From ec548a46b7528450fd3977312d860d10b1140523 Mon Sep 17 00:00:00 2001
From: Gregorio Chiko Putra <gregorio@lepisi.ac.id>
Date: Fri, 15 Sep 2017 13:56:24 +0700
Subject: [PATCH] Added MDE (issue #4)

---
 App/Controllers/Posts.php                     |    5 +-
 App/Views/Data/edit_pengumuman.html           |   40 +-
 App/Views/Data/entry_pengumuman.html          |   13 +-
 App/Views/Data/pengumuman.html                |    6 +-
 App/Views/base.html                           |    6 +
 Core/View.php                                 |   11 +-
 public/css/simplemde.min.css                  |    7 +
 public/js/simplemde.min.js                    |   15 +
 vendor/composer/autoload_namespaces.php       |    1 +
 vendor/composer/autoload_static.php           |    7 +
 vendor/composer/installed.json                |   53 +
 vendor/michelf/php-markdown/License.md        |   36 +
 .../php-markdown/Michelf/Markdown.inc.php     |   10 +
 .../michelf/php-markdown/Michelf/Markdown.php | 1896 +++++++++++++++++
 .../Michelf/MarkdownExtra.inc.php             |   11 +
 .../php-markdown/Michelf/MarkdownExtra.php    | 1785 ++++++++++++++++
 .../Michelf/MarkdownInterface.inc.php         |    9 +
 .../Michelf/MarkdownInterface.php             |   38 +
 vendor/michelf/php-markdown/Readme.md         |  384 ++++
 vendor/michelf/php-markdown/Readme.php        |   31 +
 vendor/michelf/php-markdown/composer.json     |   31 +
 21 files changed, 4351 insertions(+), 44 deletions(-)
 create mode 100644 public/css/simplemde.min.css
 create mode 100644 public/js/simplemde.min.js
 create mode 100644 vendor/michelf/php-markdown/License.md
 create mode 100644 vendor/michelf/php-markdown/Michelf/Markdown.inc.php
 create mode 100644 vendor/michelf/php-markdown/Michelf/Markdown.php
 create mode 100644 vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php
 create mode 100644 vendor/michelf/php-markdown/Michelf/MarkdownExtra.php
 create mode 100644 vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php
 create mode 100644 vendor/michelf/php-markdown/Michelf/MarkdownInterface.php
 create mode 100644 vendor/michelf/php-markdown/Readme.md
 create mode 100644 vendor/michelf/php-markdown/Readme.php
 create mode 100644 vendor/michelf/php-markdown/composer.json

diff --git a/App/Controllers/Posts.php b/App/Controllers/Posts.php
index d099c7c..adb73d4 100644
--- a/App/Controllers/Posts.php
+++ b/App/Controllers/Posts.php
@@ -8,6 +8,7 @@ use \Core\Token;
 use \Core\Session;
 use \Core\Redirect;
 use \Core\XSS;
+use \Michelf\Markdown;
 
 class Posts
 {
@@ -120,7 +121,7 @@ class Posts
     {
         if (Session::exists('userid')) {
             $date = new \DateTime();
-            $now = $date->format("Y-m-d");
+            $now = $date->format("d-m-Y");
 
             $get_categories = $this->model->showAll([], 'kategori');
             $categories = [];
@@ -187,7 +188,7 @@ class Posts
                 ], $table);
 
                 $date = new \DateTime();
-                $timestamp = $date->format("Y-m-d");
+                $timestamp = $date->format("d-m-Y");
 
                 View::render(
                     'Data/edit_pengumuman.html',
diff --git a/App/Views/Data/edit_pengumuman.html b/App/Views/Data/edit_pengumuman.html
index 4275c97..04e4e1c 100644
--- a/App/Views/Data/edit_pengumuman.html
+++ b/App/Views/Data/edit_pengumuman.html
@@ -13,7 +13,7 @@
                     <div class="stack">
                         <label>Dibuat pada: </label>
                         <span>
-                            {{ post.created_at }}
+                            {{ post.created_at|date("d-m-Y") }}
                         </span>
                     </div>
                     <div class="stack">
@@ -28,7 +28,7 @@
                             {% if post.edited_at is empty %}
                             -
                             {% else %}
-                            {{ post.edited_at }}
+                            {{ post.edited_at|date("d-m-Y") }}
                             {% endif %}
                         </span>
                         <input type="hidden" name="edited_at" value="{{ timestamp }}">
@@ -84,7 +84,7 @@
                             <label for="content">Konten: </label>
                         </div>
                         <div class="stack">
-                            <textarea name="content" rows="3" maxlength="255">{{ post.content }}</textarea>
+                            <textarea id="smde" name="content" rows="3" maxlength="255">{{ post.content }}</textarea>
                         </div>
                         <input type="hidden" name="old_content" value="{{ post.content }}">
                     </div>
@@ -94,9 +94,9 @@
                             <label for="valid_at">Berlaku dari: </label>
                         </div>
                         <div class="stack">
-                            <input id="left" name="valid_at" value="{{ post.valid_at }}">
+                            <input id="left" name="valid_at" value="{{ post.valid_at|date("d-m-Y") }}">
                         </div>
-                        <input type="hidden" name="old_valid_at" value="{{ post.valid_at }}">
+                        <input type="hidden" name="old_valid_at" value="{{ post.valid_at|date("d-m-Y") }}">
                     </div>
 
                     <div class="stack">
@@ -104,16 +104,13 @@
                             <label for="expired_at">Berlaku sampai: </label>
                         </div>
                         <div class="stack">
-                            <input id="right" name="expired_at" value="{{ post.expired_at }}">
+                            <input id="right" name="expired_at" value="{{ post.expired_at|date("d-m-Y") }}">
                         </div>
-                        <input type="hidden" name="old_expired_at" value="{{ post.expired_at }}">
+                        <input type="hidden" name="old_expired_at" value="{{ post.expired_at|date("d-m-Y") }}">
                     </div>
 
-                    <!-- Current Timestamp -->
                     <input type="hidden" name="_currts" value="{{ timestamp }}" disabled>
-                    <!-- Method -->
                     <input type="hidden" name="_method" value="put">
-                    <!-- Token -->
                     <input type="hidden" name="_token" value="{{ token }}">
 
                     <div class="off-four-fifth-600 full">
@@ -122,31 +119,12 @@
                         disabled
                         {% endif %}>
                         <i class="fa fa-edit fa-fw" aria-hidden="true"></i>
+                        <span style="font-size:smaller;">Ubah</span>
                         </button>
                     </div>
                 </div>
             </div>
         </form>
-
-        {% if (post.status == 1 and editor_now.id == creator.id) %}
-        <div class="flex five grow">
-            <div class="off-two-fifth-600">
-                <form method="post">
-                    <input type="hidden" name="id" value="{{ post.id }}">
-                    <!-- Method -->
-                    <input type="hidden" name="_method" value="delete">
-                    <!-- Token -->
-                    <input type="hidden" name="_token" value="{{ token }}">
-
-                    <div class="off-four-fifth-600 full">
-                        <button type="submit" class="error fifth">
-                            <i class="fa fa-times-circle-o fa-fw" aria-hidden="true"></i>
-                        </button>
-                    </div>
-                </form>
-            </div>
-        </div>
-        {% endif %}
     </section>
 </main>
 
@@ -159,5 +137,7 @@
         dateValidator: rome.val.afterEq(left),
         time: false
     });
+
+    var simplemde = new SimpleMDE({ element: document.getElementById("smde") });
 </script>
 {% endblock %}
diff --git a/App/Views/Data/entry_pengumuman.html b/App/Views/Data/entry_pengumuman.html
index ab673ad..e27d7d7 100644
--- a/App/Views/Data/entry_pengumuman.html
+++ b/App/Views/Data/entry_pengumuman.html
@@ -5,11 +5,10 @@
 {% block body %}
 <main class="documentation">
     <section>
+        <h2>Tambah Pengumuman</h2>
         <form method="post">
-            <h2>Tambah Pengumuman</h2>
             <div class="flex three grow">
                 <div class="full third-600">
-
                     <label for="category">Kategori</label>
                     <select name="category">
                         {% for cat in categories %}
@@ -32,24 +31,22 @@
 
                 <div class="full two-third-600">
                     <label for="content">Konten: </label>
-                    <textarea name="content" rows="2" cols="30" maxlength="255"></textarea>
+                    <textarea id="smde" name="content" maxlength="255"></textarea>
                 </div>
 
                 <input type="hidden" name="creator" value="{{ user }}">
 
-                <!-- Current Timestamp -->
                 <input type="hidden" name="_currts" value="{{ timestamp }}" disabled>
 
-                <!-- Method -->
                 <input type="hidden" name="_method" value="post">
 
-                <!-- Token -->
                 <input type="hidden" name="_token" value="{{ token }}">
 
                 <br>
 
-                <button type="submit">
+                <button type="submit" class="pseudo">
                     <i class="fa fa-check fa-fw"></i>
+                    <span style="font-size:smaller;">Unggah</span>
                 </button>
             </div>
         </form>
@@ -65,5 +62,7 @@
         dateValidator: rome.val.afterEq(left),
         time: false
     });
+
+    var simplemde = new SimpleMDE({ element: document.getElementById("smde") });
 </script>
 {% endblock %}
diff --git a/App/Views/Data/pengumuman.html b/App/Views/Data/pengumuman.html
index 6bd15f8..9130761 100644
--- a/App/Views/Data/pengumuman.html
+++ b/App/Views/Data/pengumuman.html
@@ -32,7 +32,7 @@
                 {% for post in posts %}
                     <div data-slidr="{{ post.id }}" style="width: 100%;">
                         <div class="fitty" style="padding: 0 5rem">
-                            {{ post.content | raw }}
+                            {{ post.content|rendermd }}
                         </div>
                     </div>
                 {% endfor %}
@@ -55,8 +55,8 @@
 
                 {% for post in posts %}
                     <div class="fourth-900 half-600 card box">
-                            <span class="stack" style="font-size:smaller;color:rgba(17,17,17,.4);margin-bottom:.6em;">[{{ post.valid_at }} - {{ post.expired_at }}]</span>
-                            <span class="stack">{{ post.content }}</span>
+                            <span class="stack" style="font-size:smaller;color:rgba(17,17,17,.4);margin-bottom:.6em;">[{{ post.valid_at|date("d/m/Y") }} - {{ post.expired_at|date("d/m/Y") }}]</span>
+                            <span class="stack">{{ post.content|rendermd }}</span>
                             <form method="post">
                                 <footer class="flex full grow">
                                     {% if post.status != 0 %}
diff --git a/App/Views/base.html b/App/Views/base.html
index ffde9e4..032232d 100644
--- a/App/Views/base.html
+++ b/App/Views/base.html
@@ -6,6 +6,7 @@
         <link rel="stylesheet" href="/css/font-awesome/css/font-awesome.min.css">
         <link rel="stylesheet" href="/css/picnic.min.css">
         <link rel="stylesheet" href="/css/rome.css">
+        <link rel="stylesheet" href="/css/simplemde.min.css">
         <link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet">
         <title>{% block title %}{% endblock %}</title>
 
@@ -125,6 +126,10 @@
                 padding-left: 0;
                 padding-bottom: 0;
             }
+
+            .fitty > p {
+                margin: 0;
+            }
         </style>
     </head>
     <body>
@@ -137,6 +142,7 @@
         <script src="/js/rome.js"></script>
         <script src="/js/fitty.min.js"></script>
         <script src="/js/slidr.min.js"></script>
+        <script src="/js/simplemde.min.js"></script>
         {% block body %}
         {% endblock %}
 
diff --git a/Core/View.php b/Core/View.php
index 49f49d3..c3b3f19 100644
--- a/Core/View.php
+++ b/Core/View.php
@@ -1,5 +1,6 @@
 <?php
 namespace Core;
+use \Michelf\Markdown;
 
 class View
 {
@@ -9,9 +10,15 @@ class View
     {
         if (self::$twig === null) {
             $loader = new \Twig_Loader_Filesystem('../App/Views');
-            $twig = new \Twig_Environment($loader);
+            self::$twig = new \Twig_Environment($loader);
+
+            $filtermd = new \Twig_Filter('rendermd', function($string) {
+                return Markdown::defaultTransform($string);
+            }, ['is_safe' => ['html']]);
+
+            self::$twig->addFilter($filtermd);
         }
 
