?                                        # close optional thead
-    }sxi';
-        $this->tdSubstitute = '\s*' . $colContents . '\s*           # contents
-          </td>\s*';
-        $this->tableLookaheadBody = '{
-      \s*(?:<tbody\s*>)?\s*                                 # open optional tbody
-        (?:<tr\s*>\s*                                       # start row
-          %s                                                # cols to be substituted
-        </tr>)+                                             # close row
-      \s*(?:</tbody>)?                                      # close optional tbody
-    \s*</table>                                             # close table
-    }sxi';
-    }
-
-    /**
-     * handle header tags (<h1> - <h6>)
-     *
-     * @param int $level 1-6
-     * @return void
-     */
-    protected function handleHeader($level)
-    {
-        if ($this->parser->isStartTag) {
-            $this->parser->tagAttributes['cssSelector'] = $this->getCurrentCssSelector();
-            $this->stack();
-        } else {
-            $tag = $this->unstack();
-            if (!empty($tag['cssSelector'])) {
-                // {#id.class}
-                $this->out(' {' . $tag['cssSelector'] . '}');
-            }
-        }
-        parent::handleHeader($level);
-    }
-
-    /**
-     * handle <a> tags parsing
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_a_parser()
-    {
-        parent::handleTag_a_parser();
-        $this->parser->tagAttributes['cssSelector'] = $this->getCurrentCssSelector();
-    }
-
-    /**
-     * handle <a> tags conversion
-     *
-     * @param array $tag
-     * @param string $buffer
-     * @return string The markdownified link
-     */
-    protected function handleTag_a_converter($tag, $buffer)
-    {
-        $output = parent::handleTag_a_converter($tag, $buffer);
-        if (!empty($tag['cssSelector'])) {
-            // [This link][id]{#id.class}
-            $output .= '{' . $tag['cssSelector'] . '}';
-        }
-
-        return $output;
-    }
-
-    /**
-     * handle <abbr> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_abbr()
-    {
-        if ($this->parser->isStartTag) {
-            $this->stack();
-            $this->buffer();
-        } else {
-            $tag = $this->unstack();
-            $tag['text'] = $this->unbuffer();
-            $add = true;
-            foreach ($this->stack['abbr'] as $stacked) {
-                if ($stacked['text'] == $tag['text']) {
-                    /** TODO: differing abbr definitions, i.e. different titles for same text **/
-                    $add = false;
-                    break;
-                }
-            }
-            $this->out($tag['text']);
-            if ($add) {
-                array_push($this->stack['abbr'], $tag);
-            }
-        }
-    }
-
-    /**
-     * flush stacked abbr tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function flushStacked_abbr()
-    {
-        $out = array();
-        foreach ($this->stack['abbr'] as $k => $tag) {
-            if (!isset($tag['unstacked'])) {
-                array_push($out, ' *[' . $tag['text'] . ']: ' . $tag['title']);
-                $tag['unstacked'] = true;
-                $this->stack['abbr'][$k] = $tag;
-            }
-        }
-        if (!empty($out)) {
-            $this->out("\n\n" . implode("\n", $out));
-        }
-    }
-
-    /**
-     * handle <table> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_table()
-    {
-        if ($this->parser->isStartTag) {
-            // check if upcoming table can be converted
-            if ($this->keepHTML) {
-                if (preg_match($this->tableLookaheadHeader, $this->parser->html, $matches)) {
-                    // header seems good, now check body
-                    // get align & number of cols
-                    preg_match_all('#<th(?:\s+align=("|\')(left|right|center)\1)?\s*>#si', $matches[0], $cols);
-                    $regEx = '';
-                    $i = 1;
-                    $aligns = array();
-                    foreach ($cols[2] as $align) {
-                        $align = strtolower($align);
-                        array_push($aligns, $align);
-                        if (empty($align)) {
-                            $align = 'left'; // default value
-                        }
-                        $td = '\s+align=("|\')' . $align . '\\' . $i;
-                        $i++;
-                        if ($align == 'left') {
-                            // look for empty align or left
-                            $td = '(?:' . $td . ')?';
-                        }
-                        $td = '<td' . $td . '\s*>';
-                        $regEx .= $td . $this->tdSubstitute;
-                    }
-                    $regEx = sprintf($this->tableLookaheadBody, $regEx);
-                    if (preg_match($regEx, $this->parser->html, $matches, null, strlen($matches[0]))) {
-                        // this is a markdownable table tag!