-        echo $twig->render($template, $args);
+        echo self::$twig->render($template, $args);
     }
 }
diff --git a/public/css/simplemde.min.css b/public/css/simplemde.min.css
new file mode 100644
index 0000000..a0ae10c
--- /dev/null
+++ b/public/css/simplemde.min.css
@@ -0,0 +1,7 @@
+/**
+ * simplemde v1.11.2
+ * Copyright Next Step Webs, Inc.
+ * @link https://github.com/NextStepWebs/simplemde-markdown-editor
+ * @license MIT
+ */
+.CodeMirror{color:#000}.CodeMirror-lines{padding:4px 0}.CodeMirror pre{padding:0 4px}.CodeMirror-gutter-filler,.CodeMirror-scrollbar-filler{background-color:#fff}.CodeMirror-gutters{border-right:1px solid #ddd;background-color:#f7f7f7;white-space:nowrap}.CodeMirror-linenumber{padding:0 3px 0 5px;min-width:20px;text-align:right;color:#999;white-space:nowrap}.CodeMirror-guttermarker{color:#000}.CodeMirror-guttermarker-subtle{color:#999}.CodeMirror-cursor{border-left:1px solid #000;border-right:none;width:0}.CodeMirror div.CodeMirror-secondarycursor{border-left:1px solid silver}.cm-fat-cursor .CodeMirror-cursor{width:auto;border:0!important;background:#7e7}.cm-fat-cursor div.CodeMirror-cursors{z-index:1}.cm-animate-fat-cursor{width:auto;border:0;-webkit-animation:blink 1.06s steps(1) infinite;-moz-animation:blink 1.06s steps(1) infinite;animation:blink 1.06s steps(1) infinite;background-color:#7e7}@-moz-keyframes blink{50%{background-color:transparent}}@-webkit-keyframes blink{50%{background-color:transparent}}@keyframes blink{50%{background-color:transparent}}.cm-tab{display:inline-block;text-decoration:inherit}.CodeMirror-ruler{border-left:1px solid #ccc;position:absolute}.cm-s-default .cm-header{color:#00f}.cm-s-default .cm-quote{color:#090}.cm-negative{color:#d44}.cm-positive{color:#292}.cm-header,.cm-strong{font-weight:700}.cm-em{font-style:italic}.cm-link{text-decoration:underline}.cm-strikethrough{text-decoration:line-through}.cm-s-default .cm-keyword{color:#708}.cm-s-default .cm-atom{color:#219}.cm-s-default .cm-number{color:#164}.cm-s-default .cm-def{color:#00f}.cm-s-default .cm-variable-2{color:#05a}.cm-s-default .cm-variable-3{color:#085}.cm-s-default .cm-comment{color:#a50}.cm-s-default .cm-string{color:#a11}.cm-s-default .cm-string-2{color:#f50}.cm-s-default .cm-meta,.cm-s-default .cm-qualifier{color:#555}.cm-s-default .cm-builtin{color:#30a}.cm-s-default .cm-bracket{color:#997}.cm-s-default .cm-tag{color:#170}.cm-s-default .cm-attribute{color:#00c}.cm-s-default .cm-hr{color:#999}.cm-s-default .cm-link{color:#00c}.cm-invalidchar,.cm-s-default .cm-error{color:red}.CodeMirror-composing{border-bottom:2px solid}div.CodeMirror span.CodeMirror-matchingbracket{color:#0f0}div.CodeMirror span.CodeMirror-nonmatchingbracket{color:#f22}.CodeMirror-matchingtag{background:rgba(255,150,0,.3)}.CodeMirror-activeline-background{background:#e8f2ff}.CodeMirror{position:relative;overflow:hidden;background:#fff}.CodeMirror-scroll{overflow:scroll!important;margin-bottom:-30px;margin-right:-30px;padding-bottom:30px;height:100%;outline:0;position:relative}.CodeMirror-sizer{position:relative;border-right:30px solid transparent}.CodeMirror-gutter-filler,.CodeMirror-hscrollbar,.CodeMirror-scrollbar-filler,.CodeMirror-vscrollbar{position:absolute;z-index:6;display:none}.CodeMirror-vscrollbar{right:0;top:0;overflow-x:hidden;overflow-y:scroll}.CodeMirror-hscrollbar{bottom:0;left:0;overflow-y:hidden;overflow-x:scroll}.CodeMirror-scrollbar-filler{right:0;bottom:0}.CodeMirror-gutter-filler{left:0;bottom:0}.CodeMirror-gutters{position:absolute;left:0;top:0;min-height:100%;z-index:3}.CodeMirror-gutter{white-space:normal;height:100%;display:inline-block;vertical-align:top;margin-bottom:-30px}.CodeMirror-gutter-wrapper{position:absolute;z-index:4;background:0 0!important;border:none!important;-webkit-user-select:none;-moz-user-select:none;user-select:none}.CodeMirror-gutter-background{position:absolute;top:0;bottom:0;z-index:4}.CodeMirror-gutter-elt{position:absolute;cursor:default;z-index:4}.CodeMirror-lines{cursor:text;min-height:1px}.CodeMirror pre{-moz-border-radius:0;-webkit-border-radius:0;border-radius:0;border-width:0;background:0 0;font-family:inherit;font-size:inherit;margin:0;white-space:pre;word-wrap:normal;line-height:inherit;color:inherit;z-index:2;position:relative;overflow:visible;-webkit-tap-highlight-color:transparent;-webkit-font-variant-ligatures:none;font-variant-ligatures:none}.CodeMirror-wrap pre{word-wrap:break-word;white-space:pre-wrap;word-break:normal}.CodeMirror-linebackground{position:absolute;left:0;right:0;top:0;bottom:0;z-index:0}.CodeMirror-linewidget{position:relative;z-index:2;overflow:auto}.CodeMirror-code{outline:0}.CodeMirror-gutter,.CodeMirror-gutters,.CodeMirror-linenumber,.CodeMirror-scroll,.CodeMirror-sizer{-moz-box-sizing:content-box;box-sizing:content-box}.CodeMirror-measure{position:absolute;width:100%;height:0;overflow:hidden;visibility:hidden}.CodeMirror-cursor{position:absolute}.CodeMirror-measure pre{position:static}div.CodeMirror-cursors{visibility:hidden;position:relative;z-index:3}.CodeMirror-focused div.CodeMirror-cursors,div.CodeMirror-dragcursors{visibility:visible}.CodeMirror-selected{background:#d9d9d9}.CodeMirror-focused .CodeMirror-selected,.CodeMirror-line::selection,.CodeMirror-line>span::selection,.CodeMirror-line>span>span::selection{background:#d7d4f0}.CodeMirror-crosshair{cursor:crosshair}.CodeMirror-line::-moz-selection,.CodeMirror-line>span::-moz-selection,.CodeMirror-line>span>span::-moz-selection{background:#d7d4f0}.cm-searching{background:#ffa;background:rgba(255,255,0,.4)}.cm-force-border{padding-right:.1px}@media print{.CodeMirror div.CodeMirror-cursors{visibility:hidden}}.cm-tab-wrap-hack:after{content:''}span.CodeMirror-selectedtext{background:0 0}.CodeMirror{height:auto;min-height:300px;border:1px solid #ddd;border-bottom-left-radius:4px;border-bottom-right-radius:4px;padding:10px;font:inherit;z-index:1}.CodeMirror-scroll{min-height:300px}.CodeMirror-fullscreen{background:#fff;position:fixed!important;top:50px;left:0;right:0;bottom:0;height:auto;z-index:9}.CodeMirror-sided{width:50%!important}.editor-toolbar{position:relative;opacity:.6;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-o-user-select:none;user-select:none;padding:0 10px;border-top:1px solid #bbb;border-left:1px solid #bbb;border-right:1px solid #bbb;border-top-left-radius:4px;border-top-right-radius:4px}.editor-toolbar:after,.editor-toolbar:before{display:block;content:' ';height:1px}.editor-toolbar:before{margin-bottom:8px}.editor-toolbar:after{margin-top:8px}.editor-toolbar:hover,.editor-wrapper input.title:focus,.editor-wrapper input.title:hover{opacity:.8}.editor-toolbar.fullscreen{width:100%;height:50px;overflow-x:auto;overflow-y:hidden;white-space:nowrap;padding-top:10px;padding-bottom:10px;box-sizing:border-box;background:#fff;border:0;position:fixed;top:0;left:0;opacity:1;z-index:9}.editor-toolbar.fullscreen::before{width:20px;height:50px;background:-moz-linear-gradient(left,rgba(255,255,255,1) 0,rgba(255,255,255,0) 100%);background:-webkit-gradient(linear,left top,right top,color-stop(0,rgba(255,255,255,1)),color-stop(100%,rgba(255,255,255,0)));background:-webkit-linear-gradient(left,rgba(255,255,255,1) 0,rgba(255,255,255,0) 100%);background:-o-linear-gradient(left,rgba(255,255,255,1) 0,rgba(255,255,255,0) 100%);background:-ms-linear-gradient(left,rgba(255,255,255,1) 0,rgba(255,255,255,0) 100%);background:linear-gradient(to right,rgba(255,255,255,1) 0,rgba(255,255,255,0) 100%);position:fixed;top:0;left:0;margin:0;padding:0}.editor-toolbar.fullscreen::after{width:20px;height:50px;background:-moz-linear-gradient(left,rgba(255,255,255,0) 0,rgba(255,255,255,1) 100%);background:-webkit-gradient(linear,left top,right top,color-stop(0,rgba(255,255,255,0)),color-stop(100%,rgba(255,255,255,1)));background:-webkit-linear-gradient(left,rgba(255,255,255,0) 0,rgba(255,255,255,1) 100%);background:-o-linear-gradient(left,rgba(255,255,255,0) 0,rgba(255,255,255,1) 100%);background:-ms-linear-gradient(left,rgba(255,255,255,0) 0,rgba(255,255,255,1) 100%);background:linear-gradient(to right,rgba(255,255,255,0) 0,rgba(255,255,255,1) 100%);position:fixed;top:0;right:0;margin:0;padding:0}.editor-toolbar a{display:inline-block;text-align:center;text-decoration:none!important;color:#2c3e50!important;width:30px;height:30px;margin:0;border:1px solid transparent;border-radius:3px;cursor:pointer}.editor-toolbar a.active,.editor-toolbar a:hover{background:#fcfcfc;border-color:#95a5a6}.editor-toolbar a:before{line-height:30px}.editor-toolbar i.separator{display:inline-block;width:0;border-left:1px solid #d9d9d9;border-right:1px solid #fff;color:transparent;text-indent:-10px;margin:0 6px}.editor-toolbar a.fa-header-x:after{font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:65%;vertical-align:text-bottom;position:relative;top:2px}.editor-toolbar a.fa-header-1:after{content:"1"}.editor-toolbar a.fa-header-2:after{content:"2"}.editor-toolbar a.fa-header-3:after{content:"3"}.editor-toolbar a.fa-header-bigger:after{content:"▲"}.editor-toolbar a.fa-header-smaller:after{content:"▼"}.editor-toolbar.disabled-for-preview a:not(.no-disable){pointer-events:none;background:#fff;border-color:transparent;text-shadow:inherit}@media only screen and (max-width:700px){.editor-toolbar a.no-mobile{display:none}}.editor-statusbar{padding:8px 10px;font-size:12px;color:#959694;text-align:right}.editor-statusbar span{display:inline-block;min-width:4em;margin-left:1em}.editor-preview,.editor-preview-side{padding:10px;background:#fafafa;overflow:auto;display:none;box-sizing:border-box}.editor-statusbar .lines:before{content:'lines: '}.editor-statusbar .words:before{content:'words: '}.editor-statusbar .characters:before{content:'characters: '}.editor-preview{position:absolute;width:100%;height:100%;top:0;left:0;z-index:7}.editor-preview-side{position:fixed;bottom:0;width:50%;top:50px;right:0;z-index:9;border:1px solid #ddd}.editor-preview-active,.editor-preview-active-side{display:block}.editor-preview-side>p,.editor-preview>p{margin-top:0}.editor-preview pre,.editor-preview-side pre{background:#eee;margin-bottom:10px}.editor-preview table td,.editor-preview table th,.editor-preview-side table td,.editor-preview-side table th{border:1px solid #ddd;padding:5px}.CodeMirror .CodeMirror-code .cm-tag{color:#63a35c}.CodeMirror .CodeMirror-code .cm-attribute{color:#795da3}.CodeMirror .CodeMirror-code .cm-string{color:#183691}.CodeMirror .CodeMirror-selected{background:#d9d9d9}.CodeMirror .CodeMirror-code .cm-header-1{font-size:200%;line-height:200%}.CodeMirror .CodeMirror-code .cm-header-2{font-size:160%;line-height:160%}.CodeMirror .CodeMirror-code .cm-header-3{font-size:125%;line-height:125%}.CodeMirror .CodeMirror-code .cm-header-4{font-size:110%;line-height:110%}.CodeMirror .CodeMirror-code .cm-comment{background:rgba(0,0,0,.05);border-radius:2px}.CodeMirror .CodeMirror-code .cm-link{color:#7f8c8d}.CodeMirror .CodeMirror-code .cm-url{color:#aab2b3}.CodeMirror .CodeMirror-code .cm-strikethrough{text-decoration:line-through}.CodeMirror .CodeMirror-placeholder{opacity:.5}.CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment):not(.cm-tag):not(.cm-word){background:rgba(255,0,0,.15)}
diff --git a/public/js/simplemde.min.js b/public/js/simplemde.min.js
new file mode 100644
index 0000000..d0e607b
--- /dev/null
+++ b/public/js/simplemde.min.js
@@ -0,0 +1,15 @@
+/**
+ * simplemde v1.11.2
+ * Copyright Next Step Webs, Inc.
+ * @link https://github.com/NextStepWebs/simplemde-markdown-editor
+ * @license MIT
+ */
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+r.maxLine=null,r.maxLineLength=0,r.maxLineChanged=!1,r.wheelDX=r.wheelDY=r.wheelStartX=r.wheelStartY=null,r.shift=!1,r.selForContextMenu=null,r.activeTouch=null,n.init(r)}function n(t){t.doc.mode=e.getMode(t.options,t.doc.modeOption),r(t)}function r(e){e.doc.iter(function(e){e.stateAfter&&(e.stateAfter=null),e.styles&&(e.styles=null)}),e.doc.frontier=e.doc.first,_e(e,100),e.state.modeGen++,e.curOp&&Dt(e)}function i(e){e.options.lineWrapping?(Ja(e.display.wrapper,"CodeMirror-wrap"),e.display.sizer.style.minWidth="",e.display.sizerWidth=null):(Za(e.display.wrapper,"CodeMirror-wrap"),h(e)),a(e),Dt(e),lt(e),setTimeout(function(){y(e)},100)}function o(e){var t=yt(e.display),n=e.options.lineWrapping,r=n&&Math.max(5,e.display.scroller.clientWidth/xt(e.display)-3);return function(i){if(kr(e.doc,i))return 0;var o=0;if(i.widgets)for(var a=0;a<i.widgets.length;a++)i.widgets[a].height&&(o+=i.widgets[a].height);return n?o+(Math.ceil(i.text.length/r)||1)*t:o+t}}function a(e){var t=e.doc,n=o(e);t.iter(function(e){var t=n(e);t!=e.height&&ei(e,t)})}function l(e){e.display.wrapper.className=e.display.wrapper.className.replace(/\s*cm-s-\S+/g,"")+e.options.theme.replace(/(^|\s)\s*/g," cm-s-"),lt(e)}function s(e){c(e),Dt(e),setTimeout(function(){w(e)},20)}function c(e){var t=e.display.gutters,n=e.options.gutters;Ui(t);for(var r=0;r<n.length;++r){var i=n[r],o=t.appendChild(ji("div",null,"CodeMirror-gutter "+i));"CodeMirror-linenumbers"==i&&(e.display.lineGutter=o,o.style.width=(e.display.lineNumWidth||1)+"px")}t.style.display=r?"":"none",u(e)}function u(e){var t=e.display.gutters.offsetWidth;e.display.sizer.style.marginLeft=t+"px"}function f(e){if(0==e.height)return 0;for(var t,n=e.text.length,r=e;t=mr(r);){var i=t.find(0,!0);r=i.from.line,n+=i.from.ch-i.to.ch}for(r=e;t=gr(r);){var i=t.find(0,!0);n-=r.text.length-i.from.ch,r=i.to.line,n+=r.text.length-i.to.ch}return n}function h(e){var t=e.display,n=e.doc;t.maxLine=Zr(n,n.first),t.maxLineLength=f(t.maxLine),t.maxLineChanged=!0,n.iter(function(e){var n=f(e);n>t.maxLineLength&&(t.maxLineLength=n,t.maxLine=e)})}function d(e){var t=Pi(e.gutters,"CodeMirror-linenumbers");-1==t&&e.lineNumbers?e.gutters=e.gutters.concat(["CodeMirror-linenumbers"]):t>-1&&!e.lineNumbers&&(e.gutters=e.gutters.slice(0),e.gutters.splice(t,1))}function p(e){var t=e.display,n=t.gutters.offsetWidth,r=Math.round(e.doc.height+qe(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+Ye(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:n}}function m(e,t,n){this.cm=n;var r=this.vert=ji("div",[ji("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),i=this.horiz=ji("div",[ji("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");e(r),e(i),Ea(r,"scroll",function(){r.clientHeight&&t(r.scrollTop,"vertical")}),Ea(i,"scroll",function(){i.clientWidth&&t(i.scrollLeft,"horizontal")}),this.checkedZeroWidth=!1,xo&&8>bo&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")}function g(){}function v(t){t.display.scrollbars&&(t.display.scrollbars.clear(),t.display.scrollbars.addClass&&Za(t.display.wrapper,t.display.scrollbars.addClass)),t.display.scrollbars=new e.scrollbarModel[t.options.scrollbarStyle](function(e){t.display.wrapper.insertBefore(e,t.display.scrollbarFiller),Ea(e,"mousedown",function(){t.state.focused&&setTimeout(function(){t.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,n){"horizontal"==n?on(t,e):rn(t,e)},t),t.display.scrollbars.addClass&&Ja(t.display.wrapper,t.display.scrollbars.addClass)}function y(e,t){t||(t=p(e));var n=e.display.barWidth,r=e.display.barHeight;x(e,t);for(var i=0;4>i&&n!=e.display.barWidth||r!=e.display.barHeight;i++)n!=e.display.barWidth&&e.options.lineWrapping&&O(e),x(e,p(e)),n=e.display.barWidth,r=e.display.barHeight}function x(e,t){var n=e.display,r=n.scrollbars.update(t);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",n.heightForcer.style.borderBottom=r.bottom+"px solid transparent",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=t.gutterWidth+"px"):n.gutterFiller.style.display=""}function b(e,t,n){var r=n&&null!=n.top?Math.max(0,n.top):e.scroller.scrollTop;r=Math.floor(r-Ue(e));var i=n&&null!=n.bottom?n.bottom:r+e.wrapper.clientHeight,o=ni(t,r),a=ni(t,i);if(n&&n.ensure){var l=n.ensure.from.line,s=n.ensure.to.line;o>l?(o=l,a=ni(t,ri(Zr(t,l))+e.wrapper.clientHeight)):Math.min(s,t.lastLine())>=a&&(o=ni(t,ri(Zr(t,s))-e.wrapper.clientHeight),a=s)}return{from:o,to:Math.max(a,o+1)}}function w(e){var t=e.display,n=t.view;if(t.alignWidgets||t.gutters.firstChild&&e.options.fixedGutter){for(var r=C(t)-t.scroller.scrollLeft+e.doc.scrollLeft,i=t.gutters.offsetWidth,o=r+"px",a=0;a<n.length;a++)if(!n[a].hidden){e.options.fixedGutter&&n[a].gutter&&(n[a].gutter.style.left=o);var l=n[a].alignable;if(l)for(var s=0;s<l.length;s++)l[s].style.left=o}e.options.fixedGutter&&(t.gutters.style.left=r+i+"px")}}function k(e){if(!e.options.lineNumbers)return!1;var t=e.doc,n=S(e.options,t.first+t.size-1),r=e.display;if(n.length!=r.lineNumChars){var i=r.measure.appendChild(ji("div",[ji("div",n)],"CodeMirror-linenumber CodeMirror-gutter-elt")),o=i.firstChild.offsetWidth,a=i.offsetWidth-o;return r.lineGutter.style.width="",r.lineNumInnerWidth=Math.max(o,r.lineGutter.offsetWidth-a)+1,r.lineNumWidth=r.lineNumInnerWidth+a,r.lineNumChars=r.lineNumInnerWidth?n.length:-1,r.lineGutter.style.width=r.lineNumWidth+"px",u(e),!0}return!1}function S(e,t){return String(e.lineNumberFormatter(t+e.firstLineNumber))}function C(e){return e.scroller.getBoundingClientRect().left-e.sizer.getBoundingClientRect().left}function L(e,t,n){var r=e.display;this.viewport=t,this.visible=b(r,e.doc,t),this.editorIsHidden=!r.wrapper.offsetWidth,this.wrapperHeight=r.wrapper.clientHeight,this.wrapperWidth=r.wrapper.clientWidth,this.oldDisplayWidth=$e(e),this.force=n,this.dims=P(e),this.events=[]}function T(e){var t=e.display;!t.scrollbarsClipped&&t.scroller.offsetWidth&&(t.nativeBarWidth=t.scroller.offsetWidth-t.scroller.clientWidth,t.heightForcer.style.height=Ye(e)+"px",t.sizer.style.marginBottom=-t.nativeBarWidth+"px",t.sizer.style.borderRightWidth=Ye(e)+"px",t.scrollbarsClipped=!0)}function M(e,t){var n=e.display,r=e.doc;if(t.editorIsHidden)return Wt(e),!1;if(!t.force&&t.visible.from>=n.viewFrom&&t.visible.to<=n.viewTo&&(null==n.updateLineNumbers||n.updateLineNumbers>=n.viewTo)&&n.renderedView==n.view&&0==zt(e))return!1;k(e)&&(Wt(e),t.dims=P(e));var i=r.first+r.size,o=Math.max(t.visible.from-e.options.viewportMargin,r.first),a=Math.min(i,t.visible.to+e.options.viewportMargin);n.viewFrom<o&&o-n.viewFrom<20&&(o=Math.max(r.first,n.viewFrom)),n.viewTo>a&&n.viewTo-a<20&&(a=Math.min(i,n.viewTo)),Wo&&(o=br(e.doc,o),a=wr(e.doc,a));var l=o!=n.viewFrom||a!=n.viewTo||n.lastWrapHeight!=t.wrapperHeight||n.lastWrapWidth!=t.wrapperWidth;Ft(e,o,a),n.viewOffset=ri(Zr(e.doc,n.viewFrom)),e.display.mover.style.top=n.viewOffset+"px";var s=zt(e);if(!l&&0==s&&!t.force&&n.renderedView==n.view&&(null==n.updateLineNumbers||n.updateLineNumbers>=n.viewTo))return!1;var c=Gi();return s>4&&(n.lineDiv.style.display="none"),R(e,n.updateLineNumbers,t.dims),s>4&&(n.lineDiv.style.display=""),n.renderedView=n.view,c&&Gi()!=c&&c.offsetHeight&&c.focus(),Ui(n.cursorDiv),Ui(n.selectionDiv),n.gutters.style.height=n.sizer.style.minHeight=0,l&&(n.lastWrapHeight=t.wrapperHeight,n.lastWrapWidth=t.wrapperWidth,_e(e,400)),n.updateLineNumbers=null,!0}function N(e,t){for(var n=t.viewport,r=!0;(r&&e.options.lineWrapping&&t.oldDisplayWidth!=$e(e)||(n&&null!=n.top&&(n={top:Math.min(e.doc.height+qe(e.display)-Ve(e),n.top)}),t.visible=b(e.display,e.doc,n),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&M(e,t);r=!1){O(e);var i=p(e);Re(e),y(e,i),E(e,i)}t.signal(e,"update",e),e.display.viewFrom==e.display.reportedViewFrom&&e.display.viewTo==e.display.reportedViewTo||(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function A(e,t){var n=new L(e,t);if(M(e,n)){O(e),N(e,n);var r=p(e);Re(e),y(e,r),E(e,r),n.finish()}}function E(e,t){e.display.sizer.style.minHeight=t.docHeight+"px",e.display.heightForcer.style.top=t.docHeight+"px",e.display.gutters.style.height=t.docHeight+e.display.barHeight+Ye(e)+"px"}function O(e){for(var t=e.display,n=t.lineDiv.offsetTop,r=0;r<t.view.length;r++){var i,o=t.view[r];if(!o.hidden){if(xo&&8>bo){var a=o.node.offsetTop+o.node.offsetHeight;i=a-n,n=a}else{var l=o.node.getBoundingClientRect();i=l.bottom-l.top}var s=o.line.height-i;if(2>i&&(i=yt(t)),(s>.001||-.001>s)&&(ei(o.line,i),I(o.line),o.rest))for(var c=0;c<o.rest.length;c++)I(o.rest[c])}}}function I(e){if(e.widgets)for(var t=0;t<e.widgets.length;++t)e.widgets[t].height=e.widgets[t].node.parentNode.offsetHeight}function P(e){for(var t=e.display,n={},r={},i=t.gutters.clientLeft,o=t.gutters.firstChild,a=0;o;o=o.nextSibling,++a)n[e.options.gutters[a]]=o.offsetLeft+o.clientLeft+i,r[e.options.gutters[a]]=o.clientWidth;return{fixedPos:C(t),gutterTotalWidth:t.gutters.offsetWidth,gutterLeft:n,gutterWidth:r,wrapperWidth:t.wrapper.clientWidth}}function R(e,t,n){function r(t){var n=t.nextSibling;return wo&&Eo&&e.display.currentWheelTarget==t?t.style.display="none":t.parentNode.removeChild(t),n}for(var i=e.display,o=e.options.lineNumbers,a=i.lineDiv,l=a.firstChild,s=i.view,c=i.viewFrom,u=0;u<s.length;u++){var f=s[u];if(f.hidden);else if(f.node&&f.node.parentNode==a){for(;l!=f.node;)l=r(l);var h=o&&null!=t&&c>=t&&f.lineNumber;f.changes&&(Pi(f.changes,"gutter")>-1&&(h=!1),D(e,f,c,n)),h&&(Ui(f.lineNumber),f.lineNumber.appendChild(document.createTextNode(S(e.options,c)))),l=f.node.nextSibling}else{var d=U(e,f,c,n);a.insertBefore(d,l)}c+=f.size}for(;l;)l=r(l)}function D(e,t,n,r){for(var i=0;i<t.changes.length;i++){var o=t.changes[i];"text"==o?_(e,t):"gutter"==o?z(e,t,n,r):"class"==o?F(t):"widget"==o&&j(e,t,r)}t.changes=null}function H(e){return e.node==e.text&&(e.node=ji("div",null,null,"position: relative"),e.text.parentNode&&e.text.parentNode.replaceChild(e.node,e.text),e.node.appendChild(e.text),xo&&8>bo&&(e.node.style.zIndex=2)),e.node}function W(e){var t=e.bgClass?e.bgClass+" "+(e.line.bgClass||""):e.line.bgClass;if(t&&(t+=" CodeMirror-linebackground"),e.background)t?e.background.className=t:(e.background.parentNode.removeChild(e.background),e.background=null);else if(t){var n=H(e);e.background=n.insertBefore(ji("div",null,t),n.firstChild)}}function B(e,t){var n=e.display.externalMeasured;return n&&n.line==t.line?(e.display.externalMeasured=null,t.measure=n.measure,n.built):Br(e,t)}function _(e,t){var n=t.text.className,r=B(e,t);t.text==t.node&&(t.node=r.pre),t.text.parentNode.replaceChild(r.pre,t.text),t.text=r.pre,r.bgClass!=t.bgClass||r.textClass!=t.textClass?(t.bgClass=r.bgClass,t.textClass=r.textClass,F(t)):n&&(t.text.className=n)}function F(e){W(e),e.line.wrapClass?H(e).className=e.line.wrapClass:e.node!=e.text&&(e.node.className="");var t=e.textClass?e.textClass+" "+(e.line.textClass||""):e.line.textClass;e.text.className=t||""}function z(e,t,n,r){if(t.gutter&&(t.node.removeChild(t.gutter),t.gutter=null),t.gutterBackground&&(t.node.removeChild(t.gutterBackground),t.gutterBackground=null),t.line.gutterClass){var i=H(t);t.gutterBackground=ji("div",null,"CodeMirror-gutter-background "+t.line.gutterClass,"left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px; width: "+r.gutterTotalWidth+"px"),i.insertBefore(t.gutterBackground,t.text)}var o=t.line.gutterMarkers;if(e.options.lineNumbers||o){var i=H(t),a=t.gutter=ji("div",null,"CodeMirror-gutter-wrapper","left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px");if(e.display.input.setUneditable(a),i.insertBefore(a,t.text),t.line.gutterClass&&(a.className+=" "+t.line.gutterClass),!e.options.lineNumbers||o&&o["CodeMirror-linenumbers"]||(t.lineNumber=a.appendChild(ji("div",S(e.options,n),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+r.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+e.display.lineNumInnerWidth+"px"))),o)for(var l=0;l<e.options.gutters.length;++l){var s=e.options.gutters[l],c=o.hasOwnProperty(s)&&o[s];c&&a.appendChild(ji("div",[c],"CodeMirror-gutter-elt","left: "+r.gutterLeft[s]+"px; width: "+r.gutterWidth[s]+"px"))}}}function j(e,t,n){t.alignable&&(t.alignable=null);for(var r,i=t.node.firstChild;i;i=r){var r=i.nextSibling;"CodeMirror-linewidget"==i.className&&t.node.removeChild(i)}q(e,t,n)}function U(e,t,n,r){var i=B(e,t);return t.text=t.node=i.pre,i.bgClass&&(t.bgClass=i.bgClass),i.textClass&&(t.textClass=i.textClass),F(t),z(e,t,n,r),q(e,t,r),t.node}function q(e,t,n){if(G(e,t.line,t,n,!0),t.rest)for(var r=0;r<t.rest.length;r++)G(e,t.rest[r],t,n,!1)}function G(e,t,n,r,i){if(t.widgets)for(var o=H(n),a=0,l=t.widgets;a<l.length;++a){var s=l[a],c=ji("div",[s.node],"CodeMirror-linewidget");s.handleMouseEvents||c.setAttribute("cm-ignore-events","true"),Y(s,c,n,r),e.display.input.setUneditable(c),i&&s.above?o.insertBefore(c,n.gutter||n.text):o.appendChild(c),Ci(s,"redraw")}}function Y(e,t,n,r){if(e.noHScroll){(n.alignable||(n.alignable=[])).push(t);var i=r.wrapperWidth;t.style.left=r.fixedPos+"px",e.coverGutter||(i-=r.gutterTotalWidth,t.style.paddingLeft=r.gutterTotalWidth+"px"),t.style.width=i+"px"}e.coverGutter&&(t.style.zIndex=5,t.style.position="relative",e.noHScroll||(t.style.marginLeft=-r.gutterTotalWidth+"px"))}function $(e){return Bo(e.line,e.ch)}function V(e,t){return _o(e,t)<0?t:e}function K(e,t){return _o(e,t)<0?e:t}function X(e){e.state.focused||(e.display.input.focus(),vn(e))}function Z(e,t,n,r,i){var o=e.doc;e.display.shift=!1,r||(r=o.sel);var a=e.state.pasteIncoming||"paste"==i,l=o.splitLines(t),s=null;if(a&&r.ranges.length>1)if(Fo&&Fo.text.join("\n")==t){if(r.ranges.length%Fo.text.length==0){s=[];for(var c=0;c<Fo.text.length;c++)s.push(o.splitLines(Fo.text[c]))}}else l.length==r.ranges.length&&(s=Ri(l,function(e){return[e]}));for(var c=r.ranges.length-1;c>=0;c--){var u=r.ranges[c],f=u.from(),h=u.to();u.empty()&&(n&&n>0?f=Bo(f.line,f.ch-n):e.state.overwrite&&!a?h=Bo(h.line,Math.min(Zr(o,h.line).text.length,h.ch+Ii(l).length)):Fo&&Fo.lineWise&&Fo.text.join("\n")==t&&(f=h=Bo(f.line,0)));var d=e.curOp.updateInput,p={from:f,to:h,text:s?s[c%s.length]:l,origin:i||(a?"paste":e.state.cutIncoming?"cut":"+input")};Tn(e.doc,p),Ci(e,"inputRead",e,p)}t&&!a&&Q(e,t),Bn(e),e.curOp.updateInput=d,e.curOp.typing=!0,e.state.pasteIncoming=e.state.cutIncoming=!1}function J(e,t){var n=e.clipboardData&&e.clipboardData.getData("text/plain");return n?(e.preventDefault(),t.isReadOnly()||t.options.disableInput||At(t,function(){Z(t,n,0,null,"paste")}),!0):void 0}function Q(e,t){if(e.options.electricChars&&e.options.smartIndent)for(var n=e.doc.sel,r=n.ranges.length-1;r>=0;r--){var i=n.ranges[r];if(!(i.head.ch>100||r&&n.ranges[r-1].head.line==i.head.line)){var o=e.getModeAt(i.head),a=!1;if(o.electricChars){for(var l=0;l<o.electricChars.length;l++)if(t.indexOf(o.electricChars.charAt(l))>-1){a=Fn(e,i.head.line,"smart");break}}else o.electricInput&&o.electricInput.test(Zr(e.doc,i.head.line).text.slice(0,i.head.ch))&&(a=Fn(e,i.head.line,"smart"));a&&Ci(e,"electricInput",e,i.head.line)}}}function ee(e){for(var t=[],n=[],r=0;r<e.doc.sel.ranges.length;r++){var i=e.doc.sel.ranges[r].head.line,o={anchor:Bo(i,0),head:Bo(i+1,0)};n.push(o),t.push(e.getRange(o.anchor,o.head))}return{text:t,ranges:n}}function te(e){e.setAttribute("autocorrect","off"),e.setAttribute("autocapitalize","off"),e.setAttribute("spellcheck","false")}function ne(e){this.cm=e,this.prevInput="",this.pollingFast=!1,this.polling=new Ei,this.inaccurateSelection=!1,this.hasSelection=!1,this.composing=null}function re(){var e=ji("textarea",null,null,"position: absolute; padding: 0; width: 1px; height: 1em; outline: none"),t=ji("div",[e],null,"overflow: hidden; position: relative; width: 3px; height: 0px;");return wo?e.style.width="1000px":e.setAttribute("wrap","off"),No&&(e.style.border="1px solid black"),te(e),t}function ie(e){this.cm=e,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new Ei,this.gracePeriod=!1}function oe(e,t){var n=Qe(e,t.line);if(!n||n.hidden)return null;var r=Zr(e.doc,t.line),i=Xe(n,r,t.line),o=ii(r),a="left";if(o){var l=co(o,t.ch);a=l%2?"right":"left"}var s=nt(i.map,t.ch,a);return s.offset="right"==s.collapse?s.end:s.start,s}function ae(e,t){return 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n&&t>=n.lineN&&t<n.lineN+n.size?n:void 0}function et(e,t){var n=ti(t),r=Qe(e,n);r&&!r.text?r=null:r&&r.changes&&(D(e,r,n,P(e)),e.curOp.forceUpdate=!0),r||(r=Ze(e,t));var i=Xe(r,t,n);return{line:t,view:r,rect:null,map:i.map,cache:i.cache,before:i.before,hasHeights:!1}}function tt(e,t,n,r,i){t.before&&(n=-1);var o,a=n+(r||"");return t.cache.hasOwnProperty(a)?o=t.cache[a]:(t.rect||(t.rect=t.view.text.getBoundingClientRect()),t.hasHeights||(Ke(e,t.view,t.rect),t.hasHeights=!0),o=rt(e,t,n,r),o.bogus||(t.cache[a]=o)),{left:o.left,right:o.right,top:i?o.rtop:o.top,bottom:i?o.rbottom:o.bottom}}function nt(e,t,n){for(var r,i,o,a,l=0;l<e.length;l+=3){var s=e[l],c=e[l+1];if(s>t?(i=0,o=1,a="left"):c>t?(i=t-s,o=i+1):(l==e.length-3||t==c&&e[l+3]>t)&&(o=c-s,i=o-1,t>=c&&(a="right")),null!=i){if(r=e[l+2],s==c&&n==(r.insertLeft?"left":"right")&&(a=n),"left"==n&&0==i)for(;l&&e[l-2]==e[l-3]&&e[l-1].insertLeft;)r=e[(l-=3)+2],a="left";if("right"==n&&i==c-s)for(;l<e.length-3&&e[l+3]==e[l+4]&&!e[l+5].insertLeft;)r=e[(l+=3)+2],a="right";break}}return{node:r,start:i,end:o,collapse:a,coverStart:s,coverEnd:c}}function rt(e,t,n,r){var i,o=nt(t.map,n,r),a=o.node,l=o.start,s=o.end,c=o.collapse;if(3==a.nodeType){for(var u=0;4>u;u++){for(;l&&zi(t.line.text.charAt(o.coverStart+l));)--l;for(;o.coverStart+s<o.coverEnd&&zi(t.line.text.charAt(o.coverStart+s));)++s;if(xo&&9>bo&&0==l&&s==o.coverEnd-o.coverStart)i=a.parentNode.getBoundingClientRect();else if(xo&&e.options.lineWrapping){var f=qa(a,l,s).getClientRects();i=f.length?f["right"==r?f.length-1:0]:qo}else i=qa(a,l,s).getBoundingClientRect()||qo;if(i.left||i.right||0==l)break;s=l,l-=1,c="right"}xo&&11>bo&&(i=it(e.display.measure,i))}else{l>0&&(c=r="right");var f;i=e.options.lineWrapping&&(f=a.getClientRects()).length>1?f["right"==r?f.length-1:0]:a.getBoundingClientRect()}if(xo&&9>bo&&!l&&(!i||!i.left&&!i.right)){var h=a.parentNode.getClientRects()[0];i=h?{left:h.left,right:h.left+xt(e.display),top:h.top,bottom:h.bottom}:qo}for(var d=i.top-t.rect.top,p=i.bottom-t.rect.top,m=(d+p)/2,g=t.view.measure.heights,u=0;u<g.length-1&&!(m<g[u]);u++);var v=u?g[u-1]:0,y=g[u],x={left:("right"==c?i.right:i.left)-t.rect.left,right:("left"==c?i.left:i.right)-t.rect.left,top:v,bottom:y};return i.left||i.right||(x.bogus=!0),e.options.singleCursorHeightPerLine||(x.rtop=d,x.rbottom=p),x}function it(e,t){if(!window.screen||null==screen.logicalXDPI||screen.logicalXDPI==screen.deviceXDPI||!Qi(e))return t;var n=screen.logicalXDPI/screen.deviceXDPI,r=screen.logicalYDPI/screen.deviceYDPI;return{left:t.left*n,right:t.right*n,top:t.top*r,bottom:t.bottom*r}}function ot(e){if(e.measure&&(e.measure.cache={},e.measure.heights=null,e.rest))for(var t=0;t<e.rest.length;t++)e.measure.caches[t]={}}function at(e){e.display.externalMeasure=null,Ui(e.display.lineMeasure);for(var t=0;t<e.display.view.length;t++)ot(e.display.view[t])}function lt(e){at(e),e.display.cachedCharWidth=e.display.cachedTextHeight=e.display.cachedPaddingH=null,e.options.lineWrapping||(e.display.maxLineChanged=!0),e.display.lineNumChars=null}function st(){return window.pageXOffset||(document.documentElement||document.body).scrollLeft}function ct(){return window.pageYOffset||(document.documentElement||document.body).scrollTop}function ut(e,t,n,r){if(t.widgets)for(var i=0;i<t.widgets.length;++i)if(t.widgets[i].above){var o=Lr(t.widgets[i]);n.top+=o,n.bottom+=o}if("line"==r)return n;r||(r="local");var a=ri(t);if("local"==r?a+=Ue(e.display):a-=e.display.viewOffset,"page"==r||"window"==r){var l=e.display.lineSpace.getBoundingClientRect();a+=l.top+("window"==r?0:ct());var s=l.left+("window"==r?0:st());n.left+=s,n.right+=s}return n.top+=a,n.bottom+=a,n}function ft(e,t,n){if("div"==n)return t;var r=t.left,i=t.top;if("page"==n)r-=st(),
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i.xRel=r,n&&(i.outside=!0),i}function gt(e,t,n){var r=e.doc;if(n+=e.display.viewOffset,0>n)return mt(r.first,0,!0,-1);var i=ni(r,n),o=r.first+r.size-1;if(i>o)return mt(r.first+r.size-1,Zr(r,o).text.length,!0,1);0>t&&(t=0);for(var a=Zr(r,i);;){var l=vt(e,a,i,t,n),s=gr(a),c=s&&s.find(0,!0);if(!s||!(l.ch>c.from.ch||l.ch==c.from.ch&&l.xRel>0))return l;i=ti(a=c.to.line)}}function vt(e,t,n,r,i){function o(r){var i=dt(e,Bo(n,r),"line",t,c);return l=!0,a>i.bottom?i.left-s:a<i.top?i.left+s:(l=!1,i.left)}var a=i-ri(t),l=!1,s=2*e.display.wrapper.clientWidth,c=et(e,t),u=ii(t),f=t.text.length,h=ro(t),d=io(t),p=o(h),m=l,g=o(d),v=l;if(r>g)return mt(n,d,v,1);for(;;){if(u?d==h||d==fo(t,h,1):1>=d-h){for(var y=p>r||g-r>=r-p?h:d,x=r-(y==h?p:g);zi(t.text.charAt(y));)++y;var b=mt(n,y,y==h?m:v,-1>x?-1:x>1?1:0);return b}var w=Math.ceil(f/2),k=h+w;if(u){k=h;for(var S=0;w>S;++S)k=fo(t,k,1)}var C=o(k);C>r?(d=k,g=C,(v=l)&&(g+=1e3),f=w):(h=k,p=C,m=l,f-=w)}}function yt(e){if(null!=e.cachedTextHeight)return e.cachedTextHeight;if(null==zo){zo=ji("pre");for(var t=0;49>t;++t)zo.appendChild(document.createTextNode("x")),zo.appendChild(ji("br"));zo.appendChild(document.createTextNode("x"))}qi(e.measure,zo);var n=zo.offsetHeight/50;return n>3&&(e.cachedTextHeight=n),Ui(e.measure),n||1}function xt(e){if(null!=e.cachedCharWidth)return e.cachedCharWidth;var t=ji("span","xxxxxxxxxx"),n=ji("pre",[t]);qi(e.measure,n);var r=t.getBoundingClientRect(),i=(r.right-r.left)/10;return i>2&&(e.cachedCharWidth=i),i||10}function bt(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++Yo},Go?Go.ops.push(e.curOp):e.curOp.ownsGroup=Go={ops:[e.curOp],delayedCallbacks:[]}}function wt(e){var t=e.delayedCallbacks,n=0;do{for(;n<t.length;n++)t[n].call(null);for(var r=0;r<e.ops.length;r++){var i=e.ops[r];if(i.cursorActivityHandlers)for(;i.cursorActivityCalled<i.cursorActivityHandlers.length;)i.cursorActivityHandlers[i.cursorActivityCalled++].call(null,i.cm)}}while(n<t.length)}function kt(e){var t=e.curOp,n=t.ownsGroup;if(n)try{wt(n)}finally{Go=null;for(var r=0;r<n.ops.length;r++)n.ops[r].cm.curOp=null;St(n)}}function St(e){for(var t=e.ops,n=0;n<t.length;n++)Ct(t[n]);for(var n=0;n<t.length;n++)Lt(t[n]);for(var n=0;n<t.length;n++)Tt(t[n]);for(var n=0;n<t.length;n++)Mt(t[n]);for(var n=0;n<t.length;n++)Nt(t[n])}function Ct(e){var t=e.cm,n=t.display;T(t),e.updateMaxLine&&h(t),e.mustUpdate=e.viewChanged||e.forceUpdate||null!=e.scrollTop||e.scrollToPos&&(e.scrollToPos.from.line<n.viewFrom||e.scrollToPos.to.line>=n.viewTo)||n.maxLineChanged&&t.options.lineWrapping,e.update=e.mustUpdate&&new L(t,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)}function Lt(e){e.updatedDisplay=e.mustUpdate&&M(e.cm,e.update)}function Tt(e){var t=e.cm,n=t.display;e.updatedDisplay&&O(t),e.barMeasure=p(t),n.maxLineChanged&&!t.options.lineWrapping&&(e.adjustWidthTo=Je(t,n.maxLine,n.maxLine.text.length).left+3,t.display.sizerWidth=e.adjustWidthTo,e.barMeasure.scrollWidth=Math.max(n.scroller.clientWidth,n.sizer.offsetLeft+e.adjustWidthTo+Ye(t)+t.display.barWidth),e.maxScrollLeft=Math.max(0,n.sizer.offsetLeft+e.adjustWidthTo-$e(t))),(e.updatedDisplay||e.selectionChanged)&&(e.preparedSelection=n.input.prepareSelection(e.focus))}function Mt(e){var t=e.cm;null!=e.adjustWidthTo&&(t.display.sizer.style.minWidth=e.adjustWidthTo+"px",e.maxScrollLeft<t.doc.scrollLeft&&on(t,Math.min(t.display.scroller.scrollLeft,e.maxScrollLeft),!0),t.display.maxLineChanged=!1);var n=e.focus&&e.focus==Gi()&&(!document.hasFocus||document.hasFocus());e.preparedSelection&&t.display.input.showSelection(e.preparedSelection,n),(e.updatedDisplay||e.startHeight!=t.doc.height)&&y(t,e.barMeasure),e.updatedDisplay&&E(t,e.barMeasure),e.selectionChanged&&Be(t),t.state.focused&&e.updateInput&&t.display.input.reset(e.typing),n&&X(e.cm)}function Nt(e){var t=e.cm,n=t.display,r=t.doc;if(e.updatedDisplay&&N(t,e.update),null==n.wheelStartX||null==e.scrollTop&&null==e.scrollLeft&&!e.scrollToPos||(n.wheelStartX=n.wheelStartY=null),null==e.scrollTop||n.scroller.scrollTop==e.scrollTop&&!e.forceScroll||(r.scrollTop=Math.max(0,Math.min(n.scroller.scrollHeight-n.scroller.clientHeight,e.scrollTop)),n.scrollbars.setScrollTop(r.scrollTop),n.scroller.scrollTop=r.scrollTop),null==e.scrollLeft||n.scroller.scrollLeft==e.scrollLeft&&!e.forceScroll||(r.scrollLeft=Math.max(0,Math.min(n.scroller.scrollWidth-n.scroller.clientWidth,e.scrollLeft)),n.scrollbars.setScrollLeft(r.scrollLeft),n.scroller.scrollLeft=r.scrollLeft,w(t)),e.scrollToPos){var i=Rn(t,me(r,e.scrollToPos.from),me(r,e.scrollToPos.to),e.scrollToPos.margin);e.scrollToPos.isCursor&&t.state.focused&&Pn(t,i)}var o=e.maybeHiddenMarkers,a=e.maybeUnhiddenMarkers;if(o)for(var l=0;l<o.length;++l)o[l].lines.length||Pa(o[l],"hide");if(a)for(var l=0;l<a.length;++l)a[l].lines.length&&Pa(a[l],"unhide");n.wrapper.offsetHeight&&(r.scrollTop=t.display.scroller.scrollTop),e.changeObjs&&Pa(t,"changes",t,e.changeObjs),e.update&&e.update.finish()}function At(e,t){if(e.curOp)return t();bt(e);try{return t()}finally{kt(e)}}function Et(e,t){return function(){if(e.curOp)return t.apply(e,arguments);bt(e);try{return t.apply(e,arguments)}finally{kt(e)}}}function Ot(e){return function(){if(this.curOp)return e.apply(this,arguments);bt(this);try{return e.apply(this,arguments)}finally{kt(this)}}}function It(e){return function(){var t=this.cm;if(!t||t.curOp)return e.apply(this,arguments);bt(t);try{return e.apply(this,arguments)}finally{kt(t)}}}function Pt(e,t,n){this.line=t,this.rest=xr(t),this.size=this.rest?ti(Ii(this.rest))-n+1:1,this.node=this.text=null,this.hidden=kr(e,t)}function Rt(e,t,n){for(var r,i=[],o=t;n>o;o=r){var a=new Pt(e.doc,Zr(e.doc,o),o);r=o+a.size,i.push(a)}return i}function Dt(e,t,n,r){null==t&&(t=e.doc.first),null==n&&(n=e.doc.first+e.doc.size),r||(r=0);var i=e.display;if(r&&n<i.viewTo&&(null==i.updateLineNumbers||i.updateLineNumbers>t)&&(i.updateLineNumbers=t),e.curOp.viewChanged=!0,t>=i.viewTo)Wo&&br(e.doc,t)<i.viewTo&&Wt(e);else if(n<=i.viewFrom)Wo&&wr(e.doc,n+r)>i.viewFrom?Wt(e):(i.viewFrom+=r,i.viewTo+=r);else if(t<=i.viewFrom&&n>=i.viewTo)Wt(e);else if(t<=i.viewFrom){var o=_t(e,n,n+r,1);o?(i.view=i.view.slice(o.index),i.viewFrom=o.lineN,i.viewTo+=r):Wt(e)}else if(n>=i.viewTo){var o=_t(e,t,t,-1);o?(i.view=i.view.slice(0,o.index),i.viewTo=o.lineN):Wt(e)}else{var a=_t(e,t,t,-1),l=_t(e,n,n+r,1);a&&l?(i.view=i.view.slice(0,a.index).concat(Rt(e,a.lineN,l.lineN)).concat(i.view.slice(l.index)),i.viewTo+=r):Wt(e)}var s=i.externalMeasured;s&&(n<s.lineN?s.lineN+=r:t<s.lineN+s.size&&(i.externalMeasured=null))}function Ht(e,t,n){e.curOp.viewChanged=!0;var r=e.display,i=e.display.externalMeasured;if(i&&t>=i.lineN&&t<i.lineN+i.size&&(r.externalMeasured=null),!(t<r.viewFrom||t>=r.viewTo)){var o=r.view[Bt(e,t)];if(null!=o.node){var a=o.changes||(o.changes=[]);-1==Pi(a,n)&&a.push(n)}}}function Wt(e){e.display.viewFrom=e.display.viewTo=e.doc.first,e.display.view=[],e.display.viewOffset=0}function Bt(e,t){if(t>=e.display.viewTo)return null;if(t-=e.display.viewFrom,0>t)return null;for(var n=e.display.view,r=0;r<n.length;r++)if(t-=n[r].size,0>t)return r}function _t(e,t,n,r){var i,o=Bt(e,t),a=e.display.view;if(!Wo||n==e.doc.first+e.doc.size)return{index:o,lineN:n};for(var l=0,s=e.display.viewFrom;o>l;l++)s+=a[l].size;if(s!=t){if(r>0){if(o==a.length-1)return null;i=s+a[o].size-t,o++}else i=s-t;t+=i,n+=i}for(;br(e.doc,n)!=n;){if(o==(0>r?0:a.length-1))return null;n+=r*a[o-(0>r?1:0)].size,o+=r}return{index:o,lineN:n}}function Ft(e,t,n){var r=e.display,i=r.view;0==i.length||t>=r.viewTo||n<=r.viewFrom?(r.view=Rt(e,t,n),r.viewFrom=t):(r.viewFrom>t?r.view=Rt(e,t,r.viewFrom).concat(r.view):r.viewFrom<t&&(r.view=r.view.slice(Bt(e,t))),r.viewFrom=t,r.viewTo<n?r.view=r.view.concat(Rt(e,r.viewTo,n)):r.viewTo>n&&(r.view=r.view.slice(0,Bt(e,n)))),r.viewTo=n}function zt(e){for(var t=e.display.view,n=0,r=0;r<t.length;r++){var i=t[r];i.hidden||i.node&&!i.changes||++n}return n}function jt(e){function t(){i.activeTouch&&(o=setTimeout(function(){i.activeTouch=null},1e3),a=i.activeTouch,a.end=+new Date)}function n(e){if(1!=e.touches.length)return!1;var t=e.touches[0];return t.radiusX<=1&&t.radiusY<=1}function r(e,t){if(null==t.left)return!0;var n=t.left-e.left,r=t.top-e.top;return n*n+r*r>400}var i=e.display;Ea(i.scroller,"mousedown",Et(e,$t)),xo&&11>bo?Ea(i.scroller,"dblclick",Et(e,function(t){if(!Ti(e,t)){var n=Yt(e,t);if(n&&!Jt(e,t)&&!Gt(e.display,t)){Ma(t);var r=e.findWordAt(n);be(e.doc,r.anchor,r.head)}}})):Ea(i.scroller,"dblclick",function(t){Ti(e,t)||Ma(t)}),Do||Ea(i.scroller,"contextmenu",function(t){xn(e,t)});var o,a={end:0};Ea(i.scroller,"touchstart",function(t){if(!Ti(e,t)&&!n(t)){clearTimeout(o);var r=+new Date;i.activeTouch={start:r,moved:!1,prev:r-a.end<=300?a:null},1==t.touches.length&&(i.activeTouch.left=t.touches[0].pageX,i.activeTouch.top=t.touches[0].pageY)}}),Ea(i.scroller,"touchmove",function(){i.activeTouch&&(i.activeTouch.moved=!0)}),Ea(i.scroller,"touchend",function(n){var o=i.activeTouch;if(o&&!Gt(i,n)&&null!