-                        $this->table = array(
-                            'rows' => array(),
-                            'col_widths' => array(),
-                            'aligns' => $aligns,
-                        );
-                        $this->row = 0;
-                    } else {
-                        // non markdownable table
-                        $this->handleTagToText();
-                    }
-                } else {
-                    // non markdownable table
-                    $this->handleTagToText();
-                }
-            } else {
-                $this->table = array(
-                    'rows' => array(),
-                    'col_widths' => array(),
-                    'aligns' => array(),
-                );
-                $this->row = 0;
-            }
-        } else {
-            // finally build the table in Markdown Extra syntax
-            $separator = array();
-            if (!isset($this->table['aligns'])) {
-                $this->table['aligns'] = array();
-            }
-            // seperator with correct align identifiers
-            foreach ($this->table['aligns'] as $col => $align) {
-                if (!$this->keepHTML && !isset($this->table['col_widths'][$col])) {
-                    break;
-                }
-                $left = ' ';
-                $right = ' ';
-                switch ($align) {
-                    case 'left':
-                        $left = ':';
-                        break;
-                    case 'center':
-                        $right = ':';
-                        $left = ':';
-                    case 'right':
-                        $right = ':';
-                        break;
-                }
-                array_push($separator, $left . str_repeat('-', $this->table['col_widths'][$col]) . $right);
-            }
-            $separator = '|' . implode('|', $separator) . '|';
-
-            $rows = array();
-            // add padding
-            array_walk_recursive($this->table['rows'], array(&$this, 'alignTdContent'));
-            $header = array_shift($this->table['rows']);
-            array_push($rows, '| ' . implode(' | ', $header) . ' |');
-            array_push($rows, $separator);
-            foreach ($this->table['rows'] as $row) {
-                array_push($rows, '| ' . implode(' | ', $row) . ' |');
-            }
-            $this->out(implode("\n" . $this->indent, $rows));
-            $this->table = array();
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * properly pad content so it is aligned as whished
-     * should be used with array_walk_recursive on $this->table['rows']
-     *
-     * @param string &$content
-     * @param int $col
-     * @return void
-     */
-    protected function alignTdContent(&$content, $col)
-    {
-        if (!isset($this->table['aligns'][$col])) {
-            $this->table['aligns'][$col] = 'left';
-        }
-        switch ($this->table['aligns'][$col]) {
-            default:
-            case 'left':
-                $content .= str_repeat(' ', $this->table['col_widths'][$col] - $this->strlen($content));
-                break;
-            case 'right':
-                $content = str_repeat(' ', $this->table['col_widths'][$col] - $this->strlen($content)) . $content;
-                break;
-            case 'center':
-                $paddingNeeded = $this->table['col_widths'][$col] - $this->strlen($content);
-                $left = floor($paddingNeeded / 2);
-                $right = $paddingNeeded - $left;
-                $content = str_repeat(' ', $left) . $content . str_repeat(' ', $right);
-                break;
-        }
-    }
-
-    /**
-     * handle <tr> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_tr()
-    {
-        if ($this->parser->isStartTag) {
-            $this->col = -1;
-        } else {
-            $this->row++;
-        }
-    }
-
-    /**
-     * handle <td> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_td()
-    {
-        if ($this->parser->isStartTag) {
-            $this->col++;
-            if (!isset($this->table['col_widths'][$this->col])) {
-                $this->table['col_widths'][$this->col] = 0;
-            }
-            $this->buffer();
-        } else {
-            $buffer = trim($this->unbuffer());
-            if (!isset($this->table['col_widths'][$this->col])) {