=o.left&&!o.moved&&new Date-o.start<300){var a,l=e.coordsChar(i.activeTouch,"page");a=!o.prev||r(o,o.prev)?new fe(l,l):!o.prev.prev||r(o,o.prev.prev)?e.findWordAt(l):new fe(Bo(l.line,0),me(e.doc,Bo(l.line+1,0))),e.setSelection(a.anchor,a.head),e.focus(),Ma(n)}t()}),Ea(i.scroller,"touchcancel",t),Ea(i.scroller,"scroll",function(){i.scroller.clientHeight&&(rn(e,i.scroller.scrollTop),on(e,i.scroller.scrollLeft,!0),Pa(e,"scroll",e))}),Ea(i.scroller,"mousewheel",function(t){an(e,t)}),Ea(i.scroller,"DOMMouseScroll",function(t){an(e,t)}),Ea(i.wrapper,"scroll",function(){i.wrapper.scrollTop=i.wrapper.scrollLeft=0}),i.dragFunctions={enter:function(t){Ti(e,t)||Aa(t)},over:function(t){Ti(e,t)||(tn(e,t),Aa(t))},start:function(t){en(e,t)},drop:Et(e,Qt),leave:function(t){Ti(e,t)||nn(e)}};var l=i.input.getField();Ea(l,"keyup",function(t){pn.call(e,t)}),Ea(l,"keydown",Et(e,hn)),Ea(l,"keypress",Et(e,mn)),Ea(l,"focus",Bi(vn,e)),Ea(l,"blur",Bi(yn,e))}function Ut(t,n,r){var i=r&&r!=e.Init;if(!n!=!i){var o=t.display.dragFunctions,a=n?Ea:Ia;a(t.display.scroller,"dragstart",o.start),a(t.display.scroller,"dragenter",o.enter),a(t.display.scroller,"dragover",o.over),a(t.display.scroller,"dragleave",o.leave),a(t.display.scroller,"drop",o.drop)}}function qt(e){var t=e.display;t.lastWrapHeight==t.wrapper.clientHeight&&t.lastWrapWidth==t.wrapper.clientWidth||(t.cachedCharWidth=t.cachedTextHeight=t.cachedPaddingH=null,t.scrollbarsClipped=!1,e.setSize())}function Gt(e,t){for(var n=wi(t);n!=e.wrapper;n=n.parentNode)if(!n||1==n.nodeType&&"true"==n.getAttribute("cm-ignore-events")||n.parentNode==e.sizer&&n!=e.mover)return!0}function Yt(e,t,n,r){var i=e.display;if(!n&&"true"==wi(t).getAttribute("cm-not-content"))return null;var o,a,l=i.lineSpace.getBoundingClientRect();try{o=t.clientX-l.left,a=t.clientY-l.top}catch(t){return null}var s,c=gt(e,o,a);if(r&&1==c.xRel&&(s=Zr(e.doc,c.line).text).length==c.ch){var u=Fa(s,s.length,e.options.tabSize)-s.length;c=Bo(c.line,Math.max(0,Math.round((o-Ge(e.display).left)/xt(e.display))-u))}return c}function $t(e){var t=this,n=t.display;if(!(Ti(t,e)||n.activeTouch&&n.input.supportsTouch())){if(n.shift=e.shiftKey,Gt(n,e))return void(wo||(n.scroller.draggable=!1,setTimeout(function(){n.scroller.draggable=!0},100)));if(!Jt(t,e)){var r=Yt(t,e);switch(window.focus(),ki(e)){case 1:t.state.selectingText?t.state.selectingText(e):r?Vt(t,e,r):wi(e)==n.scroller&&Ma(e);break;case 2:wo&&(t.state.lastMiddleDown=+new Date),r&&be(t.doc,r),setTimeout(function(){n.input.focus()},20),Ma(e);break;case 3:Do?xn(t,e):gn(t)}}}}function Vt(e,t,n){xo?setTimeout(Bi(X,e),0):e.curOp.focus=Gi();var r,i=+new Date;Uo&&Uo.time>i-400&&0==_o(Uo.pos,n)?r="triple":jo&&jo.time>i-400&&0==_o(jo.pos,n)?(r="double",Uo={time:i,pos:n}):(r="single",jo={time:i,pos:n});var o,a=e.doc.sel,l=Eo?t.metaKey:t.ctrlKey;e.options.dragDrop&&el&&!e.isReadOnly()&&"single"==r&&(o=a.contains(n))>-1&&(_o((o=a.ranges[o]).from(),n)<0||n.xRel>0)&&(_o(o.to(),n)>0||n.xRel<0)?Kt(e,t,n,l):Xt(e,t,n,r,l)}function Kt(e,t,n,r){var i=e.display,o=+new Date,a=Et(e,function(l){wo&&(i.scroller.draggable=!1),e.state.draggingText=!1,Ia(document,"mouseup",a),Ia(i.scroller,"drop",a),Math.abs(t.clientX-l.clientX)+Math.abs(t.clientY-l.clientY)<10&&(Ma(l),!r&&+new Date-200<o&&be(e.doc,n),wo||xo&&9==bo?setTimeout(function(){document.body.focus(),i.input.focus()},20):i.input.focus())});wo&&(i.scroller.draggable=!0),e.state.draggingText=a,i.scroller.dragDrop&&i.scroller.dragDrop(),Ea(document,"mouseup",a),Ea(i.scroller,"drop",a)}function Xt(e,t,n,r,i){function o(t){if(0!=_o(g,t))if(g=t,"rect"==r){for(var i=[],o=e.options.tabSize,a=Fa(Zr(c,n.line).text,n.ch,o),l=Fa(Zr(c,t.line).text,t.ch,o),s=Math.min(a,l),d=Math.max(a,l),p=Math.min(n.line,t.line),m=Math.min(e.lastLine(),Math.max(n.line,t.line));m>=p;p++){var v=Zr(c,p).text,y=za(v,s,o);s==d?i.push(new fe(Bo(p,y),Bo(p,y))):v.length>y&&i.push(new fe(Bo(p,y),Bo(p,za(v,d,o))))}i.length||i.push(new fe(n,n)),Te(c,he(h.ranges.slice(0,f).concat(i),f),{origin:"*mouse",scroll:!1}),e.scrollIntoView(t)}else{var x=u,b=x.anchor,w=t;if("single"!=r){if("double"==r)var k=e.findWordAt(t);else var k=new fe(Bo(t.line,0),me(c,Bo(t.line+1,0)));_o(k.anchor,b)>0?(w=k.head,b=K(x.from(),k.anchor)):(w=k.anchor,b=V(x.to(),k.head))}var i=h.ranges.slice(0);i[f]=new fe(me(c,b),w),Te(c,he(i,f),Ba)}}function a(t){var n=++y,i=Yt(e,t,!0,"rect"==r);if(i)if(0!=_o(i,g)){e.curOp.focus=Gi(),o(i);var l=b(s,c);(i.line>=l.to||i.line<l.from)&&setTimeout(Et(e,function(){y==n&&a(t)}),150)}else{var u=t.clientY<v.top?-20:t.clientY>v.bottom?20:0;u&&setTimeout(Et(e,function(){y==n&&(s.scroller.scrollTop+=u,a(t))}),50)}}function l(t){e.state.selectingText=!1,y=1/0,Ma(t),s.input.focus(),Ia(document,"mousemove",x),Ia(document,"mouseup",w),c.history.lastSelOrigin=null}var s=e.display,c=e.doc;Ma(t);var u,f,h=c.sel,d=h.ranges;if(i&&!t.shiftKey?(f=c.sel.contains(n),u=f>-1?d[f]:new fe(n,n)):(u=c.sel.primary(),f=c.sel.primIndex),Oo?t.shiftKey&&t.metaKey:t.altKey)r="rect",i||(u=new fe(n,n)),n=Yt(e,t,!0,!0),f=-1;else if("double"==r){var p=e.findWordAt(n);u=e.display.shift||c.extend?xe(c,u,p.anchor,p.head):p}else if("triple"==r){var m=new fe(Bo(n.line,0),me(c,Bo(n.line+1,0)));u=e.display.shift||c.extend?xe(c,u,m.anchor,m.head):m}else u=xe(c,u,n);i?-1==f?(f=d.length,Te(c,he(d.concat([u]),f),{scroll:!1,origin:"*mouse"})):d.length>1&&d[f].empty()&&"single"==r&&!t.shiftKey?(Te(c,he(d.slice(0,f).concat(d.slice(f+1)),0),{scroll:!1,origin:"*mouse"}),h=c.sel):ke(c,f,u,Ba):(f=0,Te(c,new ue([u],0),Ba),h=c.sel);var g=n,v=s.wrapper.getBoundingClientRect(),y=0,x=Et(e,function(e){ki(e)?a(e):l(e)}),w=Et(e,l);e.state.selectingText=w,Ea(document,"mousemove",x),Ea(document,"mouseup",w)}function Zt(e,t,n,r){try{var i=t.clientX,o=t.clientY}catch(t){return!1}if(i>=Math.floor(e.display.gutters.getBoundingClientRect().right))return!1;r&&Ma(t);var a=e.display,l=a.lineDiv.getBoundingClientRect();if(o>l.bottom||!Ni(e,n))return bi(t);o-=l.top-a.viewOffset;for(var s=0;s<e.options.gutters.length;++s){var c=a.gutters.childNodes[s];if(c&&c.getBoundingClientRect().right>=i){var u=ni(e.doc,o),f=e.options.gutters[s];return Pa(e,n,e,u,f,t),bi(t)}}}function Jt(e,t){return Zt(e,t,"gutterClick",!0)}function Qt(e){var t=this;if(nn(t),!Ti(t,e)&&!Gt(t.display,e)){Ma(e),xo&&($o=+new Date);var n=Yt(t,e,!0),r=e.dataTransfer.files;if(n&&!t.isReadOnly())if(r&&r.length&&window.FileReader&&window.File)for(var i=r.length,o=Array(i),a=0,l=function(e,r){if(!t.options.allowDropFileTypes||-1!=Pi(t.options.allowDropFileTypes,e.type)){var l=new FileReader;l.onload=Et(t,function(){var e=l.result;if(/[\x00-\x08\x0e-\x1f]{2}/.test(e)&&(e=""),o[r]=e,++a==i){n=me(t.doc,n);var s={from:n,to:n,text:t.doc.splitLines(o.join(t.doc.lineSeparator())),origin:"paste"};Tn(t.doc,s),Le(t.doc,de(n,Qo(s)))}}),l.readAsText(e)}},s=0;i>s;++s)l(r[s],s);else{if(t.state.draggingText&&t.doc.sel.contains(n)>-1)return t.state.draggingText(e),void setTimeout(function(){t.display.input.focus()},20);try{var o=e.dataTransfer.getData("Text");if(o){if(t.state.draggingText&&!(Eo?e.altKey:e.ctrlKey))var c=t.listSelections();if(Me(t.doc,de(n,n)),c)for(var s=0;s<c.length;++s)In(t.doc,"",c[s].anchor,c[s].head,"drag");t.replaceSelection(o,"around","paste"),t.display.input.focus()}}catch(e){}}}}function en(e,t){if(xo&&(!e.state.draggingText||+new Date-$o<100))return void Aa(t);if(!Ti(e,t)&&!Gt(e.display,t)&&(t.dataTransfer.setData("Text",e.getSelection()),t.dataTransfer.effectAllowed="copyMove",t.dataTransfer.setDragImage&&!Lo)){var n=ji("img",null,null,"position: fixed; left: 0; top: 0;");n.src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==",Co&&(n.width=n.height=1,e.display.wrapper.appendChild(n),n._top=n.offsetTop),t.dataTransfer.setDragImage(n,0,0),Co&&n.parentNode.removeChild(n)}}function tn(e,t){var n=Yt(e,t);if(n){var r=document.createDocumentFragment();He(e,n,r),e.display.dragCursor||(e.display.dragCursor=ji("div",null,"CodeMirror-cursors CodeMirror-dragcursors"),e.display.lineSpace.insertBefore(e.display.dragCursor,e.display.cursorDiv)),qi(e.display.dragCursor,r)}}function nn(e){e.display.dragCursor&&(e.display.lineSpace.removeChild(e.display.dragCursor),e.display.dragCursor=null)}function rn(e,t){Math.abs(e.doc.scrollTop-t)<2||(e.doc.scrollTop=t,go||A(e,{top:t}),e.display.scroller.scrollTop!=t&&(e.display.scroller.scrollTop=t),e.display.scrollbars.setScrollTop(t),go&&A(e),_e(e,100))}function on(e,t,n){(n?t==e.doc.scrollLeft:Math.abs(e.doc.scrollLeft-t)<2)||(t=Math.min(t,e.display.scroller.scrollWidth-e.display.scroller.clientWidth),e.doc.scrollLeft=t,w(e),e.display.scroller.scrollLeft!=t&&(e.display.scroller.scrollLeft=t),e.display.scrollbars.setScrollLeft(t))}function an(e,t){var n=Xo(t),r=n.x,i=n.y,o=e.display,a=o.scroller,l=a.scrollWidth>a.clientWidth,s=a.scrollHeight>a.clientHeight;if(r&&l||i&&s){if(i&&Eo&&wo)e:for(var c=t.target,u=o.view;c!=a;c=c.parentNode)for(var f=0;f<u.length;f++)if(u[f].node==c){e.display.currentWheelTarget=c;break e}if(r&&!go&&!Co&&null!=Ko)return i&&s&&rn(e,Math.max(0,Math.min(a.scrollTop+i*Ko,a.scrollHeight-a.clientHeight))),on(e,Math.max(0,Math.min(a.scrollLeft+r*Ko,a.scrollWidth-a.clientWidth))),(!i||i&&s)&&Ma(t),void(o.wheelStartX=null);if(i&&null!=Ko){var h=i*Ko,d=e.doc.scrollTop,p=d+o.wrapper.clientHeight;0>h?d=Math.max(0,d+h-50):p=Math.min(e.doc.height,p+h+50),A(e,{top:d,bottom:p})}20>Vo&&(null==o.wheelStartX?(o.wheelStartX=a.scrollLeft,o.wheelStartY=a.scrollTop,o.wheelDX=r,o.wheelDY=i,setTimeout(function(){if(null!=o.wheelStartX){var e=a.scrollLeft-o.wheelStartX,t=a.scrollTop-o.wheelStartY,n=t&&o.wheelDY&&t/o.wheelDY||e&&o.wheelDX&&e/o.wheelDX;o.wheelStartX=o.wheelStartY=null,n&&(Ko=(Ko*Vo+n)/(Vo+1),++Vo)}},200)):(o.wheelDX+=r,o.wheelDY+=i))}}function ln(e,t,n){if("string"==typeof t&&(t=ua[t],!t))return!1;e.display.input.ensurePolled();var r=e.display.shift,i=!1;try{e.isReadOnly()&&(e.state.suppressEdits=!0),n&&(e.display.shift=!1),i=t(e)!=Ha}finally{e.display.shift=r,e.state.suppressEdits=!1}return i}function sn(e,t,n){for(var r=0;r<e.state.keyMaps.length;r++){var i=ha(t,e.state.keyMaps[r],n,e);if(i)return i}return e.options.extraKeys&&ha(t,e.options.extraKeys,n,e)||ha(t,e.options.keyMap,n,e)}function cn(e,t,n,r){var i=e.state.keySeq;if(i){if(da(t))return"handled";Zo.set(50,function(){e.state.keySeq==i&&(e.state.keySeq=null,e.display.input.reset())}),t=i+" "+t}var o=sn(e,t,r);return"multi"==o&&(e.state.keySeq=t),"handled"==o&&Ci(e,"keyHandled",e,t,n),"handled"!=o&&"multi"!=o||(Ma(n),Be(e)),i&&!o&&/\'$/.test(t)?(Ma(n),!0):!!o}function un(e,t){var n=pa(t,!0);return n?t.shiftKey&&!e.state.keySeq?cn(e,"Shift-"+n,t,function(t){return ln(e,t,!0)})||cn(e,n,t,function(t){return("string"==typeof t?/^go[A-Z]/.test(t):t.motion)?ln(e,t):void 0}):cn(e,n,t,function(t){return ln(e,t)}):!1}function fn(e,t,n){return cn(e,"'"+n+"'",t,function(t){return ln(e,t,!0)})}function hn(e){var t=this;if(t.curOp.focus=Gi(),!Ti(t,e)){xo&&11>bo&&27==e.keyCode&&(e.returnValue=!1);var n=e.keyCode;t.display.shift=16==n||e.shiftKey;var r=un(t,e);Co&&(Jo=r?n:null,!r&&88==n&&!rl&&(Eo?e.metaKey:e.ctrlKey)&&t.replaceSelection("",null,"cut")),18!=n||/\bCodeMirror-crosshair\b/.test(t.display.lineDiv.className)||dn(t)}}function dn(e){function t(e){18!=e.keyCode&&e.altKey||(Za(n,"CodeMirror-crosshair"),Ia(document,"keyup",t),Ia(document,"mouseover",t))}var n=e.display.lineDiv;Ja(n,"CodeMirror-crosshair"),Ea(document,"keyup",t),Ea(document,"mouseover",t)}function pn(e){16==e.keyCode&&(this.doc.sel.shift=!1),Ti(this,e)}function mn(e){var t=this;if(!(Gt(t.display,e)||Ti(t,e)||e.ctrlKey&&!e.altKey||Eo&&e.metaKey)){var n=e.keyCode,r=e.charCode;if(Co&&n==Jo)return Jo=null,void Ma(e);if(!Co||e.which&&!(e.which<10)||!un(t,e)){var i=String.fromCharCode(null==r?n:r);fn(t,e,i)||t.display.input.onKeyPress(e)}}}function gn(e){e.state.delayingBlurEvent=!0,setTimeout(function(){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1,yn(e))},100)}function vn(e){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1),"nocursor"!=e.options.readOnly&&(e.state.focused||(Pa(e,"focus",e),e.state.focused=!0,Ja(e.display.wrapper,"CodeMirror-focused"),e.curOp||e.display.selForContextMenu==e.doc.sel||(e.display.input.reset(),wo&&setTimeout(function(){e.display.input.reset(!0)},20)),e.display.input.receivedFocus()),Be(e))}function yn(e){e.state.delayingBlurEvent||(e.state.focused&&(Pa(e,"blur",e),e.state.focused=!1,Za(e.display.wrapper,"CodeMirror-focused")),clearInterval(e.display.blinker),setTimeout(function(){e.state.focused||(e.display.shift=!1)},150))}function xn(e,t){Gt(e.display,t)||bn(e,t)||Ti(e,t,"contextmenu")||e.display.input.onContextMenu(t)}function bn(e,t){return Ni(e,"gutterContextMenu")?Zt(e,t,"gutterContextMenu",!1):!1}function wn(e,t){if(_o(e,t.from)<0)return e;if(_o(e,t.to)<=0)return Qo(t);var n=e.line+t.text.length-(t.to.line-t.from.line)-1,r=e.ch;return e.line==t.to.line&&(r+=Qo(t).ch-t.to.ch),Bo(n,r)}function kn(e,t){for(var n=[],r=0;r<e.sel.ranges.length;r++){var i=e.sel.ranges[r];n.push(new fe(wn(i.anchor,t),wn(i.head,t)))}return he(n,e.sel.primIndex)}function Sn(e,t,n){return e.line==t.line?Bo(n.line,e.ch-t.ch+n.ch):Bo(n.line+(e.line-t.line),e.ch)}function Cn(e,t,n){for(var r=[],i=Bo(e.first,0),o=i,a=0;a<t.length;a++){var l=t[a],s=Sn(l.from,i,o),c=Sn(Qo(l),i,o);if(i=l.to,o=c,"around"==n){var u=e.sel.ranges[a],f=_o(u.head,u.anchor)<0;r[a]=new fe(f?c:s,f?s:c)}else r[a]=new fe(s,s)}return new ue(r,e.sel.primIndex)}function Ln(e,t,n){var r={canceled:!1,from:t.from,to:t.to,text:t.text,origin:t.origin,cancel:function(){this.canceled=!0}};return n&&(r.update=function(t,n,r,i){t&&(this.from=me(e,t)),n&&(this.to=me(e,n)),r&&(this.text=r),void 0!==i&&(this.origin=i)}),Pa(e,"beforeChange",e,r),e.cm&&Pa(e.cm,"beforeChange",e.cm,r),r.canceled?null:{from:r.from,to:r.to,text:r.text,origin:r.origin}}function Tn(e,t,n){if(e.cm){if(!e.cm.curOp)return Et(e.cm,Tn)(e,t,n);if(e.cm.state.suppressEdits)return}if(!(Ni(e,"beforeChange")||e.cm&&Ni(e.cm,"beforeChange"))||(t=Ln(e,t,!0))){var r=Ho&&!n&&sr(e,t.from,t.to);if(r)for(var i=r.length-1;i>=0;--i)Mn(e,{from:r[i].from,to:r[i].to,text:i?[""]:t.text});else Mn(e,t)}}function Mn(e,t){if(1!=t.text.length||""!=t.text[0]||0!=_o(t.from,t.to)){var n=kn(e,t);ci(e,t,n,e.cm?e.cm.curOp.id:NaN),En(e,t,n,or(e,t));var r=[];Kr(e,function(e,n){n||-1!=Pi(r,e.history)||(xi(e.history,t),r.push(e.history)),En(e,t,null,or(e,t))})}}function Nn(e,t,n){if(!e.cm||!e.cm.state.suppressEdits){for(var r,i=e.history,o=e.sel,a="undo"==t?i.done:i.undone,l="undo"==t?i.undone:i.done,s=0;s<a.length&&(r=a[s],n?!r.ranges||r.equals(e.sel):r.ranges);s++);if(s!=a.length){for(i.lastOrigin=i.lastSelOrigin=null;r=a.pop(),r.ranges;){if(hi(r,l),n&&!r.equals(e.sel))return void Te(e,r,{clearRedo:!1});o=r}var c=[];hi(o,l),l.push({changes:c,generation:i.generation}),i.generation=r.generation||++i.maxGeneration;for(var u=Ni(e,"beforeChange")||e.cm&&Ni(e.cm,"beforeChange"),s=r.changes.length-1;s>=0;--s){var f=r.changes[s];if(f.origin=t,u&&!Ln(e,f,!1))return void(a.length=0);c.push(ai(e,f));var h=s?kn(e,f):Ii(a);En(e,f,h,lr(e,f)),!s&&e.cm&&e.cm.scrollIntoView({from:f.from,to:Qo(f)});var d=[];Kr(e,function(e,t){t||-1!=Pi(d,e.history)||(xi(e.history,f),d.push(e.history)),En(e,f,null,lr(e,f))})}}}}function An(e,t){if(0!=t&&(e.first+=t,e.sel=new ue(Ri(e.sel.ranges,function(e){return new fe(Bo(e.anchor.line+t,e.anchor.ch),Bo(e.head.line+t,e.head.ch))}),e.sel.primIndex),e.cm)){Dt(e.cm,e.first,e.first-t,t);for(var n=e.cm.display,r=n.viewFrom;r<n.viewTo;r++)Ht(e.cm,r,"gutter")}}function En(e,t,n,r){if(e.cm&&!e.cm.curOp)return Et(e.cm,En)(e,t,n,r);if(t.to.line<e.first)return void An(e,t.text.length-1-(t.to.line-t.from.line));if(!(t.from.line>e.lastLine())){if(t.from.line<e.first){var i=t.text.length-1-(e.first-t.from.line);An(e,i),t={from:Bo(e.first,0),to:Bo(t.to.line+i,t.to.ch),text:[Ii(t.text)],origin:t.origin}}var o=e.lastLine();t.to.line>o&&(t={from:t.from,to:Bo(o,Zr(e,o).text.length),text:[t.text[0]],origin:t.origin}),t.removed=Jr(e,t.from,t.to),n||(n=kn(e,t)),e.cm?On(e.cm,t,r):Yr(e,t,r),Me(e,n,Wa)}}function On(e,t,n){var r=e.doc,i=e.display,a=t.from,l=t.to,s=!1,c=a.line;e.options.lineWrapping||(c=ti(yr(Zr(r,a.line))),r.iter(c,l.line+1,function(e){return e==i.maxLine?(s=!0,!0):void 0})),r.sel.contains(t.from,t.to)>-1&&Mi(e),Yr(r,t,n,o(e)),e.options.lineWrapping||(r.iter(c,a.line+t.text.length,function(e){var t=f(e);t>i.maxLineLength&&(i.maxLine=e,i.maxLineLength=t,i.maxLineChanged=!0,s=!1)}),s&&(e.curOp.updateMaxLine=!0)),r.frontier=Math.min(r.frontier,a.line),_e(e,400);var u=t.text.length-(l.line-a.line)-1;t.full?Dt(e):a.line!=l.line||1!=t.text.length||Gr(e.doc,t)?Dt(e,a.line,l.line+1,u):Ht(e,a.line,"text");var h=Ni(e,"changes"),d=Ni(e,"change");if(d||h){var p={from:a,to:l,text:t.text,removed:t.removed,origin:t.origin};d&&Ci(e,"change",e,p),h&&(e.curOp.changeObjs||(e.curOp.changeObjs=[])).push(p)}e.display.selForContextMenu=null}function In(e,t,n,r,i){if(r||(r=n),_o(r,n)<0){var o=r;r=n,n=o}"string"==typeof t&&(t=e.splitLines(t)),Tn(e,{from:n,to:r,text:t,origin:i})}function Pn(e,t){if(!Ti(e,"scrollCursorIntoView")){var n=e.display,r=n.sizer.getBoundingClientRect(),i=null;if(t.top+r.top<0?i=!0:t.bottom+r.top>(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null!=i&&!Mo){var o=ji("div","​",null,"position: absolute; top: "+(t.top-n.viewOffset-Ue(e.display))+"px; height: "+(t.bottom-t.top+Ye(e)+n.barHeight)+"px; left: "+t.left+"px; width: 2px;");e.display.lineSpace.appendChild(o),o.scrollIntoView(i),e.display.lineSpace.removeChild(o)}}}function Rn(e,t,n,r){null==r&&(r=0);for(var i=0;5>i;i++){var o=!1,a=dt(e,t),l=n&&n!=t?dt(e,n):a,s=Hn(e,Math.min(a.left,l.left),Math.min(a.top,l.top)-r,Math.max(a.left,l.left),Math.max(a.bottom,l.bottom)+r),c=e.doc.scrollTop,u=e.doc.scrollLeft;if(null!=s.scrollTop&&(rn(e,s.scrollTop),Math.abs(e.doc.scrollTop-c)>1&&(o=!0)),null!=s.scrollLeft&&(on(e,s.scrollLeft),Math.abs(e.doc.scrollLeft-u)>1&&(o=!0)),!o)break}return a}function Dn(e,t,n,r,i){var o=Hn(e,t,n,r,i);null!=o.scrollTop&&rn(e,o.scrollTop),null!=o.scrollLeft&&on(e,o.scrollLeft)}function Hn(e,t,n,r,i){var o=e.display,a=yt(e.display);0>n&&(n=0);var l=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:o.scroller.scrollTop,s=Ve(e),c={};i-n>s&&(i=n+s);var u=e.doc.height+qe(o),f=a>n,h=i>u-a;if(l>n)c.scrollTop=f?0:n;else if(i>l+s){var d=Math.min(n,(h?u:i)-s);d!=l&&(c.scrollTop=d)}var p=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:o.scroller.scrollLeft,m=$e(e)-(e.options.fixedGutter?o.gutters.offsetWidth:0),g=r-t>m;return 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a=e.options.tabSize,l=Zr(o,t),s=Fa(l.text,null,a);l.stateAfter&&(l.stateAfter=null);var c,u=l.text.match(/^\s*/)[0];if(r||/\S/.test(l.text)){if("smart"==n&&(c=o.mode.indent(i,l.text.slice(u.length),l.text),c==Ha||c>150)){if(!r)return;n="prev"}}else c=0,n="not";"prev"==n?c=t>o.first?Fa(Zr(o,t-1).text,null,a):0:"add"==n?c=s+e.options.indentUnit:"subtract"==n?c=s-e.options.indentUnit:"number"==typeof n&&(c=s+n),c=Math.max(0,c);var f="",h=0;if(e.options.indentWithTabs)for(var d=Math.floor(c/a);d;--d)h+=a,f+="	";if(c>h&&(f+=Oi(c-h)),f!=u)return In(o,f,Bo(t,0),Bo(t,u.length),"+input"),l.stateAfter=null,!0;for(var d=0;d<o.sel.ranges.length;d++){var p=o.sel.ranges[d];if(p.head.line==t&&p.head.ch<u.length){var h=Bo(t,u.length);ke(o,d,new fe(h,h));break}}}function zn(e,t,n,r){var i=t,o=t;return"number"==typeof t?o=Zr(e,pe(e,t)):i=ti(t),null==i?null:(r(o,i)&&e.cm&&Ht(e.cm,i,n),o)}function jn(e,t){for(var n=e.doc.sel.ranges,r=[],i=0;i<n.length;i++){for(var o=t(n[i]);r.length&&_o(o.from,Ii(r).to)<=0;){var a=r.pop();if(_o(a.from,o.from)<0){o.from=a.from;break}}r.push(o)}At(e,function(){for(var t=r.length-1;t>=0;t--)In(e.doc,"",r[t].from,r[t].to,"+delete");Bn(e)})}function Un(e,t,n,r,i){function o(){var t=l+n;return t<e.first||t>=e.first+e.size?!1:(l=t,u=Zr(e,t))}function a(e){var t=(i?fo:ho)(u,s,n,!0);if(null==t){if(e||!o())return!1;s=i?(0>n?io:ro)(u):0>n?u.text.length:0}else s=t;return!0}var l=t.line,s=t.ch,c=n,u=Zr(e,l);if("char"==r)a();else if("column"==r)a(!0);else if("word"==r||"group"==r)for(var f=null,h="group"==r,d=e.cm&&e.cm.getHelper(t,"wordChars"),p=!0;!(0>n)||a(!p);p=!1){var m=u.text.charAt(s)||"\n",g=_i(m,d)?"w":h&&"\n"==m?"n":!h||/\s/.test(m)?null:"p";if(!h||p||g||(g="s"),f&&f!=g){0>n&&(n=1,a());break}if(g&&(f=g),n>0&&!a(!p))break}var v=Ie(e,Bo(l,s),t,c,!0);return _o(t,v)||(v.hitSide=!0),v}function qn(e,t,n,r){var i,o=e.doc,a=t.left;if("page"==r){var l=Math.min(e.display.wrapper.clientHeight,window.innerHeight||document.documentElement.clientHeight);i=t.top+n*(l-(0>n?1.5:.5)*yt(e.display))}else"line"==r&&(i=n>0?t.bottom+3:t.top-3);for(;;){var s=gt(e,a,i);if(!s.outside)break;if(0>n?0>=i:i>=o.height){s.hitSide=!0;break}i+=5*n}return s}function Gn(t,n,r,i){e.defaults[t]=n,r&&(ta[t]=i?function(e,t,n){n!=na&&r(e,t,n)}:r)}function Yn(e){for(var t,n,r,i,o=e.split(/-(?!$)/),e=o[o.length-1],a=0;a<o.length-1;a++){var l=o[a];if(/^(cmd|meta|m)$/i.test(l))i=!0;else if(/^a(lt)?$/i.test(l))t=!0;else if(/^(c|ctrl|control)$/i.test(l))n=!0;else{
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l,s=t.line,c=e.cm;if(e.iter(s,n.line+1,function(e){c&&o.collapsed&&!c.options.lineWrapping&&yr(e)==c.display.maxLine&&(l=!0),o.collapsed&&s!=t.line&&ei(e,0),nr(e,new Qn(o,s==t.line?t.ch:null,s==n.line?n.ch:null)),++s}),o.collapsed&&e.iter(t.line,n.line+1,function(t){kr(e,t)&&ei(t,0)}),o.clearOnEnter&&Ea(o,"beforeCursorEnter",function(){o.clear()}),o.readOnly&&(Ho=!0,(e.history.done.length||e.history.undone.length)&&e.clearHistory()),o.collapsed&&(o.id=++ga,o.atomic=!0),c){if(l&&(c.curOp.updateMaxLine=!0),o.collapsed)Dt(c,t.line,n.line+1);else if(o.className||o.title||o.startStyle||o.endStyle||o.css)for(var u=t.line;u<=n.line;u++)Ht(c,u,"text");o.atomic&&Ae(c.doc),Ci(c,"markerAdded",c,o)}return o}function Kn(e,t,n,r,i){r=Wi(r),r.shared=!1;var o=[Vn(e,t,n,r,i)],a=o[0],l=r.widgetNode;return Kr(e,function(e){l&&(r.widgetNode=l.cloneNode(!0)),o.push(Vn(e,me(e,t),me(e,n),r,i));for(var s=0;s<e.linked.length;++s)if(e.linked[s].isParent)return;a=Ii(o)}),new ya(o,a)}function Xn(e){return e.findMarks(Bo(e.first,0),e.clipPos(Bo(e.lastLine())),function(e){return e.parent})}function Zn(e,t){for(var n=0;n<t.length;n++){var r=t[n],i=r.find(),o=e.clipPos(i.from),a=e.clipPos(i.to);if(_o(o,a)){var l=Vn(e,o,a,r.primary,r.primary.type);r.markers.push(l),l.parent=r}}}function Jn(e){for(var t=0;t<e.length;t++){var n=e[t],r=[n.primary.doc];Kr(n.primary.doc,function(e){r.push(e)});for(var i=0;i<n.markers.length;i++){var o=n.markers[i];-1==Pi(r,o.doc)&&(o.parent=null,n.markers.splice(i--,1))}}}function Qn(e,t,n){this.marker=e,this.from=t,this.to=n}function er(e,t){if(e)for(var n=0;n<e.length;++n){var r=e[n];if(r.marker==t)return r}}function tr(e,t){for(var n,r=0;r<e.length;++r)e[r]!=t&&(n||(n=[])).push(e[r]);return n}function nr(e,t){e.markedSpans=e.markedSpans?e.markedSpans.concat([t]):[t],t.marker.attachLine(e)}function rr(e,t,n){if(e)for(var r,i=0;i<e.length;++i){var o=e[i],a=o.marker,l=null==o.from||(a.inclusiveLeft?o.from<=t:o.from<t);if(l||o.from==t&&"bookmark"==a.type&&(!n||!o.marker.insertLeft)){var s=null==o.to||(a.inclusiveRight?o.to>=t:o.to>t);(r||(r=[])).push(new Qn(a,o.from,s?null:o.to))}}return r}function ir(e,t,n){if(e)for(var r,i=0;i<e.length;++i){var o=e[i],a=o.marker,l=null==o.to||(a.inclusiveRight?o.to>=t:o.to>t);if(l||o.from==t&&"bookmark"==a.type&&(!n||o.marker.insertLeft)){var s=null==o.from||(a.inclusiveLeft?o.from<=t:o.from<t);(r||(r=[])).push(new Qn(a,s?null:o.from-t,null==o.to?null:o.to-t))}}return r}function or(e,t){if(t.full)return null;var n=ve(e,t.from.line)&&Zr(e,t.from.line).markedSpans,r=ve(e,t.to.line)&&Zr(e,t.to.line).markedSpans;if(!n&&!r)return null;var i=t.from.ch,o=t.to.ch,a=0==_o(t.from,t.to),l=rr(n,i,a),s=ir(r,o,a),c=1==t.text.length,u=Ii(t.text).length+(c?i:0);if(l)for(var f=0;f<l.length;++f){var h=l[f];if(null==h.to){var d=er(s,h.marker);d?c&&(h.to=null==d.to?null:d.to+u):h.to=i}}if(s)for(var f=0;f<s.length;++f){var h=s[f];if(null!=h.to&&(h.to+=u),null==h.from){var d=er(l,h.marker);d||(h.from=u,c&&(l||(l=[])).push(h))}else h.from+=u,c&&(l||(l=[])).push(h)}l&&(l=ar(l)),s&&s!=l&&(s=ar(s));var p=[l];if(!c){var m,g=t.text.length-2;if(g>0&&l)for(var f=0;f<l.length;++f)null==l[f].to&&(m||(m=[])).push(new Qn(l[f].marker,null,null));for(var f=0;g>f;++f)p.push(m);p.push(s)}return p}function ar(e){for(var t=0;t<e.length;++t){var n=e[t];null!=n.from&&n.from==n.to&&n.marker.clearWhenEmpty!==!1&&e.splice(t--,1)}return e.length?e:null}function lr(e,t){var n=mi(e,t),r=or(e,t);if(!n)return r;if(!r)return n;for(var i=0;i<n.length;++i){var o=n[i],a=r[i];if(o&&a)e:for(var l=0;l<a.length;++l){for(var s=a[l],c=0;c<o.length;++c)if(o[c].marker==s.marker)continue e;o.push(s)}else a&&(n[i]=a)}return n}function sr(e,t,n){var r=null;if(e.iter(t.line,n.line+1,function(e){if(e.markedSpans)for(var t=0;t<e.markedSpans.length;++t){var n=e.markedSpans[t].marker;!n.readOnly||r&&-1!=Pi(r,n)||(r||(r=[])).push(n)}}),!r)return null;for(var i=[{from:t,to:n}],o=0;o<r.length;++o)for(var a=r[o],l=a.find(0),s=0;s<i.length;++s){var c=i[s];if(!(_o(c.to,l.from)<0||_o(c.from,l.to)>0)){var u=[s,1],f=_o(c.from,l.from),h=_o(c.to,l.to);(0>f||!a.inclusiveLeft&&!f)&&u.push({from:c.from,to:l.from}),(h>0||!a.inclusiveRight&&!h)&&u.push({from:l.to,to:c.to}),i.splice.apply(i,u),s+=u.length-1}}return i}function cr(e){var t=e.markedSpans;if(t){for(var n=0;n<t.length;++n)t[n].marker.detachLine(e);e.markedSpans=null}}function ur(e,t){if(t){for(var n=0;n<t.length;++n)t[n].marker.attachLine(e);e.markedSpans=t}}function fr(e){return e.inclusiveLeft?-1:0}function hr(e){return e.inclusiveRight?1:0}function dr(e,t){var n=e.lines.length-t.lines.length;if(0!=n)return n;var r=e.find(),i=t.find(),o=_o(r.from,i.from)||fr(e)-fr(t);if(o)return-o;var a=_o(r.to,i.to)||hr(e)-hr(t);return a?a:t.id-e.id}function pr(e,t){var n,r=Wo&&e.markedSpans;if(r)for(var i,o=0;o<r.length;++o)i=r[o],i.marker.collapsed&&null==(t?i.from:i.to)&&(!n||dr(n,i.marker)<0)&&(n=i.marker);return n}function mr(e){return pr(e,!0)}function gr(e){return pr(e,!1)}function vr(e,t,n,r,i){var o=Zr(e,t),a=Wo&&o.markedSpans;if(a)for(var l=0;l<a.length;++l){var s=a[l];if(s.marker.collapsed){var c=s.marker.find(0),u=_o(c.from,n)||fr(s.marker)-fr(i),f=_o(c.to,r)||hr(s.marker)-hr(i);if(!(u>=0&&0>=f||0>=u&&f>=0)&&(0>=u&&(s.marker.inclusiveRight&&i.inclusiveLeft?_o(c.to,n)>=0:_o(c.to,n)>0)||u>=0&&(s.marker.inclusiveRight&&i.inclusiveLeft?_o(c.from,r)<=0:_o(c.from,r)<0)))return!0}}}function yr(e){for(var t;t=mr(e);)e=t.find(-1,!0).line;return e}function xr(e){for(var t,n;t=gr(e);)e=t.find(1,!0).line,(n||(n=[])).push(e);return n}function br(e,t){var n=Zr(e,t),r=yr(n);return n==r?t:ti(r)}function wr(e,t){if(t>e.lastLine())return t;var n,r=Zr(e,t);if(!kr(e,r))return t;for(;n=gr(r);)r=n.find(1,!0).line;return ti(r)+1}function kr(e,t){var n=Wo&&t.markedSpans;if(n)for(var 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u=qa(i.node,i.offset,o.offset,o.node)}catch(f){}u&&(!go&&this.cm.state.focused?(e.collapse(i.node,i.offset),u.collapsed||e.addRange(u)):(e.removeAllRanges(),e.addRange(u)),l&&null==e.anchorNode?e.addRange(l):go&&this.startGracePeriod()),this.rememberSelection()}}},startGracePeriod:function(){var e=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){e.gracePeriod=!1,e.selectionChanged()&&e.cm.operation(function(){e.cm.curOp.selectionChanged=!0})},20)},showMultipleSelections:function(e){qi(this.cm.display.cursorDiv,e.cursors),qi(this.cm.display.selectionDiv,e.selection)},rememberSelection:function(){var e=window.getSelection();this.lastAnchorNode=e.anchorNode,this.lastAnchorOffset=e.anchorOffset,this.lastFocusNode=e.focusNode,this.lastFocusOffset=e.focusOffset},selectionInEditor:function(){var e=window.getSelection();if(!e.rangeCount)return!1;var t=e.getRangeAt(0).commonAncestorContainer;return Va(this.div,t)},focus:function(){"nocursor"!=this.cm.options.readOnly&&this.div.focus()},blur:function(){this.div.blur()},getField:function(){return this.div},supportsTouch:function(){return!0},receivedFocus:function(){function e(){t.cm.state.focused&&(t.pollSelection(),t.polling.set(t.cm.options.pollInterval,e))}var t=this;this.selectionInEditor()?this.pollSelection():At(this.cm,function(){t.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,e)},selectionChanged:function(){var e=window.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},pollSelection:function(){if(!this.composing&&!this.gracePeriod&&this.selectionChanged()){var e=window.getSelection(),t=this.cm;this.rememberSelection();var n=le(t,e.anchorNode,e.anchorOffset),r=le(t,e.focusNode,e.focusOffset);n&&r&&At(t,function(){Te(t.doc,de(n,r),Wa),(n.bad||r.bad)&&(t.curOp.selectionChanged=!0)})}},pollContent:function(){var e=this.cm,t=e.display,n=e.doc.sel.primary(),r=n.from(),i=n.to();if(r.line<t.viewFrom||i.line>t.viewTo-1)return!1;var o;if(r.line==t.viewFrom||0==(o=Bt(e,r.line)))var a=ti(t.view[0].line),l=t.view[0].node;else var a=ti(t.view[o].line),l=t.view[o-1].node.nextSibling;var s=Bt(e,i.line);if(s==t.view.length-1)var c=t.viewTo-1,u=t.lineDiv.lastChild;else var c=ti(t.view[s+1].line)-1,u=t.view[s+1].node.previousSibling;for(var f=e.doc.splitLines(ce(e,l,u,a,c)),h=Jr(e.doc,Bo(a,0),Bo(c,Zr(e.doc,c).text.length));f.length>1&&h.length>1;)if(Ii(f)==Ii(h))f.pop(),h.pop(),c--;else{if(f[0]!=h[0])break;f.shift(),h.shift(),a++}for(var d=0,p=0,m=f[0],g=h[0],v=Math.min(m.length,g.length);v>d&&m.charCodeAt(d)==g.charCodeAt(d);)++d;for(var y=Ii(f),x=Ii(h),b=Math.min(y.length-(1==f.length?d:0),x.length-(1==h.length?d:0));b>p&&y.charCodeAt(y.length-p-1)==x.charCodeAt(x.length-p-1);)++p;f[f.length-1]=y.slice(0,y.length-p),f[0]=f[0].slice(d);var w=Bo(a,d),k=Bo(c,h.length?Ii(h).length-p:0);return f.length>1||f[0]||_o(w,k)?(In(e.doc,f,w,k,"+input"),!0):void 0},ensurePolled:function(){this.forceCompositionEnd()},reset:function(){this.forceCompositionEnd()},forceCompositionEnd:function(){this.composing&&!this.composing.handled&&(this.applyComposition(this.composing),this.composing.handled=!0,this.div.blur(),this.div.focus())},applyComposition:function(e){this.cm.isReadOnly()?Et(this.cm,Dt)(this.cm):e.data&&e.data!=e.startData&&Et(this.cm,Z)(this.cm,e.data,0,e.sel)},setUneditable:function(e){e.contentEditable="false"},onKeyPress:function(e){e.preventDefault(),this.cm.isReadOnly()||Et(this.cm,Z)(this.cm,String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),0)},readOnlyChanged:function(e){this.div.contentEditable=String("nocursor"!=e)},onContextMenu:Di,resetPosition:Di,needsContentAttribute:!0},ie.prototype),e.inputStyles={textarea:ne,contenteditable:ie},ue.prototype={primary:function(){return this.ranges[this.primIndex]},equals:function(e){if(e==this)return!0;if(e.primIndex!=this.primIndex||e.ranges.length!=this.ranges.length)return!1;for(var t=0;t<this.ranges.length;t++){var n=this.ranges[t],r=e.ranges[t];if(0!=_o(n.anchor,r.anchor)||0!=_o(n.head,r.head))return!1}return!0},deepCopy:function(){for(var e=[],t=0;t<this.ranges.length;t++)e[t]=new fe($(this.ranges[t].anchor),$(this.ranges[t].head));return new ue(e,this.primIndex)},somethingSelected:function(){for(var e=0;e<this.ranges.length;e++)if(!this.ranges[e].empty())return!0;return!1},contains:function(e,t){t||(t=e);for(var n=0;n<this.ranges.length;n++){var r=this.ranges[n];if(_o(t,r.from())>=0&&_o(e,r.to())<=0)return n}return-1}},fe.prototype={from:function(){return K(this.anchor,this.head)},to:function(){return V(this.anchor,this.head)},empty:function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch}};var zo,jo,Uo,qo={left:0,right:0,top:0,bottom:0},Go=null,Yo=0,$o=0,Vo=0,Ko=null;xo?Ko=-.53:go?Ko=15:So?Ko=-.7:Lo&&(Ko=-1/3);var Xo=function(e){var t=e.wheelDeltaX,n=e.wheelDeltaY;return null==t&&e.detail&&e.axis==e.HORIZONTAL_AXIS&&(t=e.detail),null==n&&e.detail&&e.axis==e.VERTICAL_AXIS?n=e.detail:null==n&&(n=e.wheelDelta),{x:t,y:n}};e.wheelEventPixels=function(e){var t=Xo(e);return t.x*=Ko,t.y*=Ko,t};var Zo=new Ei,Jo=null,Qo=e.changeEnd=function(e){return e.text?Bo(e.from.line+e.text.length-1,Ii(e.text).length+(1==e.text.length?e.from.ch:0)):e.to};e.prototype={constructor:e,focus:function(){window.focus(),this.display.input.focus()},setOption:function(e,t){var n=this.options,r=n[e];n[e]==t&&"mode"!=e||(n[e]=t,ta.hasOwnProperty(e)&&Et(this,ta[e])(this,t,r))},getOption:function(e){return this.options[e]},getDoc:function(){return this.doc},addKeyMap:function(e,t){this.state.keyMaps[t?"push":"unshift"]($n(e))},removeKeyMap:function(e){for(var t=this.state.keyMaps,n=0;n<t.length;++n)if(t[n]==e||t[n].name==e)return t.splice(n,1),!0},addOverlay:Ot(function(t,n){var r=t.token?t:e.getMode(this.options,t);if(r.startState)throw new Error("Overlays may not be stateful.");this.state.overlays.push({mode:r,modeSpec:t,opaque:n&&n.opaque}),this.state.modeGen++,Dt(this)}),removeOverlay:Ot(function(e){for(var t=this.state.overlays,n=0;n<t.length;++n){var r=t[n].modeSpec;if(r==e||"string"==typeof e&&r.name==e)return t.splice(n,1),this.state.modeGen++,void Dt(this)}}),indentLine:Ot(function(e,t,n){"string"!=typeof t&&"number"!=typeof t&&(t=null==t?this.options.smartIndent?"smart":"prev":t?"add":"subtract"),ve(this.doc,e)&&Fn(this,e,t,n)}),indentSelection:Ot(function(e){for(var t=this.doc.sel.ranges,n=-1,r=0;r<t.length;r++){var i=t[r];if(i.empty())i.head.line>n&&(Fn(this,i.head.line,e,!0),n=i.head.line,r==this.doc.sel.primIndex&&Bn(this));else{var o=i.from(),a=i.to(),l=Math.max(n,o.line);n=Math.min(this.lastLine(),a.line-(a.ch?0:1))+1;for(var s=l;n>s;++s)Fn(this,s,e);var c=this.doc.sel.ranges;0==o.ch&&t.length==c.length&&c[r].from().ch>0&&ke(this.doc,r,new fe(o,c[r].to()),Wa)}}}),getTokenAt:function(e,t){return Ir(this,e,t)},getLineTokens:function(e,t){return Ir(this,Bo(e),t,!0)},getTokenTypeAt:function(e){e=me(this.doc,e);var t,n=Dr(this,Zr(this.doc,e.line)),r=0,i=(n.length-1)/2,o=e.ch;if(0==o)t=n[2];else for(;;){var a=r+i>>1;if((a?n[2*a-1]:0)>=o)i=a;else{if(!(n[2*a+1]<o)){t=n[2*a+2];break}r=a+1}}var l=t?t.indexOf("cm-overlay "):-1;return 0>l?t:0==l?null:t.slice(0,l-1)},getModeAt:function(t){var n=this.doc.mode;return n.innerMode?e.innerMode(n,this.getTokenAt(t).state).mode:n},getHelper:function(e,t){return this.getHelpers(e,t)[0]},getHelpers:function(e,t){var n=[];if(!la.hasOwnProperty(t))return n;var r=la[t],i=this.getModeAt(e);if("string"==typeof i[t])r[i[t]]&&n.push(r[i[t]]);else if(i[t])for(var o=0;o<i[t].length;o++){var a=r[i[t][o]];a&&n.push(a)}else i.helperType&&r[i.helperType]?n.push(r[i.helperType]):r[i.name]&&n.push(r[i.name]);for(var o=0;o<r._global.length;o++){var l=r._global[o];l.pred(i,this)&&-1==Pi(n,l.val)&&n.push(l.val)}return n},getStateAfter:function(e,t){var n=this.doc;return e=pe(n,null==e?n.first+n.size-1:e),je(this,e+1,t)},cursorCoords:function(e,t){var n,r=this.doc.sel.primary();return n=null==e?r.head:"object"==typeof e?me(this.doc,e):e?r.from():r.to(),dt(this,n,t||"page")},charCoords:function(e,t){return ht(this,me(this.doc,e),t||"page")},coordsChar:function(e,t){return e=ft(this,e,t||"page"),gt(this,e.left,e.top)},lineAtHeight:function(e,t){return e=ft(this,{top:e,left:0},t||"page").top,ni(this.doc,e+this.display.viewOffset)},heightAtLine:function(e,t){var n,r=!1;if("number"==typeof e){var i=this.doc.first+this.doc.size-1;e<this.doc.first?e=this.doc.first:e>i&&(e=i,r=!0),n=Zr(this.doc,e)}else n=e;return ut(this,n,{top:0,left:0},t||"page").top+(r?this.doc.height-ri(n):0)},defaultTextHeight:function(){return yt(this.display)},defaultCharWidth:function(){return xt(this.display)},setGutterMarker:Ot(function(e,t,n){return zn(this.doc,e,"gutter",function(e){var r=e.gutterMarkers||(e.gutterMarkers={});return r[t]=n,!n&&Fi(r)&&(e.gutterMarkers=null),!0})}),clearGutter:Ot(function(e){var t=this,n=t.doc,r=n.first;n.iter(function(n){n.gutterMarkers&&n.gutterMarkers[e]&&(n.gutterMarkers[e]=null,Ht(t,r,"gutter"),Fi(n.gutterMarkers)&&(n.gutterMarkers=null)),++r})}),lineInfo:function(e){if("number"==typeof e){if(!ve(this.doc,e))return null;var t=e;if(e=Zr(this.doc,e),!e)return null}else{var t=ti(e);if(null==t)return null}return{line:t,handle:e,text:e.text,gutterMarkers:e.gutterMarkers,textClass:e.textClass,bgClass:e.bgClass,wrapClass:e.wrapClass,widgets:e.widgets}},getViewport:function(){return{from:this.display.viewFrom,to:this.display.viewTo}},addWidget:function(e,t,n,r,i){var o=this.display;e=dt(this,me(this.doc,e));var a=e.bottom,l=e.left;if(t.style.position="absolute",t.setAttribute("cm-ignore-events","true"),this.display.input.setUneditable(t),o.sizer.appendChild(t),"over"==r)a=e.top;else if("above"==r||"near"==r){var s=Math.max(o.wrapper.clientHeight,this.doc.height),c=Math.max(o.sizer.clientWidth,o.lineSpace.clientWidth);("above"==r||e.bottom+t.offsetHeight>s)&&e.top>t.offsetHeight?a=e.top-t.offsetHeight:e.bottom+t.offsetHeight<=s&&(a=e.bottom),l+t.offsetWidth>c&&(l=c-t.offsetWidth)}t.style.top=a+"px",t.style.left=t.style.right="","right"==i?(l=o.sizer.clientWidth-t.offsetWidth,t.style.right="0px"):("left"==i?l=0:"middle"==i&&(l=(o.sizer.clientWidth-t.offsetWidth)/2),t.style.left=l+"px"),n&&Dn(this,l,a,l+t.offsetWidth,a+t.offsetHeight)},triggerOnKeyDown:Ot(hn),triggerOnKeyPress:Ot(mn),triggerOnKeyUp:pn,execCommand:function(e){return ua.hasOwnProperty(e)?ua[e].call(null,this):void 0},triggerElectric:Ot(function(e){Q(this,e)}),findPosH:function(e,t,n,r){var i=1;0>t&&(i=-1,t=-t);for(var o=0,a=me(this.doc,e);t>o&&(a=Un(this.doc,a,i,n,r),!a.hitSide);++o);return a},moveH:Ot(function(e,t){var n=this;n.extendSelectionsBy(function(r){return n.display.shift||n.doc.extend||r.empty()?Un(n.doc,r.head,e,t,n.options.rtlMoveVisually):0>e?r.from():r.to()},_a)}),deleteH:Ot(function(e,t){var n=this.doc.sel,r=this.doc;n.somethingSelected()?r.replaceSelection("",null,"+delete"):jn(this,function(n){var i=Un(r,n.head,e,t,!1);return 0>e?{from:i,to:n.head}:{from:n.head,to:i}})}),findPosV:function(e,t,n,r){var i=1,o=r;0>t&&(i=-1,t=-t);for(var a=0,l=me(this.doc,e);t>a;++a){var s=dt(this,l,"div");if(null==o?o=s.left:s.left=o,l=qn(this,s,i,n),l.hitSide)break}return l},moveV:Ot(function(e,t){var n=this,r=this.doc,i=[],o=!n.display.shift&&!r.extend&&r.sel.somethingSelected();if(r.extendSelectionsBy(function(a){if(o)return 0>e?a.from():a.to();var l=dt(n,a.head,"div");null!=a.goalColumn&&(l.left=a.goalColumn),i.push(l.left);var s=qn(n,l,e,t);return"page"==t&&a==r.sel.primary()&&Wn(n,null,ht(n,s,"div").top-l.top),s},_a),i.length)for(var a=0;a<r.sel.ranges.length;a++)r.sel.ranges[a].goalColumn=i[a]}),findWordAt:function(e){var t=this.doc,n=Zr(t,e.line).text,r=e.ch,i=e.ch;if(n){var o=this.getHelper(e,"wordChars");(e.xRel<0||i==n.length)&&r?--r:++i;for(var a=n.charAt(r),l=_i(a,o)?function(e){return _i(e,o)}:/\s/.test(a)?function(e){return/\s/.test(e)}:function(e){return!/\s/.test(e)&&!_i(e)};r>0&&l(n.charAt(r-1));)--r;for(;i<n.length&&l(n.charAt(i));)++i}return new fe(Bo(e.line,r),Bo(e.line,i))},toggleOverwrite:function(e){null!=e&&e==this.state.overwrite||((this.state.overwrite=!this.state.overwrite)?Ja(this.display.cursorDiv,"CodeMirror-overwrite"):Za(this.display.cursorDiv,"CodeMirror-overwrite"),Pa(this,"overwriteToggle",this,this.state.overwrite))},hasFocus:function(){return this.display.input.getField()==Gi()},isReadOnly:function(){return!(!this.options.readOnly&&!this.doc.cantEdit)},scrollTo:Ot(function(e,t){null==e&&null==t||_n(this),null!=e&&(this.curOp.scrollLeft=e),null!=t&&(this.curOp.scrollTop=t)}),getScrollInfo:function(){var e=this.display.scroller;return{left:e.scrollLeft,top:e.scrollTop,height:e.scrollHeight-Ye(this)-this.display.barHeight,width:e.scrollWidth-Ye(this)-this.display.barWidth,clientHeight:Ve(this),clientWidth:$e(this)}},scrollIntoView:Ot(function(e,t){if(null==e?(e={from:this.doc.sel.primary().head,to:null},null==t&&(t=this.options.cursorScrollMargin)):"number"==typeof e?e={from:Bo(e,0),to:null}:null==e.from&&(e={from:e,to:null}),e.to||(e.to=e.from),e.margin=t||0,null!=e.from.line)_n(this),this.curOp.scrollToPos=e;else{var n=Hn(this,Math.min(e.from.left,e.to.left),Math.min(e.from.top,e.to.top)-e.margin,Math.max(e.from.right,e.to.right),Math.max(e.from.bottom,e.to.bottom)+e.margin);this.scrollTo(n.scrollLeft,n.scrollTop)}}),setSize:Ot(function(e,t){function n(e){return"number"==typeof e||/^\d+$/.test(String(e))?e+"px":e}var r=this;null!