-                $this->table['col_widths'][$this->col] = 0;
-            }
-            $this->table['col_widths'][$this->col] = max($this->table['col_widths'][$this->col], $this->strlen($buffer));
-            $this->table['rows'][$this->row][$this->col] = $buffer;
-        }
-    }
-
-    /**
-     * handle <th> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_th()
-    {
-        if (!$this->keepHTML && !isset($this->table['rows'][1]) && !isset($this->table['aligns'][$this->col + 1])) {
-            if (isset($this->parser->tagAttributes['align'])) {
-                $this->table['aligns'][$this->col + 1] = $this->parser->tagAttributes['align'];
-            } else {
-                $this->table['aligns'][$this->col + 1] = '';
-            }
-        }
-        $this->handleTag_td();
-    }
-
-    /**
-     * handle <dl> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_dl()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * handle <dt> tags
-     *
-     * @param void
-     * @return void
-     **/
-    protected function handleTag_dt()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(1);
-        }
-    }
-
-    /**
-     * handle <dd> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_dd()
-    {
-        if ($this->parser->isStartTag) {
-            if (substr(ltrim($this->parser->html), 0, 3) == '<p>') {
-                // next comes a paragraph, so we'll need an extra line
-                $this->out("\n" . $this->indent);
-            } elseif (substr($this->output, -2) == "\n\n") {
-                $this->output = substr($this->output, 0, -1);
-            }
-            $this->out(':   ');
-            $this->indent('    ', false);
-        } else {
-            // lookahead for next dt
-            if (substr(ltrim($this->parser->html), 0, 4) == '<dt>') {
-                $this->setLineBreaks(2);
-            } else {
-                $this->setLineBreaks(1);
-            }
-            $this->indent('    ');
-        }
-    }
-
-    /**
-     * handle <fnref /> tags (custom footnote references, see markdownify_extra::parseString())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_fnref()
-    {
-        $this->out('[^' . $this->parser->tagAttributes['target'] . ']');
-    }
-
-    /**
-     * handle <fn> tags (custom footnotes, see markdownify_extra::parseString()
-     * and markdownify_extra::_makeFootnotes())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_fn()
-    {
-        if ($this->parser->isStartTag) {
-            $this->out('[^' . $this->parser->tagAttributes['name'] . ']:');
-            $this->setLineBreaks(1);
-        } else {
-            $this->setLineBreaks(2);
-        }
-        $this->indent('    ');
-    }
-
-    /**
-     * handle <footnotes> tag (custom footnotes, see markdownify_extra::parseString()
-     *  and markdownify_extra::_makeFootnotes())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_footnotes()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * parse a HTML string, clean up footnotes prior
-     *
-     * @param string $HTML input
-     * @return string Markdown formatted output
-     */
-    public function parseString($html)
-    {
-        /** TODO: custom markdown-extra options, e.g. titles & classes **/
-        // <sup id="fnref:..."><a href"#fn..." rel="footnote">...</a></sup>
-        // => <fnref target="..." />
-        $html = preg_replace('@<sup id="fnref:([^"]+)">\s*<a href="#fn:\1" rel="footnote">\s*\d+\s*</a>\s*</sup>@Us', '<fnref target="$1" />', $html);
-        // <div class="footnotes">
-        // <hr />
-        // <ol>
-        //
-        // <li id="fn:...">...</li>
-        // ...
-        //
-        // </ol>
-        // </div>
-        // =>
-        // <footnotes>
-        //   <fn name="...">...</fn>
-        //   ...
-        // </footnotes>
-        $html = preg_replace_callback('#<div class="footnotes">\s*<hr />\s*<ol>\s*(.+)\s*</ol>\s*</div>#Us', array(&$this, '_makeFootnotes'), $html);
-
-        return parent::parseString($html);
-    }
-
-    /**
-     * replace HTML representation of footnotes with something more easily parsable
-     *
-     * @note this is a callback to be used in parseString()
-     *
-     * @param array $matches
-     * @return string
-     */
-    protected function _makeFootnotes($matches)
-    {
-        // <li id="fn:1">
-        //   ...