=e&&(r.display.wrapper.style.width=n(e)),null!=t&&(r.display.wrapper.style.height=n(t)),r.options.lineWrapping&&at(this);var i=r.display.viewFrom;r.doc.iter(i,r.display.viewTo,function(e){if(e.widgets)for(var t=0;t<e.widgets.length;t++)if(e.widgets[t].noHScroll){Ht(r,i,"widget");break}++i}),r.curOp.forceUpdate=!0,Pa(r,"refresh",this)}),operation:function(e){return At(this,e)},refresh:Ot(function(){var e=this.display.cachedTextHeight;Dt(this),this.curOp.forceUpdate=!0,lt(this),this.scrollTo(this.doc.scrollLeft,this.doc.scrollTop),u(this),(null==e||Math.abs(e-yt(this.display))>.5)&&a(this),Pa(this,"refresh",this)}),swapDoc:Ot(function(e){var t=this.doc;return t.cm=null,Xr(this,e),lt(this),this.display.input.reset(),this.scrollTo(e.scrollLeft,e.scrollTop),this.curOp.forceScroll=!0,Ci(this,"swapDoc",this,t),t}),getInputField:function(){return this.display.input.getField()},getWrapperElement:function(){return this.display.wrapper},getScrollerElement:function(){return this.display.scroller},getGutterElement:function(){return this.display.gutters}},Ai(e);var ea=e.defaults={},ta=e.optionHandlers={},na=e.Init={toString:function(){return"CodeMirror.Init"}};Gn("value","",function(e,t){e.setValue(t)},!0),Gn("mode",null,function(e,t){e.doc.modeOption=t,n(e)},!0),Gn("indentUnit",2,n,!0),Gn("indentWithTabs",!1),Gn("smartIndent",!0),Gn("tabSize",4,function(e){r(e),lt(e),Dt(e)},!0),Gn("lineSeparator",null,function(e,t){if(e.doc.lineSep=t,t){var n=[],r=e.doc.first;e.doc.iter(function(e){for(var i=0;;){var o=e.text.indexOf(t,i);if(-1==o)break;i=o+t.length,n.push(Bo(r,o))}r++});for(var 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i=$n(n),o=r!=e.Init&&$n(r);o&&o.detach&&o.detach(t,i),i.attach&&i.attach(t,o||null)}),Gn("extraKeys",null),Gn("lineWrapping",!1,i,!0),Gn("gutters",[],function(e){d(e.options),s(e)},!0),Gn("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?C(e.display)+"px":"0",e.refresh()},!0),Gn("coverGutterNextToScrollbar",!1,function(e){y(e)},!0),Gn("scrollbarStyle","native",function(e){v(e),y(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),Gn("lineNumbers",!1,function(e){d(e.options),s(e)},!0),Gn("firstLineNumber",1,s,!0),Gn("lineNumberFormatter",function(e){return 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this.options.smartypants?e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014\/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014\/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…"):e},i.prototype.mangle=function(e){if(!this.options.mangle)return e;for(var t,n="",r=e.length,i=0;r>i;i++)t=e.charCodeAt(i),Math.random()>.5&&(t="x"+t.toString(16)),n+="&#"+t+";";return n},o.prototype.code=function(e,t,n){if(this.options.highlight){var r=this.options.highlight(e,t);null!=r&&r!==e&&(n=!0,e=r)}return t?'<pre><code class="'+this.options.langPrefix+l(t,!0)+'">'+(n?e:l(e,!0))+"\n</code></pre>\n":"<pre><code>"+(n?e:l(e,!0))+"\n</code></pre>"},o.prototype.blockquote=function(e){return"<blockquote>\n"+e+"</blockquote>\n"},o.prototype.html=function(e){return e},o.prototype.heading=function(e,t,n){return"<h"+t+' id="'+this.options.headerPrefix+n.toLowerCase().replace(/[^\w]+/g,"-")+'">'+e+"</h"+t+">\n"},o.prototype.hr=function(){return this.options.xhtml?"<hr/>\n":"<hr>\n"},o.prototype.list=function(e,t){var n=t?"ol":"ul";return"<"+n+">\n"+e+"</"+n+">\n"},o.prototype.listitem=function(e){return"<li>"+e+"</li>\n"},o.prototype.paragraph=function(e){return"<p>"+e+"</p>\n"},o.prototype.table=function(e,t){return"<table>\n<thead>\n"+e+"</thead>\n<tbody>\n"+t+"</tbody>\n</table>\n"},o.prototype.tablerow=function(e){return"<tr>\n"+e+"</tr>\n"},o.prototype.tablecell=function(e,t){var n=t.header?"th":"td",r=t.align?"<"+n+' style="text-align:'+t.align+'">':"<"+n+">";return r+e+"</"+n+">\n"},o.prototype.strong=function(e){return"<strong>"+e+"</strong>"},o.prototype.em=function(e){return"<em>"+e+"</em>"},o.prototype.codespan=function(e){return"<code>"+e+"</code>"},o.prototype.br=function(){return this.options.xhtml?"<br/>":"<br>"},o.prototype.del=function(e){return"<del>"+e+"</del>"},o.prototype.link=function(e,t,n){if(this.options.sanitize){try{var r=decodeURIComponent(s(e)).replace(/[^\w:]/g,"").toLowerCase()}catch(i){return""}if(0===r.indexOf("javascript:")||0===r.indexOf("vbscript:"))return""}var o='<a href="'+e+'"';return t&&(o+=' title="'+t+'"'),o+=">"+n+"</a>"},o.prototype.image=function(e,t,n){var r='<img src="'+e+'" alt="'+n+'"';return t&&(r+=' title="'+t+'"'),r+=this.options.xhtml?"/>":">"},o.prototype.text=function(e){return e},a.parse=function(e,t,n){var r=new a(t,n);return r.parse(e)},a.prototype.parse=function(e){this.inline=new i(e.links,this.options,this.renderer),this.tokens=e.reverse();for(var t="";this.next();)t+=this.tok();return t},a.prototype.next=function(){return this.token=this.tokens.pop()},a.prototype.peek=function(){return this.tokens[this.tokens.length-1]||0},a.prototype.parseText=function(){for(var e=this.token.text;"text"===this.peek().type;)e+="\n"+this.next().text;return this.inline.output(e)},a.prototype.tok=function(){switch(this.token.type){case"space":return"";case"hr":return 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a="";"list_item_end"!==this.next().type;)a+="text"===this.token.type?this.parseText():this.tok();return this.renderer.listitem(a);case"loose_item_start":for(var a="";"list_item_end"!==this.next().type;)a+=this.tok();return this.renderer.listitem(a);case"html":var s=this.token.pre||this.options.pedantic?this.token.text:this.inline.output(this.token.text);return this.renderer.html(s);case"paragraph":return this.renderer.paragraph(this.inline.output(this.token.text));case"text":return this.renderer.paragraph(this.parseText())}},u.exec=u,h.options=h.setOptions=function(e){return f(h.defaults,e),h},h.defaults={gfm:!0,tables:!0,breaks:!1,pedantic:!1,sanitize:!1,sanitizer:null,mangle:!0,smartLists:!1,silent:!1,highlight:null,langPrefix:"lang-",smartypants:!1,headerPrefix:"",renderer:new o,xhtml:!1},h.Parser=a,h.parser=a.parse,h.Renderer=o,h.Lexer=t,h.lexer=t.lex,h.InlineLexer=i,h.inlineLexer=i.output,h.parse=h,"undefined"!=typeof n&&"object"==typeof r?n.exports=h:"function"==typeof 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o="./dictionaries";t||(t=this._readFile(o+"/"+e+"/"+e+".aff")),n||(n=this._readFile(o+"/"+e+"/"+e+".dic"))}this.rules=this._parseAFF(t),this.compoundRuleCodes={};for(var a=0,l=this.compoundRules.length;l>a;a++)for(var s=this.compoundRules[a],c=0,u=s.length;u>c;c++)this.compoundRuleCodes[s[c]]=[];"ONLYINCOMPOUND"in this.flags&&(this.compoundRuleCodes[this.flags.ONLYINCOMPOUND]=[]),this.dictionaryTable=this._parseDIC(n);for(var a in this.compoundRuleCodes)0==this.compoundRuleCodes[a].length&&delete this.compoundRuleCodes[a];for(var a=0,l=this.compoundRules.length;l>a;a++){for(var f=this.compoundRules[a],h="",c=0,u=f.length;u>c;c++){var d=f[c];h+=d in this.compoundRuleCodes?"("+this.compoundRuleCodes[d].join("|")+")":d}this.compoundRules[a]=new RegExp(h,"i")}}return this};i.prototype={load:function(e){for(var t in e)this[t]=e[t];return this},_readFile:function(t,r){if(r||(r="utf8"),"undefined"!=typeof XMLHttpRequest){var i=new XMLHttpRequest;return i.open("GET",t,!1),i.overrideMimeType&&i.overrideMimeType("text/plain; charset="+r),i.send(null),i.responseText}if("undefined"!=typeof e){var o=e("fs");try{if(o.existsSync(t)){var a=o.statSync(t),l=o.openSync(t,"r"),s=new n(a.size);return o.readSync(l,s,0,s.length,null),s.toString(r,0,s.length)}console.log("Path "+t+" does not exist.")}catch(c){return console.log(c),""}}},_parseAFF:function(e){var t={};e=this._removeAffixComments(e);for(var n=e.split("\n"),r=0,i=n.length;i>r;r++){var o=n[r],a=o.split(/\s+/),l=a[0];if("PFX"==l||"SFX"==l){for(var s=a[1],c=a[2],u=parseInt(a[3],10),f=[],h=r+1,d=r+1+u;d>h;h++){var o=n[h],p=o.split(/\s+/),m=p[2],g=p[3].split("/"),v=g[0];"0"===v&&(v="");var y=this.parseRuleCodes(g[1]),x=p[4],b={};b.add=v,y.length>0&&(b.continuationClasses=y),"."!==x&&("SFX"===l?b.match=new RegExp(x+"$"):b.match=new RegExp("^"+x)),"0"!=m&&("SFX"===l?b.remove=new RegExp(m+"$"):b.remove=m),f.push(b)}t[s]={type:l,combineable:"Y"==c,entries:f},r+=u}else if("COMPOUNDRULE"===l){for(var u=parseInt(a[1],10),h=r+1,d=r+1+u;d>h;h++){var o=n[h],p=o.split(/\s+/);this.compoundRules.push(p[1])}r+=u}else if("REP"===l){var p=o.split(/\s+/);3===p.length&&this.replacementTable.push([p[1],p[2]])}else this.flags[l]=a[1]}return t},_removeAffixComments:function(e){return e=e.replace(/#.*$/gm,""),e=e.replace(/^\s\s*/m,"").replace(/\s\s*$/m,""),e=e.replace(/\n{2,}/g,"\n"),e=e.replace(/^\s\s*/,"").replace(/\s\s*$/,"")},_parseDIC:function(e){function t(e,t){e in r&&"object"==typeof r[e]||(r[e]=[]),r[e].push(t)}e=this._removeDicComments(e);for(var n=e.split("\n"),r={},i=1,o=n.length;o>i;i++){var a=n[i],l=a.split("/",2),s=l[0];if(l.length>1){var c=this.parseRuleCodes(l[1]);"NEEDAFFIX"in this.flags&&-1!=c.indexOf(this.flags.NEEDAFFIX)||t(s,c);for(var u=0,f=c.length;f>u;u++){var h=c[u],d=this.rules[h];if(d)for(var p=this._applyRule(s,d),m=0,g=p.length;g>m;m++){var v=p[m];if(t(v,[]),d.combineable)for(var y=u+1;f>y;y++){var x=c[y],b=this.rules[x];if(b&&b.combineable&&d.type!=b.type)for(var w=this._applyRule(v,b),k=0,S=w.length;S>k;k++){var C=w[k];t(C,[])}}}h in this.compoundRuleCodes&&this.compoundRuleCodes[h].push(s)}}else t(s.trim(),[])}return r},_removeDicComments:function(e){return e=e.replace(/^\t.*$/gm,"")},parseRuleCodes:function(e){if(!e)return[];if(!("FLAG"in this.flags))return e.split("");if("long"===this.flags.FLAG){for(var t=[],n=0,r=e.length;r>n;n+=2)t.push(e.substr(n,2));return t}return"num"===this.flags.FLAG?textCode.split(","):void 0},_applyRule:function(e,t){for(var n=t.entries,r=[],i=0,o=n.length;o>i;i++){var a=n[i];if(!a.match||e.match(a.match)){var l=e;if(a.remove&&(l=l.replace(a.remove,"")),"SFX"===t.type?l+=a.add:l=a.add+l,r.push(l),"continuationClasses"in a)for(var s=0,c=a.continuationClasses.length;c>s;s++){var u=this.rules[a.continuationClasses[s]];u&&(r=r.concat(this._applyRule(l,u)))}}}return r},check:function(e){var t=e.replace(/^\s\s*/,"").replace(/\s\s*$/,"");if(this.checkExact(t))return!0;if(t.toUpperCase()===t){var n=t[0]+t.substring(1).toLowerCase();if(this.hasFlag(n,"KEEPCASE"))return!1;if(this.checkExact(n))return!0}var r=t.toLowerCase();if(r!==t){if(this.hasFlag(r,"KEEPCASE"))return!1;if(this.checkExact(r))return!0}return!1},checkExact:function(e){var t=this.dictionaryTable[e];if("undefined"==typeof t){if("COMPOUNDMIN"in this.flags&&e.length>=this.flags.COMPOUNDMIN)for(var n=0,r=this.compoundRules.length;r>n;n++)if(e.match(this.compoundRules[n]))return!0;return!1}if("object"==typeof t){for(var n=0,r=t.length;r>n;n++)if(!this.hasFlag(e,"ONLYINCOMPOUND",t[n]))return!0;return!1}},hasFlag:function(e,t,n){if(t in this.flags){if("undefined"==typeof n)var n=Array.prototype.concat.apply([],this.dictionaryTable[e]);if(n&&-1!==n.indexOf(this.flags[t]))return!0}return!1},alphabet:"",suggest:function(e,t){function n(e){for(var t=[],n=0,r=e.length;r>n;n++){for(var 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0!=t.styleSelectedText?t.styleSelectedText:!0}),t.forceSync===!0){var c=this.codemirror;c.on("change",function(){c.save()})}this.gui={},t.toolbar!==!1&&(this.gui.toolbar=this.createToolbar()),t.status!==!1&&(this.gui.statusbar=this.createStatusbar()),void 0!=t.autosave&&t.autosave.enabled===!0&&this.autosave(),this.gui.sideBySide=this.createSideBySide(),this._rendered=this.element;var u=this.codemirror;setTimeout(function(){u.refresh()}.bind(u),0)}},B.prototype.autosave=function(){if(_()){var e=this;if(void 0==this.options.autosave.uniqueId||""==this.options.autosave.uniqueId)return void console.log("SimpleMDE: You must set a uniqueId to use the autosave feature");null!=e.element.form&&void 0!=e.element.form&&e.element.form.addEventListener("submit",function(){localStorage.removeItem("smde_"+e.options.autosave.uniqueId)}),this.options.autosave.loaded!==!0&&("string"==typeof localStorage.getItem("smde_"+this.options.autosave.uniqueId)&&""!=localStorage.getItem("smde_"+this.options.autosave.uniqueId)&&(this.codemirror.setValue(localStorage.getItem("smde_"+this.options.autosave.uniqueId)),this.options.autosave.foundSavedValue=!0),this.options.autosave.loaded=!0),localStorage.setItem("smde_"+this.options.autosave.uniqueId,e.value());var t=document.getElementById("autosaved");if(null!=t&&void 0!=t&&""!=t){var n=new Date,r=n.getHours(),i=n.getMinutes(),o="am",a=r;a>=12&&(a=r-12,o="pm"),0==a&&(a=12),i=10>i?"0"+i:i,t.innerHTML="Autosaved: "+a+":"+i+" "+o}this.autosaveTimeoutId=setTimeout(function(){e.autosave()},this.options.autosave.delay||1e4)}else console.log("SimpleMDE: localStorage not available, cannot autosave")},B.prototype.clearAutosavedValue=function(){if(_()){if(void 0==this.options.autosave||void 0==this.options.autosave.uniqueId||""==this.options.autosave.uniqueId)return void console.log("SimpleMDE: You must set a uniqueId to clear the autosave value");localStorage.removeItem("smde_"+this.options.autosave.uniqueId)}else console.log("SimpleMDE: localStorage not available, cannot autosave")},B.prototype.createSideBySide=function(){var e=this.codemirror,t=e.getWrapperElement(),n=t.nextSibling;n&&/editor-preview-side/.test(n.className)||(n=document.createElement("div"),n.className="editor-preview-side",t.parentNode.insertBefore(n,t.nextSibling));var r=!1,i=!1;return e.on("scroll",function(e){if(r)return void(r=!1);i=!0;var t=e.getScrollInfo().height-e.getScrollInfo().clientHeight,o=parseFloat(e.getScrollInfo().top)/t,a=(n.scrollHeight-n.clientHeight)*o;n.scrollTop=a}),n.onscroll=function(){if(i)return void(i=!1);r=!0;var t=n.scrollHeight-n.clientHeight,o=parseFloat(n.scrollTop)/t,a=(e.getScrollInfo().height-e.getScrollInfo().clientHeight)*o;e.scrollTo(0,a)},n},B.prototype.createToolbar=function(e){if(e=e||this.options.toolbar,e&&0!==e.length){var t;for(t=0;t<e.length;t++)void 0!=K[e[t]]&&(e[t]=K[e[t]]);var n=document.createElement("div");n.className="editor-toolbar";var r=this,a={};for(r.toolbar=e,t=0;t<e.length;t++)if(("guide"!=e[t].name||r.options.toolbarGuideIcon!==!1)&&!(r.options.hideIcons&&-1!=r.options.hideIcons.indexOf(e[t].name)||("fullscreen"==e[t].name||"side-by-side"==e[t].name)&&$())){if("|"===e[t]){for(var s=!1,c=t+1;c<e.length;c++)"|"===e[c]||r.options.hideIcons&&-1!=r.options.hideIcons.indexOf(e[c].name)||(s=!0);if(!s)continue}!function(e){var t;t="|"===e?o():i(e,r.options.toolbarTips,r.options.shortcuts),e.action&&("function"==typeof e.action?t.onclick=function(t){t.preventDefault(),e.action(r)}:"string"==typeof e.action&&(t.href=e.action,t.target="_blank")),a[e.name||e]=t,n.appendChild(t)}(e[t])}r.toolbarElements=a;var u=this.codemirror;u.on("cursorActivity",function(){var e=l(u);for(var t in a)!function(t){var n=a[t];e[t]?n.className+=" active":"fullscreen"!=t&&"side-by-side"!=t&&(n.className=n.className.replace(/\s*active\s*/g,""))}(t)});var f=u.getWrapperElement();return f.parentNode.insertBefore(n,f),n}},B.prototype.createStatusbar=function(e){e=e||this.options.status;var t=this.options,n=this.codemirror;if(e&&0!==e.length){var r,i,o,a=[];for(r=0;r<e.length;r++)if(i=void 0,o=void 0,"object"==typeof e[r])a.push({className:e[r].className,defaultValue:e[r].defaultValue,onUpdate:e[r].onUpdate});else{var l=e[r];"words"===l?(o=function(e){e.innerHTML=W(n.getValue())},i=function(e){e.innerHTML=W(n.getValue())}):"lines"===l?(o=function(e){e.innerHTML=n.lineCount()},i=function(e){e.innerHTML=n.lineCount()}):"cursor"===l?(o=function(e){e.innerHTML="0:0"},i=function(e){var t=n.getCursor();e.innerHTML=t.line+":"+t.ch}):"autosave"===l&&(o=function(e){void 0!=t.autosave&&t.autosave.enabled===!0&&e.setAttribute("id","autosaved")}),a.push({className:l,defaultValue:o,onUpdate:i})}var s=document.createElement("div");for(s.className="editor-statusbar",r=0;r<a.length;r++){var c=a[r],u=document.createElement("span");u.className=c.className,"function"==typeof c.defaultValue&&c.defaultValue(u),"function"==typeof c.onUpdate&&this.codemirror.on("update",function(e,t){return function(){t.onUpdate(e)}}(u,c)),s.appendChild(u)}var f=this.codemirror.getWrapperElement();return f.parentNode.insertBefore(s,f.nextSibling),s}},B.prototype.value=function(e){return void 0===e?this.codemirror.getValue():(this.codemirror.getDoc().setValue(e),this)},B.toggleBold=c,B.toggleItalic=u,B.toggleStrikethrough=f,B.toggleBlockquote=d,B.toggleHeadingSmaller=p,B.toggleHeadingBigger=m,B.toggleHeading1=g,B.toggleHeading2=v,B.toggleHeading3=y,B.toggleCodeBlock=h,B.toggleUnorderedList=x,B.toggleOrderedList=b,B.cleanBlock=w,B.drawLink=k,B.drawImage=S,B.drawTable=C,B.drawHorizontalRule=L,B.undo=T,B.redo=M,B.togglePreview=A,B.toggleSideBySide=N,B.toggleFullScreen=s,B.prototype.toggleBold=function(){c(this)},B.prototype.toggleItalic=function(){u(this)},B.prototype.toggleStrikethrough=function(){f(this)},B.prototype.toggleBlockquote=function(){d(this)},B.prototype.toggleHeadingSmaller=function(){p(this)},B.prototype.toggleHeadingBigger=function(){m(this)},B.prototype.toggleHeading1=function(){g(this)},B.prototype.toggleHeading2=function(){v(this)},B.prototype.toggleHeading3=function(){y(this)},B.prototype.toggleCodeBlock=function(){h(this)},B.prototype.toggleUnorderedList=function(){x(this)},B.prototype.toggleOrderedList=function(){b(this)},B.prototype.cleanBlock=function(){w(this)},B.prototype.drawLink=function(){k(this)},B.prototype.drawImage=function(){S(this)},B.prototype.drawTable=function(){C(this)},B.prototype.drawHorizontalRule=function(){L(this)},B.prototype.undo=function(){T(this)},B.prototype.redo=function(){M(this)},B.prototype.togglePreview=function(){A(this)},B.prototype.toggleSideBySide=function(){N(this)},B.prototype.toggleFullScreen=function(){s(this)},B.prototype.isPreviewActive=function(){var e=this.codemirror,t=e.getWrapperElement(),n=t.lastChild;return/editor-preview-active/.test(n.className)},B.prototype.isSideBySideActive=function(){var e=this.codemirror,t=e.getWrapperElement(),n=t.nextSibling;return/editor-preview-active-side/.test(n.className)},B.prototype.isFullscreenActive=function(){var e=this.codemirror;return e.getOption("fullScreen")},B.prototype.getState=function(){var e=this.codemirror;return l(e)},B.prototype.toTextArea=function(){var e=this.codemirror,t=e.getWrapperElement();t.parentNode&&(this.gui.toolbar&&t.parentNode.removeChild(this.gui.toolbar),this.gui.statusbar&&t.parentNode.removeChild(this.gui.statusbar),this.gui.sideBySide&&t.parentNode.removeChild(this.gui.sideBySide)),e.toTextArea(),this.autosaveTimeoutId&&(clearTimeout(this.autosaveTimeoutId),this.autosaveTimeoutId=void 0,this.clearAutosavedValue())},t.exports=B},{"./codemirror/tablist":19,codemirror:10,"codemirror-spell-checker":4,"codemirror/addon/display/fullscreen.js":5,"codemirror/addon/display/placeholder.js":6,"codemirror/addon/edit/continuelist.js":7,"codemirror/addon/mode/overlay.js":8,"codemirror/addon/selection/mark-selection.js":9,"codemirror/mode/gfm/gfm.js":11,"codemirror/mode/markdown/markdown.js":12,"codemirror/mode/xml/xml.js":14,marked:17}]},{},[20])(20)});
diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
index fc37711..ed57024 100644
--- a/vendor/composer/autoload_namespaces.php
+++ b/vendor/composer/autoload_namespaces.php
@@ -8,4 +8,5 @@ $baseDir = dirname($vendorDir);
 return array(
     'Twig_' => array($vendorDir . '/twig/twig/lib'),
     'Prophecy\\' => array($vendorDir . '/phpspec/prophecy/src'),
+    'Michelf' => array($vendorDir . '/michelf/php-markdown'),
 );
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index cc9ad26..a7c7e76 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -99,6 +99,13 @@ class ComposerStaticInitb36dd9ca71acc5e09c36145e94adede4
                 0 => __DIR__ . '/..' . '/phpspec/prophecy/src',
             ),
         ),
+        'M' => 
+        array (
+            'Michelf' => 
+            array (
+                0 => __DIR__ . '/..' . '/michelf/php-markdown',
+            ),
+        ),
     );
 