-        //   <a href="#fnref:block" rev="footnote">&#8617;</a></p>
-        // </li>
-        // => <fn name="1">...</fn>
-        // remove footnote link
-        $fns = preg_replace('@\s*(&#160;\s*)?<a href="#fnref:[^"]+" rev="footnote"[^>]*>&#8617;</a>\s*@s', '', $matches[1]);
-        // remove empty paragraph
-        $fns = preg_replace('@<p>\s*</p>@s', '', $fns);
-        // <li id="fn:1">...</li> -> <footnote nr="1">...</footnote>
-        $fns = str_replace('<li id="fn:', '<fn name="', $fns);
-
-        $fns = '<footnotes>' . $fns . '</footnotes>';
-
-        return preg_replace('#</li>\s*(?=(?:<fn|</footnotes>))#s', '</fn>$1', $fns);
-    }
-
-    /**
-     * handle <a> tags parsing
-     *
-     * @param void
-     * @return void
-     */
-    protected function getCurrentCssSelector()
-    {
-        $cssSelector = '';
-        if (isset($this->parser->tagAttributes['id'])) {
-            $cssSelector .= '#' . $this->decode($this->parser->tagAttributes['id']);
-        }
-        if (isset($this->parser->tagAttributes['class'])) {
-            $classes = explode(' ', $this->decode($this->parser->tagAttributes['class']));
-            $classes = array_filter($classes);
-            $cssSelector .= '.' . join('.', $classes);
-        }
-        return $cssSelector;
-    }
-}
diff --git a/vendor/pixel418/markdownify/src/Parser.php b/vendor/pixel418/markdownify/src/Parser.php
deleted file mode 100644
index 90fcdf9f8..000000000
--- a/vendor/pixel418/markdownify/src/Parser.php
+++ /dev/null
@@ -1,564 +0,0 @@
-<?php
-
-/* This file is part of the Markdownify project, which is under LGPL license */
-
-namespace Markdownify;
-
-class Parser
-{
-    public static $skipWhitespace = true;
-    public static $a_ord;
-    public static $z_ord;
-    public static $special_ords;
-
-    /**
-     * tags which are always empty (<br /> etc.)
-     *
-     * @var array<string>
-     */
-    public $emptyTags = array(
-        'br',
-        'hr',
-        'input',
-        'img',
-        'area',
-        'link',
-        'meta',
-        'param',
-    );
-
-    /**
-     * tags with preformatted text
-     * whitespaces wont be touched in them
-     *
-     * @var array<string>
-     */
-    public $preformattedTags = array(
-        'script',
-        'style',
-        'pre',
-        'code',
-    );
-
-    /**
-     * supress HTML tags inside preformatted tags (see above)
-     *
-     * @var bool
-     */
-    public $noTagsInCode = false;
-
-    /**
-     * html to be parsed
-     *
-     * @var string
-     */
-    public $html = '';
-
-    /**
-     * node type:
-     *
-     * - tag (see isStartTag)
-     * - text (includes cdata)
-     * - comment
-     * - doctype
-     * - pi (processing instruction)
-     *
-     * @var string
-     */
-    public $nodeType = '';
-
-    /**
-     * current node content, i.e. either a
-     * simple string (text node), or something like
-     * <tag attrib="value"...>
-     *
-     * @var string
-     */
-    public $node = '';
-
-    /**
-     * wether current node is an opening tag (<a>) or not (</a>)
-     * set to NULL if current node is not a tag
-     * NOTE: empty tags (<br />) set this to true as well!
-     *
-     * @var bool | null
-     */
-    public $isStartTag = null;
-
-    /**
-     * wether current node is an empty tag (<br />) or not (<a></a>)
-     *
-     * @var bool | null
-     */
-    public $isEmptyTag = null;
-
-    /**
-     * tag name
-     *
-     * @var string | null
-     */
-    public $tagName = '';
-
-    /**
-     * attributes of current tag
-     *
-     * @var array (attribName=>value) | null
-     */
-    public $tagAttributes = null;
-
-    /**
-     * whether or not the actual context is a inline context
-     *
-     * @var bool | null
-     */
-    public $isInlineContext = null;
-
-    /**
-     * whether the current tag is a block element
-     *
-     * @var bool | null
-     */
-    public $isBlockElement = null;
-
-    /**
-     * whether the previous tag (browser) is a block element
-     *
-     * @var bool | null
-     */
-    public $isNextToInlineContext = null;
-
-    /**
-     * keep whitespace
-     *
-     * @var int
-     */
-    public $keepWhitespace = 0;
-
-    /**
-     * list of open tags
-     * count this to get current depth
-     *
-     * @var array
-     */
-    public $openTags = array();
-
-    /**
-     * list of block elements
-     *
-     * @var array
-     * TODO: what shall we do with <del> and <ins> ?!