     public static $classMap = array (
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 4546e6d..43c51a9 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -1743,5 +1743,58 @@
             "testing",
             "xunit"
         ]
+    },
+    {
+        "name": "michelf/php-markdown",
+        "version": "1.7.0",
+        "version_normalized": "1.7.0.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/michelf/php-markdown.git",
+            "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/michelf/php-markdown/zipball/1f51cc520948f66cd2af8cbc45a5ee175e774220",
+            "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220",
+            "shasum": ""
+        },
+        "require": {
+            "php": ">=5.3.0"
+        },
+        "time": "2016-10-29T18:58:20+00:00",
+        "type": "library",
+        "extra": {
+            "branch-alias": {
+                "dev-lib": "1.4.x-dev"
+            }
+        },
+        "installation-source": "dist",
+        "autoload": {
+            "psr-0": {
+                "Michelf": ""
+            }
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "BSD-3-Clause"
+        ],
+        "authors": [
+            {
+                "name": "Michel Fortin",
+                "email": "michel.fortin@michelf.ca",
+                "homepage": "https://michelf.ca/",
+                "role": "Developer"
+            },
+            {
+                "name": "John Gruber",
+                "homepage": "https://daringfireball.net/"
+            }
+        ],
+        "description": "PHP Markdown",
+        "homepage": "https://michelf.ca/projects/php-markdown/",
+        "keywords": [
+            "markdown"
+        ]
     }
 ]
diff --git a/vendor/michelf/php-markdown/License.md b/vendor/michelf/php-markdown/License.md
new file mode 100644
index 0000000..c16197b
--- /dev/null
+++ b/vendor/michelf/php-markdown/License.md
@@ -0,0 +1,36 @@
+PHP Markdown Lib  
+Copyright (c) 2004-2016 Michel Fortin  
+<https://michelf.ca/>  
+All rights reserved.
+
+Based on Markdown  
+Copyright (c) 2003-2006 John Gruber   
+<https://daringfireball.net/>   
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+* Neither the name "Markdown" nor the names of its contributors may
+  be used to endorse or promote products derived from this software
+  without specific prior written permission.
+
+This software is provided by the copyright holders and contributors "as
+is" and any express or implied warranties, including, but not limited
+to, the implied warranties of merchantability and fitness for a
+particular purpose are disclaimed. In no event shall the copyright owner
+or contributors be liable for any direct, indirect, incidental, special,
+exemplary, or consequential damages (including, but not limited to,
+procurement of substitute goods or services; loss of use, data, or
+profits; or business interruption) however caused and on any theory of
+liability, whether in contract, strict liability, or tort (including
+negligence or otherwise) arising in any way out of the use of this
+software, even if advised of the possibility of such damage.
diff --git a/vendor/michelf/php-markdown/Michelf/Markdown.inc.php b/vendor/michelf/php-markdown/Michelf/Markdown.inc.php
new file mode 100644
index 0000000..e2bd380
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/Markdown.inc.php
@@ -0,0 +1,10 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the Markdown parser.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
+require_once dirname(__FILE__) . '/Markdown.php';
diff --git a/vendor/michelf/php-markdown/Michelf/Markdown.php b/vendor/michelf/php-markdown/Michelf/Markdown.php
new file mode 100644
index 0000000..c3eaf44
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/Markdown.php
@@ -0,0 +1,1896 @@
+<?php
+/**
+ * Markdown  -  A text-to-HTML conversion tool for web writers
+ *
+ * @package   php-markdown
+ * @author    Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Parser Class
+ */
+class Markdown implements MarkdownInterface {
+	/**
+	 * Define the package version
+	 * @var string
+	 */
+	const MARKDOWNLIB_VERSION = "1.7.0";
+
+	/**
+	 * Simple function interface - Initialize the parser and return the result
+	 * of its transform method. This will work fine for derived classes too.
+	 *
+	 * @api
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public static function defaultTransform($text) {
+		// Take parser class on which this function was called.
+		$parser_class = \get_called_class();
+
+		// Try to take parser from the static parser list
+		static $parser_list;
+		$parser =& $parser_list[$parser_class];
+
+		// Create the parser it not already set
+		if (!$parser) {
+			$parser = new $parser_class;
+		}
+
+		// Transform text using parser.
+		return $parser->transform($text);
+	}
+
+	/**
+	 * Configuration variables
+	 */
+
+	/**
+	 * Change to ">" for HTML output.
+	 * @var string
+	 */
+	public $empty_element_suffix = " />";
+
+	/**
+	 * The width of indentation of the output markup
+	 * @var int
+	 */
+	public $tab_width = 4;
+	
+	/**
+	 * Change to `true` to disallow markup or entities.
+	 * @var boolean
+	 */
+	public $no_markup   = false;
+	public $no_entities = false;
+	
+
+	/**
+	 * Change to `true` to enable line breaks on \n without two trailling spaces
+	 * @var boolean
+	 */
+	public $hard_wrap = false;
+
+	/**
+	 * Predefined URLs and titles for reference links and images.
+	 * @var array
+	 */
+	public $predef_urls   = array();
+	public $predef_titles = array();
+
+	/**
+	 * Optional filter function for URLs
+	 * @var callable
+	 */
+	public $url_filter_func = null;
+
+	/**
+	 * Optional header id="" generation callback function.
+	 * @var callable
+	 */
+	public $header_id_func = null;
+	
+	/**
+	 * Optional function for converting code block content to HTML
+	 * @var callable
+	 */
+	public $code_block_content_func = null;
+
+	/**
+	 * Optional function for converting code span content to HTML.
+	 * @var callable
+	 */
+	public $code_span_content_func = null;
+
+	/**
+	 * Class attribute to toggle "enhanced ordered list" behaviour
+	 * setting this to true will allow ordered lists to start from the index
+	 * number that is defined first.
+	 * 
+	 * For example:
+	 * 2. List item two
+	 * 3. List item three
+	 *
+	 * Becomes:
+	 * <ol start="2">
+	 * <li>List item two</li>
+	 * <li>List item three</li>
+	 * </ol>
+	 *
+	 * @var bool
+	 */
+	public $enhanced_ordered_list = false;
+
+	/**
+	 * Parser implementation
+	 */
+
+	/**
+	 * Regex to match balanced [brackets].
+	 * Needed to insert a maximum bracked depth while converting to PHP.
+	 * @var int
+	 */
+	protected $nested_brackets_depth = 6;
+	protected $nested_brackets_re;
+
+	protected $nested_url_parenthesis_depth = 4;
+	protected $nested_url_parenthesis_re;
+
+	/**
+	 * Table of hash values for escaped characters:
+	 * @var string
+	 */
+	protected $escape_chars = '\`*_{}[]()>#+-.!';
+	protected $escape_chars_re;
+
+	/**
+	 * Constructor function. Initialize appropriate member variables.
+	 * @return void
+	 */
+	public function __construct() {
+		$this->_initDetab();
+		$this->prepareItalicsAndBold();
+	
+		$this->nested_brackets_re = 
+			str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
+			str_repeat('\])*', $this->nested_brackets_depth);
+	
+		$this->nested_url_parenthesis_re = 
+			str_repeat('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth).
+			str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
+		
+		$this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
+		
+		// Sort document, block, and span gamut in ascendent priority order.
+		asort($this->document_gamut);
+		asort($this->block_gamut);
+		asort($this->span_gamut);
+	}
+
+
+	/**
+	 * Internal hashes used during transformation.
+	 * @var array
+	 */
+	protected $urls        = array();
+	protected $titles      = array();
+	protected $html_hashes = array();
+	
+	/**
+	 * Status flag to avoid invalid nesting.
+	 * @var boolean
+	 */
+	protected $in_anchor = false;
+	
+	/**
+	 * Called before the transformation process starts to setup parser states.
+	 * @return void
+	 */
+	protected function setup() {
+		// Clear global hashes.
+		$this->urls        = $this->predef_urls;
+		$this->titles      = $this->predef_titles;
+		$this->html_hashes = array();
+		$this->in_anchor   = false;
+	}
+	
+	/**
+	 * Called after the transformation process to clear any variable which may
+	 * be taking up memory unnecessarly.
+	 * @return void
+	 */
+	protected function teardown() {
+		$this->urls        = array();
+		$this->titles      = array();
+		$this->html_hashes = array();
+	}
+
+	/**
+	 * Main function. Performs some preprocessing on the input text and pass
+	 * it through the document gamut.
+	 *
+	 * @api
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public function transform($text) {
+		$this->setup();
+	
+		# Remove UTF-8 BOM and marker character in input, if present.
+		$text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);
+
+		# Standardize line endings:
+		#   DOS to Unix and Mac to Unix
+		$text = preg_replace('{\r\n?}', "\n", $text);
+
+		# Make sure $text ends with a couple of newlines:
+		$text .= "\n\n";
+
+		# Convert all tabs to spaces.
+		$text = $this->detab($text);
+
+		# Turn block-level HTML blocks into hash entries
+		$text = $this->hashHTMLBlocks($text);
+
+		# Strip any lines consisting only of spaces and tabs.
+		# This makes subsequent regexen easier to write, because we can
+		# match consecutive blank lines with /\n+/ instead of something
+		# contorted like /[ ]*\n+/ .
+		$text = preg_replace('/^[ ]+$/m', '', $text);
+
+		# Run document gamut methods.
+		foreach ($this->document_gamut as $method => $priority) {
+			$text = $this->$method($text);
+		}
+		
+		$this->teardown();
+
+		return $text . "\n";
+	}
+
+	/**
+	 * Define the document gamut
+	 * @var array
+	 */
+	protected $document_gamut = array(
+		// Strip link definitions, store in hashes.
+		"stripLinkDefinitions" => 20,
+		"runBasicBlockGamut"   => 30,
+	);
+
+	/**
+	 * Strips link definitions from text, stores the URLs and titles in
+	 * hash references
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function stripLinkDefinitions($text) {
+	
+		$less_than_tab = $this->tab_width - 1;
+
+		// Link defs are in the form: ^[id]: url "optional title"
+		$text = preg_replace_callback('{
+							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
+							  [ ]*
+							  \n?				# maybe *one* newline
+							  [ ]*
+							(?:
+							  <(.+?)>			# url = $2
+							|
+							  (\S+?)			# url = $3
+							)
+							  [ ]*
+							  \n?				# maybe one newline
+							  [ ]*
+							(?:
+								(?<=\s)			# lookbehind for whitespace
+								["(]
+								(.*?)			# title = $4
+								[")]
+								[ ]*
+							)?	# title is optional
+							(?:\n+|\Z)
+			}xm',
+			array($this, '_stripLinkDefinitions_callback'),
+			$text
+		);
+		return $text;
+	}
+
+	/**
+	 * The callback to strip link definitions
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _stripLinkDefinitions_callback($matches) {
+		$link_id = strtolower($matches[1]);
+		$url = $matches[2] == '' ? $matches[3] : $matches[2];
+		$this->urls[$link_id] = $url;
+		$this->titles[$link_id] =& $matches[4];
+		return ''; // String that will replace the block
+	}
+
+	/**
+	 * Hashify HTML blocks
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function hashHTMLBlocks($text) {
+		if ($this->no_markup) {
+			return $text;
+		}
+
+		$less_than_tab = $this->tab_width - 1;
+
+		/**
+		 * Hashify HTML blocks:
+		 *
+		 * We only want to do this for block-level HTML tags, such as headers,
+		 * lists, and tables. That's because we still want to wrap <p>s around
+		 * "paragraphs" that are wrapped in non-block-level tags, such as
+		 * anchors, phrase emphasis, and spans. The list of tags we're looking
+		 * for is hard-coded:
+		 *
+		 * *  List "a" is made of tags which can be both inline or block-level.
+		 *    These will be treated block-level when the start tag is alone on 
+		 *    its line, otherwise they're not matched here and will be taken as 
+		 *    inline later.
+		 * *  List "b" is made of tags which are always block-level;
+		 */
+		$block_tags_a_re = 'ins|del';
+		$block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|'.
+						   'script|noscript|style|form|fieldset|iframe|math|svg|'.
+						   'article|section|nav|aside|hgroup|header|footer|'.
+						   'figure';
+
+		// Regular expression for the content of a block tag.
+		$nested_tags_level = 4;
+		$attr = '
+			(?>				# optional tag attributes
+			  \s			# starts with whitespace
+			  (?>
+				[^>"/]+		# text outside quotes
+			  |
+				/+(?!>)		# slash not followed by ">"
+			  |
+				"[^"]*"		# text inside double quotes (tolerate ">")
+			  |
+				\'[^\']*\'	# text inside single quotes (tolerate ">")
+			  )*
+			)?	
+			';
+		$content =
+			str_repeat('
+				(?>
+				  [^<]+			# content without tag
+				|
+				  <\2			# nested opening tag
+					'.$attr.'	# attributes
+					(?>
+					  />
+					|
+					  >', $nested_tags_level).	// end of opening tag
+					  '.*?'.					// last level nested tag content
+			str_repeat('
+					  </\2\s*>	# closing nested tag
+					)
+				  |				
+					<(?!/\2\s*>	# other tags with a different name
+				  )
+				)*',
+				$nested_tags_level);
+		$content2 = str_replace('\2', '\3', $content);
+
+		/**
+		 * First, look for nested blocks, e.g.:
+		 * 	<div>
+		 * 		<div>
+		 * 		tags for inner block must be indented.
+		 * 		</div>
+		 * 	</div>
+		 *
+		 * The outermost tags must start at the left margin for this to match,
+		 * and the inner nested divs must be indented.
+		 * We need to do this before the next, more liberal match, because the
+		 * next match will start at the first `<div>` and stop at the
+		 * first `</div>`.
+		 */
+		$text = preg_replace_callback('{(?>
+			(?>
+				(?<=\n)			# Starting on its own line
+				|				# or
+				\A\n?			# the at beginning of the doc
+			)
+			(						# save in $1
+
+			  # Match from `\n<tag>` to `</tag>\n`, handling nested tags 
+			  # in between.
+					
+						[ ]{0,'.$less_than_tab.'}
+						<('.$block_tags_b_re.')# start tag = $2
+						'.$attr.'>			# attributes followed by > and \n
+						'.$content.'		# content, support nesting
+						</\2>				# the matching end tag
+						[ ]*				# trailing spaces/tabs
+						(?=\n+|\Z)	# followed by a newline or end of document
+
+			| # Special version for tags of group a.
+
+						[ ]{0,'.$less_than_tab.'}
+						<('.$block_tags_a_re.')# start tag = $3
+						'.$attr.'>[ ]*\n	# attributes followed by >
+						'.$content2.'		# content, support nesting
+						</\3>				# the matching end tag
+						[ ]*				# trailing spaces/tabs
+						(?=\n+|\Z)	# followed by a newline or end of document
+					
+			| # Special case just for <hr />. It was easier to make a special 
+			  # case than to make the other regex more complicated.
+			
+						[ ]{0,'.$less_than_tab.'}
+						<(hr)				# start tag = $2
+						'.$attr.'			# attributes
+						/?>					# the matching end tag
+						[ ]*
+						(?=\n{2,}|\Z)		# followed by a blank line or end of document
+			
+			| # Special case for standalone HTML comments:
+			
+					[ ]{0,'.$less_than_tab.'}
+					(?s:
+						<!-- .*? -->
+					)
+					[ ]*
+					(?=\n{2,}|\Z)		# followed by a blank line or end of document
+			
+			| # PHP and ASP-style processor instructions (<? and <%)
+			
+					[ ]{0,'.$less_than_tab.'}
+					(?s:
+						<([?%])			# $2
+						.*?
+						\2>
+					)
+					[ ]*
+					(?=\n{2,}|\Z)		# followed by a blank line or end of document
+					
+			)
+			)}Sxmi',
+			array($this, '_hashHTMLBlocks_callback'),
+			$text
+		);
+
+		return $text;
+	}
+
+	/**
+	 * The callback for hashing HTML blocks
+	 * @param  string $matches
+	 * @return string
+	 */
+	protected function _hashHTMLBlocks_callback($matches) {
+		$text = $matches[1];
+		$key  = $this->hashBlock($text);
+		return "\n\n$key\n\n";
+	}
+	
+	/**
+	 * Called whenever a tag must be hashed when a function insert an atomic 
+	 * element in the text stream. Passing $text to through this function gives
+	 * a unique text-token which will be reverted back when calling unhash.
+	 *
+	 * The $boundary argument specify what character should be used to surround
+	 * the token. By convension, "B" is used for block elements that needs not
+	 * to be wrapped into paragraph tags at the end, ":" is used for elements
+	 * that are word separators and "X" is used in the general case.
+	 *
+	 * @param  string $text
+	 * @param  string $boundary
+	 * @return string
+	 */
+	protected function hashPart($text, $boundary = 'X') {
+		// Swap back any tag hash found in $text so we do not have to `unhash`
+		// multiple times at the end.
+		$text = $this->unhash($text);
+		
+		// Then hash the block.
+		static $i = 0;
+		$key = "$boundary\x1A" . ++$i . $boundary;
+		$this->html_hashes[$key] = $text;
+		return $key; // String that will replace the tag.
+	}
+
+	/**
+	 * Shortcut function for hashPart with block-level boundaries.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function hashBlock($text) {
+		return $this->hashPart($text, 'B');
+	}
+
+	/**
+	 * Define the block gamut - these are all the transformations that form
+	 * block-level tags like paragraphs, headers, and list items.
+	 * @var array
+	 */
+	protected $block_gamut = array(
+		"doHeaders"         => 10,
+		"doHorizontalRules" => 20,
+		"doLists"           => 40,
+		"doCodeBlocks"      => 50,
+		"doBlockQuotes"     => 60,
+	);
+
+	/**
+	 * Run block gamut tranformations.
+	 *
+	 * We need to escape raw HTML in Markdown source before doing anything 
+	 * else. This need to be done for each block, and not only at the 
+	 * begining in the Markdown function since hashed blocks can be part of
+	 * list items and could have been indented. Indented blocks would have 
+	 * been seen as a code block in a previous pass of hashHTMLBlocks.
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function runBlockGamut($text) {
+		$text = $this->hashHTMLBlocks($text);
+		return $this->runBasicBlockGamut($text);
+	}
+
+	/**
+	 * Run block gamut tranformations, without hashing HTML blocks. This is 
+	 * useful when HTML blocks are known to be already hashed, like in the first
+	 * whole-document pass.
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function runBasicBlockGamut($text) {
+	
+		foreach ($this->block_gamut as $method => $priority) {
+			$text = $this->$method($text);
+		}
+		
+		// Finally form paragraph and restore hashed blocks.
+		$text = $this->formParagraphs($text);
+
+		return $text;
+	}
+
+	/**
+	 * Convert horizontal rules
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doHorizontalRules($text) {
+		return preg_replace(
+			'{
+				^[ ]{0,3}	# Leading space
+				([-*_])		# $1: First marker
+				(?>			# Repeated marker group
+					[ ]{0,2}	# Zero, one, or two spaces.
+					\1			# Marker character
+				){2,}		# Group repeated at least twice
+				[ ]*		# Tailing spaces
+				$			# End of line.
+			}mx',
+			"\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
+			$text
+		);
+	}
+
+	/**
+	 * These are all the transformations that occur *within* block-level
+	 * tags like paragraphs, headers, and list items.
+	 * @var array
+	 */
+	protected $span_gamut = array(
+		// Process character escapes, code spans, and inline HTML
+		// in one shot.
+		"parseSpan"           => -30,
+		// Process anchor and image tags. Images must come first,
+		// because ![foo][f] looks like an anchor.
+		"doImages"            =>  10,
+		"doAnchors"           =>  20,
+		// Make links out of things like `<https://example.com/>`
+		// Must come after doAnchors, because you can use < and >
+		// delimiters in inline links like [this](<url>).
+		"doAutoLinks"         =>  30,
+		"encodeAmpsAndAngles" =>  40,
+		"doItalicsAndBold"    =>  50,
+		"doHardBreaks"        =>  60,
+	);
+
+	/**
+	 * Run span gamut transformations
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function runSpanGamut($text) {
+		foreach ($this->span_gamut as $method => $priority) {
+			$text = $this->$method($text);
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Do hard breaks
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doHardBreaks($text) {
+		if ($this->hard_wrap) {
+			return preg_replace_callback('/ *\n/', 
+				array($this, '_doHardBreaks_callback'), $text);
+		} else {
+			return preg_replace_callback('/ {2,}\n/', 
+				array($this, '_doHardBreaks_callback'), $text);
+		}
+	}
+
+	/**
+	 * Trigger part hashing for the hard break (callback method)
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doHardBreaks_callback($matches) {
+		return $this->hashPart("<br$this->empty_element_suffix\n");
+	}
+
+	/**
+	 * Turn Markdown link shortcuts into XHTML <a> tags.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doAnchors($text) {
+		if ($this->in_anchor) {
+			return $text;
+		}
+		$this->in_anchor = true;
+		
+		// First, handle reference-style links: [link text] [id]
+		$text = preg_replace_callback('{
+			(					# wrap whole match in $1
+			  \[
+				('.$this->nested_brackets_re.')	# link text = $2
+			  \]
+
+			  [ ]?				# one optional space
+			  (?:\n[ ]*)?		# one optional newline followed by spaces
+
+			  \[
+				(.*?)		# id = $3
+			  \]
+			)
+			}xs',
+			array($this, '_doAnchors_reference_callback'), $text);
+
+		// Next, inline-style links: [link text](url "optional title")
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  \[
+				('.$this->nested_brackets_re.')	# link text = $2
+			  \]
+			  \(			# literal paren
+				[ \n]*
+				(?:
+					<(.+?)>	# href = $3
+				|
+					('.$this->nested_url_parenthesis_re.')	# href = $4
+				)
+				[ \n]*
+				(			# $5
+				  ([\'"])	# quote char = $6
+				  (.*?)		# Title = $7
+				  \6		# matching quote
+				  [ \n]*	# ignore any spaces/tabs between closing quote and )
+				)?			# title is optional
+			  \)
+			)
+			}xs',
+			array($this, '_doAnchors_inline_callback'), $text);
+
+		// Last, handle reference-style shortcuts: [link text]
+		// These must come last in case you've also got [link text][1]
+		// or [link text](/foo)
+		$text = preg_replace_callback('{
+			(					# wrap whole match in $1
+			  \[
+				([^\[\]]+)		# link text = $2; can\'t contain [ or ]
+			  \]
+			)
+			}xs',
+			array($this, '_doAnchors_reference_callback'), $text);
+
+		$this->in_anchor = false;
+		return $text;
+	}
+
+	/**
+	 * Callback method to parse referenced anchors
+	 * @param  string $matches
+	 * @return string
+	 */
+	protected function _doAnchors_reference_callback($matches) {
+		$whole_match =  $matches[1];
+		$link_text   =  $matches[2];
+		$link_id     =& $matches[3];
+
+		if ($link_id == "") {
+			// for shortcut links like [this][] or [this].
+			$link_id = $link_text;
+		}
+		
+		// lower-case and turn embedded newlines into spaces
+		$link_id = strtolower($link_id);
+		$link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
+
+		if (isset($this->urls[$link_id])) {
+			$url = $this->urls[$link_id];
+			$url = $this->encodeURLAttribute($url);
+			
+			$result = "<a href=\"$url\"";
+			if ( isset( $this->titles[$link_id] ) ) {
+				$title = $this->titles[$link_id];
+				$title = $this->encodeAttribute($title);
+				$result .=  " title=\"$title\"";
+			}
+		
+			$link_text = $this->runSpanGamut($link_text);
+			$result .= ">$link_text</a>";
+			$result = $this->hashPart($result);
+		} else {
+			$result = $whole_match;
+		}
+		return $result;
+	}
+
+	/**
+	 * Callback method to parse inline anchors
+	 * @param  string $matches
+	 * @return string
+	 */
+	protected function _doAnchors_inline_callback($matches) {
+		$whole_match	=  $matches[1];
+		$link_text		=  $this->runSpanGamut($matches[2]);
+		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
+		$title			=& $matches[7];
+
+		// If the URL was of the form <s p a c e s> it got caught by the HTML
+		// tag parser and hashed. Need to reverse the process before using
+		// the URL.
+		$unhashed = $this->unhash($url);
+		if ($unhashed != $url)
+			$url = preg_replace('/^<(.*)>$/', '\1', $unhashed);
+
+		$url = $this->encodeURLAttribute($url);
+
+		$result = "<a href=\"$url\"";
+		if (isset($title)) {
+			$title = $this->encodeAttribute($title);
+			$result .=  " title=\"$title\"";
+		}
+		
+		$link_text = $this->runSpanGamut($link_text);
+		$result .= ">$link_text</a>";
+
+		return $this->hashPart($result);
+	}
+
+	/**
+	 * Turn Markdown image shortcuts into <img> tags.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doImages($text) {
+		// First, handle reference-style labeled images: ![alt text][id]
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  !\[
+				('.$this->nested_brackets_re.')		# alt text = $2
+			  \]
+
+			  [ ]?				# one optional space
+			  (?:\n[ ]*)?		# one optional newline followed by spaces
+
+			  \[
+				(.*?)		# id = $3
+			  \]
+
+			)
+			}xs', 
+			array($this, '_doImages_reference_callback'), $text);
+
+		// Next, handle inline images:  ![alt text](url "optional title")
+		// Don't forget: encode * and _
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  !\[
+				('.$this->nested_brackets_re.')		# alt text = $2
+			  \]
+			  \s?			# One optional whitespace character
+			  \(			# literal paren
+				[ \n]*
+				(?:
+					<(\S*)>	# src url = $3
+				|
+					('.$this->nested_url_parenthesis_re.')	# src url = $4
+				)
+				[ \n]*
+				(			# $5
+				  ([\'"])	# quote char = $6
+				  (.*?)		# title = $7
+				  \6		# matching quote
+				  [ \n]*
+				)?			# title is optional
+			  \)
+			)
+			}xs',
+			array($this, '_doImages_inline_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback to parse references image tags
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doImages_reference_callback($matches) {
+		$whole_match = $matches[1];
+		$alt_text    = $matches[2];
+		$link_id     = strtolower($matches[3]);
+
+		if ($link_id == "") {
+			$link_id = strtolower($alt_text); // for shortcut links like ![this][].
+		}
+
+		$alt_text = $this->encodeAttribute($alt_text);
+		if (isset($this->urls[$link_id])) {
+			$url = $this->encodeURLAttribute($this->urls[$link_id]);
+			$result = "<img src=\"$url\" alt=\"$alt_text\"";
+			if (isset($this->titles[$link_id])) {
+				$title = $this->titles[$link_id];
+				$title = $this->encodeAttribute($title);
+				$result .=  " title=\"$title\"";
+			}
+			$result .= $this->empty_element_suffix;
+			$result = $this->hashPart($result);
+		} else {
+			// If there's no such link ID, leave intact:
+			$result = $whole_match;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Callback to parse inline image tags
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doImages_inline_callback($matches) {
+		$whole_match	= $matches[1];
+		$alt_text		= $matches[2];
+		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
+		$title			=& $matches[7];
+
+		$alt_text = $this->encodeAttribute($alt_text);
+		$url = $this->encodeURLAttribute($url);
+		$result = "<img src=\"$url\" alt=\"$alt_text\"";
+		if (isset($title)) {
+			$title = $this->encodeAttribute($title);
+			$result .=  " title=\"$title\""; // $title already quoted
+		}
+		$result .= $this->empty_element_suffix;
+
+		return $this->hashPart($result);
+	}
+
+	/**
+	 * Parse Markdown heading elements to HTML
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doHeaders($text) {
+		/**
+		 * Setext-style headers:
+		 *	  Header 1
+		 *	  ========
+		 *  
+		 *	  Header 2
+		 *	  --------
+		 */
+		$text = preg_replace_callback('{ ^(.+?)[ ]*\n(=+|-+)[ ]*\n+ }mx',
+			array($this, '_doHeaders_callback_setext'), $text);
+
+		/**
+		 * atx-style headers:
+		 *   # Header 1
+		 *   ## Header 2
+		 *   ## Header 2 with closing hashes ##
+		 *   ...
+		 *   ###### Header 6
+		 */
+		$text = preg_replace_callback('{
+				^(\#{1,6})	# $1 = string of #\'s
+				[ ]*
+				(.+?)		# $2 = Header text
+				[ ]*
+				\#*			# optional closing #\'s (not counted)
+				\n+
+			}xm',
+			array($this, '_doHeaders_callback_atx'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Setext header parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doHeaders_callback_setext($matches) {
+		// Terrible hack to check we haven't found an empty list item.
+		if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1])) {
+			return $matches[0];
+		}
+		
+		$level = $matches[2]{0} == '=' ? 1 : 2;
+
+		// ID attribute generation
+		$idAtt = $this->_generateIdFromHeaderValue($matches[1]);
+
+		$block = "<h$level$idAtt>".$this->runSpanGamut($matches[1])."</h$level>";
+		return "\n" . $this->hashBlock($block) . "\n\n";
+	}
+
+	/**
+	 * ATX header parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doHeaders_callback_atx($matches) {
+		// ID attribute generation
+		$idAtt = $this->_generateIdFromHeaderValue($matches[2]);
+
+		$level = strlen($matches[1]);
+		$block = "<h$level$idAtt>".$this->runSpanGamut($matches[2])."</h$level>";
+		return "\n" . $this->hashBlock($block) . "\n\n";
+	}
+
+	/**
+	 * If a header_id_func property is set, we can use it to automatically