-     */
-    public $blockElements = array(
-        // tag name => <bool> is block
-        // block elements
-        'address' => true,
-        'blockquote' => true,
-        'center' => true,
-        'del' => true,
-        'dir' => true,
-        'div' => true,
-        'dl' => true,
-        'fieldset' => true,
-        'form' => true,
-        'h1' => true,
-        'h2' => true,
-        'h3' => true,
-        'h4' => true,
-        'h5' => true,
-        'h6' => true,
-        'hr' => true,
-        'ins' => true,
-        'isindex' => true,
-        'menu' => true,
-        'noframes' => true,
-        'noscript' => true,
-        'ol' => true,
-        'p' => true,
-        'pre' => true,
-        'table' => true,
-        'ul' => true,
-        // set table elements and list items to block as well
-        'thead' => true,
-        'tbody' => true,
-        'tfoot' => true,
-        'td' => true,
-        'tr' => true,
-        'th' => true,
-        'li' => true,
-        'dd' => true,
-        'dt' => true,
-        // header items and html / body as well
-        'html' => true,
-        'body' => true,
-        'head' => true,
-        'meta' => true,
-        'link' => true,
-        'style' => true,
-        'title' => true,
-        // unfancy media tags, when indented should be rendered as block
-        'map' => true,
-        'object' => true,
-        'param' => true,
-        'embed' => true,
-        'area' => true,
-        // inline elements
-        'a' => false,
-        'abbr' => false,
-        'acronym' => false,
-        'applet' => false,
-        'b' => false,
-        'basefont' => false,
-        'bdo' => false,
-        'big' => false,
-        'br' => false,
-        'button' => false,
-        'cite' => false,
-        'code' => false,
-        'del' => false,
-        'dfn' => false,
-        'em' => false,
-        'font' => false,
-        'i' => false,
-        'img' => false,
-        'ins' => false,
-        'input' => false,
-        'iframe' => false,
-        'kbd' => false,
-        'label' => false,
-        'q' => false,
-        'samp' => false,
-        'script' => false,
-        'select' => false,
-        'small' => false,
-        'span' => false,
-        'strong' => false,
-        'sub' => false,
-        'sup' => false,
-        'textarea' => false,
-        'tt' => false,
-        'var' => false,
-    );
-
-    /**
-     * get next node, set $this->html prior!
-     *
-     * @param void
-     * @return bool
-     */
-    public function nextNode()
-    {
-        if (empty($this->html)) {
-            // we are done with parsing the html string
-
-            return false;
-        }
-
-        if ($this->isStartTag && !$this->isEmptyTag) {
-            array_push($this->openTags, $this->tagName);
-            if (in_array($this->tagName, $this->preformattedTags)) {
-                // dont truncate whitespaces for <code> or <pre> contents
-                $this->keepWhitespace++;
-            }
-        }
-
-        if ($this->html[0] == '<') {
-            $token = substr($this->html, 0, 9);
-            if (substr($token, 0, 2) == '<?') {
-                // xml prolog or other pi's
-                /** TODO **/
-                // trigger_error('this might need some work', E_USER_NOTICE);
-                $pos = strpos($this->html, '>');
-                $this->setNode('pi', $pos + 1);
-
-                return true;
-            }
-            if (substr($token, 0, 4) == '<!--') {
-                // comment
-                $pos = strpos($this->html, '-->');
-                if ($pos === false) {
-                    // could not find a closing -->, use next gt instead
-                    // this is firefox' behaviour
-                    $pos = strpos($this->html, '>') + 1;
-                } else {
-                    $pos += 3;
-                }
-                $this->setNode('comment', $pos);
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($token == '<!DOCTYPE') {
-                // doctype
-                $this->setNode('doctype', strpos($this->html, '>') + 1);
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($token == '<![CDATA[') {
-                // cdata, use text node
-
-                // remove leading <![CDATA[
-                $this->html = substr($this->html, 9);
-
-                $this->setNode('text', strpos($this->html, ']]>') + 3);
-
-                // remove trailing ]]> and trim
-                $this->node = substr($this->node, 0, -3);
-                $this->handleWhitespaces();
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($this->parseTag()) {
-                // seems to be a tag
-                // handle whitespaces
-                if ($this->isBlockElement) {
-                    static::$skipWhitespace = true;
-                } else {
-                    static::$skipWhitespace = false;
-                }
-
-                return true;
-            }
-        }
-        if ($this->keepWhitespace) {
-            static::$skipWhitespace = false;
-        }
-        // when we get here it seems to be a text node
-        $pos = strpos($this->html, '<');
-        if ($pos === false) {
-            $pos = strlen($this->html);
-        }
-        $this->setNode('text', $pos);
-        $this->handleWhitespaces();
-        if (static::$skipWhitespace && $this->node == ' ') {
-            return $this->nextNode();
-        }
-        $this->isInlineContext = true;
-        static::$skipWhitespace = false;
-
-        return true;
-    }
-
-    /**
-     * parse tag, set tag name and attributes, see if it's a closing tag and so forth...
-     *
-     * @param void
-     * @return bool
-     */
-    protected function parseTag()
-    {
-        if (!isset(static::$a_ord)) {
-            static::$a_ord = ord('a');
-            static::$z_ord = ord('z');
-            static::$special_ords = array(
-                ord(':'), // for xml:lang
-                ord('-'), // for http-equiv
-            );
-        }
-
-        $tagName = '';
-
-        $pos = 1;
-        $isStartTag = $this->html[$pos] != '/';
-        if (!$isStartTag) {
-            $pos++;
-        }
-        // get tagName
-        while (isset($this->html[$pos])) {
-            $pos_ord = ord(strtolower($this->html[$pos]));
-            if (($pos_ord >= static::$a_ord && $pos_ord <= static::$z_ord) || (!empty($tagName) && is_numeric($this->html[$pos]))) {
-                $tagName .= $this->html[$pos];
-                $pos++;
-            } else {
-                $pos--;
-                break;
-            }
-        }
-
-        $tagName = strtolower($tagName);
-        if (empty($tagName) || !isset($this->blockElements[$tagName])) {
-            // something went wrong => invalid tag
-            $this->invalidTag();
-
-            return false;
-        }
-        if ($this->noTagsInCode && end($this->openTags) == 'code' && !($tagName == 'code' && !$isStartTag)) {
-            // we supress all HTML tags inside code tags
-            $this->invalidTag();
-
-            return false;
-        }
-
-        // get tag attributes
-        /** TODO: in html 4 attributes do not need to be quoted **/
-        $isEmptyTag = false;
-        $attributes = array();
-        $currAttrib = '';
-        while (isset($this->html[$pos + 1])) {
-            $pos++;
-            // close tag
-            if ($this->html[$pos] == '>' || $this->html[$pos] . $this->html[$pos + 1] == '/>') {
-                if ($this->html[$pos] == '/') {
-                    $isEmptyTag = true;
-                    $pos++;
-                }
-                break;
-            }
-
-            $pos_ord = ord(strtolower($this->html[$pos]));
-            if (($pos_ord >= static::$a_ord && $pos_ord <= static::$z_ord) || in_array($pos_ord, static::$special_ords)) {
-                // attribute name
-                $currAttrib .= $this->html[$pos];
-            } elseif (in_array($this->html[$pos], array(' ', "\t", "\n"))) {
-                // drop whitespace
-            } elseif (in_array($this->html[$pos] . $this->html[$pos + 1], array('="', "='"))) {
-                // get attribute value
-                $pos++;
-                $await = $this->html[$pos]; // single or double quote
-                $pos++;
-                $value = '';
-                while (isset($this->html[$pos]) && $this->html[$pos] != $await) {
-                    $value .= $this->html[$pos];
-                    $pos++;
-                }
-                $attributes[$currAttrib] = $value;
-                $currAttrib = '';
-            } else {
-                $this->invalidTag();
-
-                return false;
-            }
-        }
-        if ($this->html[$pos] != '>') {
-            $this->invalidTag();
-
-            return false;
-        }
-
-        if (!empty($currAttrib)) {
-            // html 4 allows something like <option selected> instead of <option selected="selected">
-            $attributes[$currAttrib] = $currAttrib;
-        }
-        if (!$isStartTag) {
-            if (!empty($attributes) || $tagName != end($this->openTags)) {
-                // end tags must not contain any attributes
-                // or maybe we did not expect a different tag to be closed
-                $this->invalidTag();
-
-                return false;
-            }
-            array_pop($this->openTags);
-            if (in_array($tagName, $this->preformattedTags)) {
-                $this->keepWhitespace--;
-            }
-        }
-        $pos++;
-        $this->node = substr($this->html, 0, $pos);
-        $this->html = substr($this->html, $pos);
-        $this->tagName = $tagName;
-        $this->tagAttributes = $attributes;
-        $this->isStartTag = $isStartTag;
-        $this->isEmptyTag = $isEmptyTag || in_array($tagName, $this->emptyTags);
-        if ($this->isEmptyTag) {
-            // might be not well formed
-            $this->node = preg_replace('# */? *>$#', ' />', $this->node);
-        }
-        $this->nodeType = 'tag';
-        $this->isBlockElement = $this->blockElements[$tagName];
-        $this->isNextToInlineContext = $isStartTag && $this->isInlineContext;
-        $this->isInlineContext = !$this->isBlockElement;
-        return true;
-    }
-
-    /**
-     * handle invalid tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function invalidTag()
-    {
-        $this->html = substr_replace($this->html, '&lt;', 0, 1);
-    }
-
-    /**
-     * update all vars and make $this->html shorter
-     *
-     * @param string $type see description for $this->nodeType
-     * @param int $pos to which position shall we cut?
-     * @return void
-     */
-    protected function setNode($type, $pos)
-    {
-        if ($this->nodeType == 'tag') {
-            // set tag specific vars to null
-            // $type == tag should not be called here
-            // see this::parseTag() for more
-            $this->tagName = null;
-            $this->tagAttributes = null;
-            $this->isStartTag = null;
-            $this->isEmptyTag = null;
-            $this->isBlockElement = null;
-
-        }
-        $this->nodeType = $type;
-        $this->node = substr($this->html, 0, $pos);
-        $this->html = substr($this->html, $pos);
-    }
-
-    /**
-     * check if $this->html begins with $str
-     *
-     * @param string $str
-     * @return bool
-     */
-    protected function match($str)
-    {
-        return substr($this->html, 0, strlen($str)) == $str;
-    }
-
-    /**
-     * truncate whitespaces
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleWhitespaces()
-    {
-        if ($this->keepWhitespace) {
-            // <pre> or <code> before...
-
-            return;
-        }
-        // truncate multiple whitespaces to a single one
-        $this->node = preg_replace('#\s+#s', ' ', $this->node);
-    }
-
-    /**
-     * normalize self::node
-     *
-     * @param void
-     * @return void
-     */
-    protected function normalizeNode()
-    {
-        $this->node = '<';
-        if (!$this->isStartTag) {
-            $this->node .= '/' . $this->tagName . '>';
-
-            return;
-        }
-        $this->node .= $this->tagName;
-        foreach ($this->tagAttributes as $name => $value) {
-            $this->node .= ' ' . $name . '="' . str_replace('"', '&quot;', $value) . '"';
-        }
-        if ($this->isEmptyTag) {
-            $this->node .= ' /';
-        }
-        $this->node .= '>';
-    }
-}