+	 * generate an id attribute.
+	 *
+	 * This method returns a string in the form id="foo", or an empty string
+	 * otherwise.
+	 * @param  string $headerValue
+	 * @return string
+	 */
+	protected function _generateIdFromHeaderValue($headerValue) {		
+		if (!is_callable($this->header_id_func)) {
+			return "";
+		}
+
+		$idValue = call_user_func($this->header_id_func, $headerValue);
+		if (!$idValue) {
+			return "";
+		}
+
+		return ' id="' . $this->encodeAttribute($idValue) . '"';
+	}
+
+	/**
+	 * Form HTML ordered (numbered) and unordered (bulleted) lists.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doLists($text) {
+		$less_than_tab = $this->tab_width - 1;
+
+		// Re-usable patterns to match list item bullets and number markers:
+		$marker_ul_re  = '[*+-]';
+		$marker_ol_re  = '\d+[\.]';
+
+		$markers_relist = array(
+			$marker_ul_re => $marker_ol_re,
+			$marker_ol_re => $marker_ul_re,
+			);
+
+		foreach ($markers_relist as $marker_re => $other_marker_re) {
+			// Re-usable pattern to match any entirel ul or ol list:
+			$whole_list_re = '
+				(								# $1 = whole list
+				  (								# $2
+					([ ]{0,'.$less_than_tab.'})	# $3 = number of spaces
+					('.$marker_re.')			# $4 = first list item marker
+					[ ]+
+				  )
+				  (?s:.+?)
+				  (								# $5
+					  \z
+					|
+					  \n{2,}
+					  (?=\S)
+					  (?!						# Negative lookahead for another list item marker
+						[ ]*
+						'.$marker_re.'[ ]+
+					  )
+					|
+					  (?=						# Lookahead for another kind of list
+					    \n
+						\3						# Must have the same indentation
+						'.$other_marker_re.'[ ]+
+					  )
+				  )
+				)
+			'; // mx
+			
+			// We use a different prefix before nested lists than top-level lists.
+			//See extended comment in _ProcessListItems().
+		
+			if ($this->list_level) {
+				$text = preg_replace_callback('{
+						^
+						'.$whole_list_re.'
+					}mx',
+					array($this, '_doLists_callback'), $text);
+			} else {
+				$text = preg_replace_callback('{
+						(?:(?<=\n)\n|\A\n?) # Must eat the newline
+						'.$whole_list_re.'
+					}mx',
+					array($this, '_doLists_callback'), $text);
+			}
+		}
+
+		return $text;
+	}
+
+	/**
+	 * List parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doLists_callback($matches) {
+		// Re-usable patterns to match list item bullets and number markers:
+		$marker_ul_re  = '[*+-]';
+		$marker_ol_re  = '\d+[\.]';
+		$marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
+		$marker_ol_start_re = '[0-9]+';
+
+		$list = $matches[1];
+		$list_type = preg_match("/$marker_ul_re/", $matches[4]) ? "ul" : "ol";
+
+		$marker_any_re = ( $list_type == "ul" ? $marker_ul_re : $marker_ol_re );
+
+		$list .= "\n";
+		$result = $this->processListItems($list, $marker_any_re);
+
+		$ol_start = 1;
+		if ($this->enhanced_ordered_list) {
+			// Get the start number for ordered list.
+			if ($list_type == 'ol') {
+				$ol_start_array = array();
+				$ol_start_check = preg_match("/$marker_ol_start_re/", $matches[4], $ol_start_array);
+				if ($ol_start_check){
+					$ol_start = $ol_start_array[0];
+				}
+			}
+		}
+
+		if ($ol_start > 1 && $list_type == 'ol'){
+			$result = $this->hashBlock("<$list_type start=\"$ol_start\">\n" . $result . "</$list_type>");
+		} else {
+			$result = $this->hashBlock("<$list_type>\n" . $result . "</$list_type>");
+		}
+		return "\n". $result ."\n\n";
+	}
+
+	/**
+	 * Nesting tracker for list levels
+	 * @var integer
+	 */
+	protected $list_level = 0;
+
+	/**
+	 * Process the contents of a single ordered or unordered list, splitting it
+	 * into individual list items.
+	 * @param  string $list_str
+	 * @param  string $marker_any_re
+	 * @return string
+	 */
+	protected function processListItems($list_str, $marker_any_re) {
+		/**
+		 * The $this->list_level global keeps track of when we're inside a list.
+		 * Each time we enter a list, we increment it; when we leave a list,
+		 * we decrement. If it's zero, we're not in a list anymore.
+		 *
+		 * We do this because when we're not inside a list, we want to treat
+		 * something like this:
+		 *
+		 *		I recommend upgrading to version
+		 *		8. Oops, now this line is treated
+		 *		as a sub-list.
+		 *
+		 * As a single paragraph, despite the fact that the second line starts
+		 * with a digit-period-space sequence.
+		 *
+		 * Whereas when we're inside a list (or sub-list), that line will be
+		 * treated as the start of a sub-list. What a kludge, huh? This is
+		 * an aspect of Markdown's syntax that's hard to parse perfectly
+		 * without resorting to mind-reading. Perhaps the solution is to
+		 * change the syntax rules such that sub-lists must start with a
+		 * starting cardinal number; e.g. "1." or "a.".
+		 */		
+		$this->list_level++;
+
+		// Trim trailing blank lines:
+		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
+
+		$list_str = preg_replace_callback('{
+			(\n)?							# leading line = $1
+			(^[ ]*)							# leading whitespace = $2
+			('.$marker_any_re.'				# list marker and space = $3
+				(?:[ ]+|(?=\n))	# space only required if item is not empty
+			)
+			((?s:.*?))						# list item text   = $4
+			(?:(\n+(?=\n))|\n)				# tailing blank line = $5
+			(?= \n* (\z | \2 ('.$marker_any_re.') (?:[ ]+|(?=\n))))
+			}xm',
+			array($this, '_processListItems_callback'), $list_str);
+
+		$this->list_level--;
+		return $list_str;
+	}
+
+	/**
+	 * List item parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _processListItems_callback($matches) {
+		$item = $matches[4];
+		$leading_line =& $matches[1];
+		$leading_space =& $matches[2];
+		$marker_space = $matches[3];
+		$tailing_blank_line =& $matches[5];
+
+		if ($leading_line || $tailing_blank_line || 
+			preg_match('/\n{2,}/', $item))
+		{
+			// Replace marker with the appropriate whitespace indentation
+			$item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
+			$item = $this->runBlockGamut($this->outdent($item)."\n");
+		} else {
+			// Recursion for sub-lists:
+			$item = $this->doLists($this->outdent($item));
+			$item = $this->formParagraphs($item, false);
+		}
+
+		return "<li>" . $item . "</li>\n";
+	}
+
+	/**
+	 * Process Markdown `<pre><code>` blocks.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doCodeBlocks($text) {
+		$text = preg_replace_callback('{
+				(?:\n\n|\A\n?)
+				(	            # $1 = the code block -- one or more lines, starting with a space/tab
+				  (?>
+					[ ]{'.$this->tab_width.'}  # Lines must start with a tab or a tab-width of spaces
+					.*\n+
+				  )+
+				)
+				((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
+			}xm',
+			array($this, '_doCodeBlocks_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Code block parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doCodeBlocks_callback($matches) {
+		$codeblock = $matches[1];
+
+		$codeblock = $this->outdent($codeblock);
+		if ($this->code_block_content_func) {
+			$codeblock = call_user_func($this->code_block_content_func, $codeblock, "");
+		} else {
+			$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+		}
+
+		# trim leading newlines and trailing newlines
+		$codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
+
+		$codeblock = "<pre><code>$codeblock\n</code></pre>";
+		return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
+	}
+
+	/**
+	 * Create a code span markup for $code. Called from handleSpanToken.
+	 * @param  string $code
+	 * @return string
+	 */
+	protected function makeCodeSpan($code) {
+		if ($this->code_span_content_func) {
+			$code = call_user_func($this->code_span_content_func, $code);
+		} else {
+			$code = htmlspecialchars(trim($code), ENT_NOQUOTES);
+		}
+		return $this->hashPart("<code>$code</code>");
+	}
+
+	/**
+	 * Define the emphasis operators with their regex matches
+	 * @var array
+	 */
+	protected $em_relist = array(
+		''  => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?![\.,:;]?\s)',
+		'*' => '(?<![\s*])\*(?!\*)',
+		'_' => '(?<![\s_])_(?!_)',
+	);
+
+	/**
+	 * Define the strong operators with their regex matches
+	 * @var array
+	 */
+	protected $strong_relist = array(
+		''   => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?![\.,:;]?\s)',
+		'**' => '(?<![\s*])\*\*(?!\*)',
+		'__' => '(?<![\s_])__(?!_)',
+	);
+
+	/**
+	 * Define the emphasis + strong operators with their regex matches
+	 * @var array
+	 */
+	protected $em_strong_relist = array(
+		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?![\.,:;]?\s)',
+		'***' => '(?<![\s*])\*\*\*(?!\*)',
+		'___' => '(?<![\s_])___(?!_)',
+	);
+
+	/**
+	 * Container for prepared regular expressions
+	 * @var array
+	 */
+	protected $em_strong_prepared_relist;
+	
+	/**
+	 * Prepare regular expressions for searching emphasis tokens in any
+	 * context.
+	 * @return void
+	 */
+	protected function prepareItalicsAndBold() {
+		foreach ($this->em_relist as $em => $em_re) {
+			foreach ($this->strong_relist as $strong => $strong_re) {
+				// Construct list of allowed token expressions.
+				$token_relist = array();
+				if (isset($this->em_strong_relist["$em$strong"])) {
+					$token_relist[] = $this->em_strong_relist["$em$strong"];
+				}
+				$token_relist[] = $em_re;
+				$token_relist[] = $strong_re;
+				
+				// Construct master expression from list.
+				$token_re = '{(' . implode('|', $token_relist) . ')}';
+				$this->em_strong_prepared_relist["$em$strong"] = $token_re;
+			}
+		}
+	}
+
+	/**
+	 * Convert Markdown italics (emphasis) and bold (strong) to HTML
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doItalicsAndBold($text) {
+		$token_stack = array('');
+		$text_stack = array('');
+		$em = '';
+		$strong = '';
+		$tree_char_em = false;
+		
+		while (1) {
+			// Get prepared regular expression for seraching emphasis tokens
+			// in current context.
+			$token_re = $this->em_strong_prepared_relist["$em$strong"];
+			
+			// Each loop iteration search for the next emphasis token. 
+			// Each token is then passed to handleSpanToken.
+			$parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
+			$text_stack[0] .= $parts[0];
+			$token =& $parts[1];
+			$text =& $parts[2];
+			
+			if (empty($token)) {
+				// Reached end of text span: empty stack without emitting.
+				// any more emphasis.
+				while ($token_stack[0]) {
+					$text_stack[1] .= array_shift($token_stack);
+					$text_stack[0] .= array_shift($text_stack);
+				}
+				break;
+			}
+			
+			$token_len = strlen($token);
+			if ($tree_char_em) {
+				// Reached closing marker while inside a three-char emphasis.
+				if ($token_len == 3) {
+					// Three-char closing marker, close em and strong.
+					array_shift($token_stack);
+					$span = array_shift($text_stack);
+					$span = $this->runSpanGamut($span);
+					$span = "<strong><em>$span</em></strong>";
+					$text_stack[0] .= $this->hashPart($span);
+					$em = '';
+					$strong = '';
+				} else {
+					// Other closing marker: close one em or strong and
+					// change current token state to match the other
+					$token_stack[0] = str_repeat($token{0}, 3-$token_len);
+					$tag = $token_len == 2 ? "strong" : "em";
+					$span = $text_stack[0];
+					$span = $this->runSpanGamut($span);
+					$span = "<$tag>$span</$tag>";
+					$text_stack[0] = $this->hashPart($span);
+					$$tag = ''; // $$tag stands for $em or $strong
+				}
+				$tree_char_em = false;
+			} else if ($token_len == 3) {
+				if ($em) {
+					// Reached closing marker for both em and strong.
+					// Closing strong marker:
+					for ($i = 0; $i < 2; ++$i) {
+						$shifted_token = array_shift($token_stack);
+						$tag = strlen($shifted_token) == 2 ? "strong" : "em";
+						$span = array_shift($text_stack);
+						$span = $this->runSpanGamut($span);
+						$span = "<$tag>$span</$tag>";
+						$text_stack[0] .= $this->hashPart($span);
+						$$tag = ''; // $$tag stands for $em or $strong
+					}
+				} else {
+					// Reached opening three-char emphasis marker. Push on token 
+					// stack; will be handled by the special condition above.
+					$em = $token{0};
+					$strong = "$em$em";
+					array_unshift($token_stack, $token);
+					array_unshift($text_stack, '');
+					$tree_char_em = true;
+				}
+			} else if ($token_len == 2) {
+				if ($strong) {
+					// Unwind any dangling emphasis marker:
+					if (strlen($token_stack[0]) == 1) {
+						$text_stack[1] .= array_shift($token_stack);
+						$text_stack[0] .= array_shift($text_stack);
+					}
+					// Closing strong marker:
+					array_shift($token_stack);
+					$span = array_shift($text_stack);
+					$span = $this->runSpanGamut($span);
+					$span = "<strong>$span</strong>";
+					$text_stack[0] .= $this->hashPart($span);
+					$strong = '';
+				} else {
+					array_unshift($token_stack, $token);
+					array_unshift($text_stack, '');
+					$strong = $token;
+				}
+			} else {
+				// Here $token_len == 1
+				if ($em) {
+					if (strlen($token_stack[0]) == 1) {
+						// Closing emphasis marker:
+						array_shift($token_stack);
+						$span = array_shift($text_stack);
+						$span = $this->runSpanGamut($span);
+						$span = "<em>$span</em>";
+						$text_stack[0] .= $this->hashPart($span);
+						$em = '';
+					} else {
+						$text_stack[0] .= $token;
+					}
+				} else {
+					array_unshift($token_stack, $token);
+					array_unshift($text_stack, '');
+					$em = $token;
+				}
+			}
+		}
+		return $text_stack[0];
+	}
+
+	/**
+	 * Parse Markdown blockquotes to HTML
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doBlockQuotes($text) {
+		$text = preg_replace_callback('/
+			  (								# Wrap whole match in $1
+				(?>
+				  ^[ ]*>[ ]?			# ">" at the start of a line
+					.+\n					# rest of the first line
+				  (.+\n)*					# subsequent consecutive lines
+				  \n*						# blanks
+				)+
+			  )
+			/xm',
+			array($this, '_doBlockQuotes_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Blockquote parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doBlockQuotes_callback($matches) {
+		$bq = $matches[1];
+		// trim one level of quoting - trim whitespace-only lines
+		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
+		$bq = $this->runBlockGamut($bq); // recurse
+
+		$bq = preg_replace('/^/m', "  ", $bq);
+		// These leading spaces cause problem with <pre> content, 
+		// so we need to fix that:
+		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
+			array($this, '_doBlockQuotes_callback2'), $bq);
+
+		return "\n" . $this->hashBlock("<blockquote>\n$bq\n</blockquote>") . "\n\n";
+	}
+
+	/**
+	 * Blockquote parsing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doBlockQuotes_callback2($matches) {
+		$pre = $matches[1];
+		$pre = preg_replace('/^  /m', '', $pre);
+		return $pre;
+	}
+
+	/**
+	 * Parse paragraphs
+	 *
+	 * @param  string $text String to process in paragraphs
+	 * @param  boolean $wrap_in_p Whether paragraphs should be wrapped in <p> tags
+	 * @return string
+	 */
+	protected function formParagraphs($text, $wrap_in_p = true) {
+		// Strip leading and trailing lines:
+		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
+
+		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
+
+		// Wrap <p> tags and unhashify HTML blocks
+		foreach ($grafs as $key => $value) {
+			if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
+				// Is a paragraph.
+				$value = $this->runSpanGamut($value);
+				if ($wrap_in_p) {
+					$value = preg_replace('/^([ ]*)/', "<p>", $value);
+					$value .= "</p>";
+				}
+				$grafs[$key] = $this->unhash($value);
+			} else {
+				// Is a block.
+				// Modify elements of @grafs in-place...
+				$graf = $value;
+				$block = $this->html_hashes[$graf];
+				$graf = $block;
+//				if (preg_match('{
+//					\A
+//					(							# $1 = <div> tag
+//					  <div  \s+
+//					  [^>]*
+//					  \b
+//					  markdown\s*=\s*  ([\'"])	#	$2 = attr quote char
+//					  1
+//					  \2
+//					  [^>]*
+//					  >
+//					)
+//					(							# $3 = contents
+//					.*
+//					)
+//					(</div>)					# $4 = closing tag
+//					\z
+//					}xs', $block, $matches))
+//				{
+//					list(, $div_open, , $div_content, $div_close) = $matches;
+//
+//					// We can't call Markdown(), because that resets the hash;
+//					// that initialization code should be pulled into its own sub, though.
+//					$div_content = $this->hashHTMLBlocks($div_content);
+//					
+//					// Run document gamut methods on the content.
+//					foreach ($this->document_gamut as $method => $priority) {
+//						$div_content = $this->$method($div_content);
+//					}
+//
+//					$div_open = preg_replace(
+//						'{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
+//
+//					$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
+//				}
+				$grafs[$key] = $graf;
+			}
+		}
+
+		return implode("\n\n", $grafs);
+	}
+
+	/**
+	 * Encode text for a double-quoted HTML attribute. This function
+	 * is *not* suitable for attributes enclosed in single quotes.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function encodeAttribute($text) {
+		$text = $this->encodeAmpsAndAngles($text);
+		$text = str_replace('"', '&quot;', $text);
+		return $text;
+	}
+
+	/**
+	 * Encode text for a double-quoted HTML attribute containing a URL,
+	 * applying the URL filter if set. Also generates the textual
+	 * representation for the URL (removing mailto: or tel:) storing it in $text.
+	 * This function is *not* suitable for attributes enclosed in single quotes.
+	 *
+	 * @param  string $url
+	 * @param  string &$text Passed by reference
+	 * @return string        URL
+	 */
+	protected function encodeURLAttribute($url, &$text = null) {
+		if ($this->url_filter_func) {
+			$url = call_user_func($this->url_filter_func, $url);
+		}
+
+		if (preg_match('{^mailto:}i', $url)) {
+			$url = $this->encodeEntityObfuscatedAttribute($url, $text, 7);
+		} else if (preg_match('{^tel:}i', $url)) {
+			$url = $this->encodeAttribute($url);
+			$text = substr($url, 4);
+		} else {
+			$url = $this->encodeAttribute($url);
+			$text = $url;
+		}
+
+		return $url;
+	}
+	
+	/**
+	 * Smart processing for ampersands and angle brackets that need to 
+	 * be encoded. Valid character entities are left alone unless the
+	 * no-entities mode is set.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function encodeAmpsAndAngles($text) {
+		if ($this->no_entities) {
+			$text = str_replace('&', '&amp;', $text);
+		} else {
+			// Ampersand-encoding based entirely on Nat Irons's Amputator
+			// MT plugin: <http://bumppo.net/projects/amputator/>
+			$text = preg_replace('/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/', 
+								'&amp;', $text);
+		}
+		// Encode remaining <'s
+		$text = str_replace('<', '&lt;', $text);
+
+		return $text;
+	}
+
+	/**
+	 * Parse Markdown automatic links to anchor HTML tags
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doAutoLinks($text) {
+		$text = preg_replace_callback('{<((https?|ftp|dict|tel):[^\'">\s]+)>}i',
+			array($this, '_doAutoLinks_url_callback'), $text);
+
+		// Email addresses: <address@domain.foo>
+		$text = preg_replace_callback('{
+			<
+			(?:mailto:)?
+			(
+				(?:
+					[-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
+				|
+					".*?"
+				)
+				\@
+				(?:
+					[-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
+				|
+					\[[\d.a-fA-F:]+\]	# IPv4 & IPv6
+				)
+			)
+			>
+			}xi',
+			array($this, '_doAutoLinks_email_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Parse URL callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doAutoLinks_url_callback($matches) {
+		$url = $this->encodeURLAttribute($matches[1], $text);
+		$link = "<a href=\"$url\">$text</a>";
+		return $this->hashPart($link);
+	}
+
+	/**
+	 * Parse email address callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doAutoLinks_email_callback($matches) {
+		$addr = $matches[1];
+		$url = $this->encodeURLAttribute("mailto:$addr", $text);
+		$link = "<a href=\"$url\">$text</a>";
+		return $this->hashPart($link);
+	}
+
+	/**
+	 * Input: some text to obfuscate, e.g. "mailto:foo@example.com"
+	 *
+	 * Output: the same text but with most characters encoded as either a
+	 *         decimal or hex entity, in the hopes of foiling most address
+	 *         harvesting spam bots. E.g.:
+	 *
+	 *        &#109;&#x61;&#105;&#x6c;&#116;&#x6f;&#58;&#x66;o&#111;
+	 *        &#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;&#101;&#46;&#x63;&#111;
+	 *        &#x6d;
+	 *
+	 * Note: the additional output $tail is assigned the same value as the
+	 * ouput, minus the number of characters specified by $head_length.
+	 *
+	 * Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
+	 * With some optimizations by Milian Wolff. Forced encoding of HTML
+	 * attribute special characters by Allan Odgaard.
+	 *
+	 * @param  string  $text
+	 * @param  string  &$tail
+	 * @param  integer $head_length
+	 * @return string
+	 */
+	protected function encodeEntityObfuscatedAttribute($text, &$tail = null, $head_length = 0) {
+		if ($text == "") {
+			return $tail = "";
+		}
+
+		$chars = preg_split('/(?<!^)(?!$)/', $text);
+		$seed = (int)abs(crc32($text) / strlen($text)); // Deterministic seed.
+
+		foreach ($chars as $key => $char) {
+			$ord = ord($char);
+			// Ignore non-ascii chars.
+			if ($ord < 128) {
+				$r = ($seed * (1 + $key)) % 100; // Pseudo-random function.
+				// roughly 10% raw, 45% hex, 45% dec
+				// '@' *must* be encoded. I insist.
+				// '"' and '>' have to be encoded inside the attribute
+				if ($r > 90 && strpos('@"&>', $char) === false) {
+					/* do nothing */
+				} else if ($r < 45) {
+					$chars[$key] = '&#x'.dechex($ord).';';
+				} else {
+					$chars[$key] = '&#'.$ord.';';
+				}
+			}
+		}
+
+		$text = implode('', $chars);
+		$tail = $head_length ? implode('', array_slice($chars, $head_length)) : $text;
+
+		return $text;
+	}
+
+	/**
+	 * Take the string $str and parse it into tokens, hashing embeded HTML,
+	 * escaped characters and handling code spans.
+	 * @param  string $str
+	 * @return string
+	 */
+	protected function parseSpan($str) {
+		$output = '';
+		
+		$span_re = '{
+				(
+					\\\\'.$this->escape_chars_re.'
+				|
+					(?<![`\\\\])
+					`+						# code span marker
+			'.( $this->no_markup ? '' : '
+				|
+					<!--    .*?     -->		# comment
+				|
+					<\?.*?\?> | <%.*?%>		# processing instruction
+				|
+					<[!$]?[-a-zA-Z0-9:_]+	# regular tags
+					(?>
+						\s
+						(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
+					)?
+					>
+				|
+					<[-a-zA-Z0-9:_]+\s*/> # xml-style empty tag
+				|
+					</[-a-zA-Z0-9:_]+\s*> # closing tag
+			').'
+				)
+				}xs';
+
+		while (1) {
+			// Each loop iteration seach for either the next tag, the next 
+			// openning code span marker, or the next escaped character. 
+			// Each token is then passed to handleSpanToken.
+			$parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
+			
+			// Create token from text preceding tag.
+			if ($parts[0] != "") {
+				$output .= $parts[0];
+			}
+			
+			// Check if we reach the end.
+			if (isset($parts[1])) {
+				$output .= $this->handleSpanToken($parts[1], $parts[2]);
+				$str = $parts[2];
+			} else {
+				break;
+			}
+		}
+		
+		return $output;
+	}
+
+	/**
+	 * Handle $token provided by parseSpan by determining its nature and
+	 * returning the corresponding value that should replace it.
+	 * @param  string $token
+	 * @param  string &$str
+	 * @return string
+	 */
+	protected function handleSpanToken($token, &$str) {
+		switch ($token{0}) {
+			case "\\":
+				return $this->hashPart("&#". ord($token{1}). ";");
+			case "`":
+				// Search for end marker in remaining text.
+				if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm', 
+					$str, $matches))
+				{
+					$str = $matches[2];
+					$codespan = $this->makeCodeSpan($matches[1]);
+					return $this->hashPart($codespan);
+				}
+				return $token; // Return as text since no ending marker found.
+			default:
+				return $this->hashPart($token);
+		}
+	}
+
+	/**
+	 * Remove one level of line-leading tabs or spaces
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function outdent($text) {
+		return preg_replace('/^(\t|[ ]{1,' . $this->tab_width . '})/m', '', $text);
+	}
+
+
+	/**
+	 * String length function for detab. `_initDetab` will create a function to
+	 * handle UTF-8 if the default function does not exist.
+	 * @var string
+	 */
+	protected $utf8_strlen = 'mb_strlen';
+
+	/**
+	 * Replace tabs with the appropriate amount of spaces.
+	 *
+	 * For each line we separate the line in blocks delemited by tab characters.
+	 * Then we reconstruct every line by adding the  appropriate number of space
+	 * between each blocks.
+	 * 
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function detab($text) {	
+		$text = preg_replace_callback('/^.*\t.*$/m',
+			array($this, '_detab_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Replace tabs callback
+	 * @param  string $matches
+	 * @return string
+	 */
+	protected function _detab_callback($matches) {
+		$line = $matches[0];
+		$strlen = $this->utf8_strlen; // strlen function for UTF-8.
+		
+		// Split in blocks.
+		$blocks = explode("\t", $line);
+		// Add each blocks to the line.
+		$line = $blocks[0];
+		unset($blocks[0]); // Do not add first block twice.
+		foreach ($blocks as $block) {
+			// Calculate amount of space, insert spaces, insert block.
+			$amount = $this->tab_width - 
+				$strlen($line, 'UTF-8') % $this->tab_width;
+			$line .= str_repeat(" ", $amount) . $block;
+		}
+		return $line;
+	}
+
+	/**
+	 * Check for the availability of the function in the `utf8_strlen` property
+	 * (initially `mb_strlen`). If the function is not available, create a 
+	 * function that will loosely count the number of UTF-8 characters with a
+	 * regular expression.
+	 * @return void
+	 */
+	protected function _initDetab() {
+	
+		if (function_exists($this->utf8_strlen)) {
+			return;
+		}
+
+		$this->utf8_strlen = create_function('$text', 'return preg_match_all(
+			"/[\\\\x00-\\\\xBF]|[\\\\xC0-\\\\xFF][\\\\x80-\\\\xBF]*/", 
+			$text, $m);');
+	}
+
+	/**
+	 * Swap back in all the tags hashed by _HashHTMLBlocks.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function unhash($text) {
+		return preg_replace_callback('/(.)\x1A[0-9]+\1/', 
+			array($this, '_unhash_callback'), $text);
+	}
+
+	/**
+	 * Unhashing callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _unhash_callback($matches) {
+		return $this->html_hashes[$matches[0]];
+	}
+}
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php
new file mode 100644
index 0000000..d09bd7a
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php
@@ -0,0 +1,11 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the MarkdownExtra parser.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
+require_once dirname(__FILE__) . '/Markdown.php';
+require_once dirname(__FILE__) . '/MarkdownExtra.php';
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php
new file mode 100644
index 0000000..ac6b1b4
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php
@@ -0,0 +1,1785 @@
+<?php
+/**
+ * Markdown Extra - A text-to-HTML conversion tool for web writers
+ *
+ * @package   php-markdown
+ * @author    Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Extra Parser Class
+ */
+class MarkdownExtra extends \Michelf\Markdown {
+	/**
+	 * Configuration variables
+	 */
+
+	/**
+	 * Prefix for footnote ids.
+	 * @var string
+	 */
+	public $fn_id_prefix = "";
+	
+	/**
+	 * Optional title attribute for footnote links and backlinks.
+	 * @var string
+	 */
+	public $fn_link_title     = "";
+	public $fn_backlink_title = "";
+	
+	/**
+	 * Optional class attribute for footnote links and backlinks.
+	 * @var string
+	 */
+	public $fn_link_class     = "footnote-ref";
+	public $fn_backlink_class = "footnote-backref";
+
+	/**
+	 * Content to be displayed within footnote backlinks. The default is '↩';
+	 * the U+FE0E on the end is a Unicode variant selector used to prevent iOS
+	 * from displaying the arrow character as an emoji.
+	 * @var string
+	 */
+	public $fn_backlink_html = '&#8617;&#xFE0E;';
+
+	/**
+	 * Class name for table cell alignment (%% replaced left/center/right)
+	 * For instance: 'go-%%' becomes 'go-left' or 'go-right' or 'go-center'
+	 * If empty, the align attribute is used instead of a class name.
+	 * @var string
+	 */
+	public $table_align_class_tmpl = '';
+
+	/**
+	 * Optional class prefix for fenced code block.
+	 * @var string
+	 */
+	public $code_class_prefix = "";
+
+	/**
+	 * Class attribute for code blocks goes on the `code` tag;
+	 * setting this to true will put attributes on the `pre` tag instead.
+	 * @var boolean
+	 */
+	public $code_attr_on_pre = false;
+
+	/**
+	 * Predefined abbreviations.
+	 * @var array
+	 */
+	public $predef_abbr = array();
+
+	/**
+	 * Parser implementation
+	 */
+	
+	/**
+	 * Constructor function. Initialize the parser object.
+	 * @return void
+	 */
+	public function __construct() {
+		// Add extra escapable characters before parent constructor 
+		// initialize the table.
+		$this->escape_chars .= ':|';
+		
+		// Insert extra document, block, and span transformations. 
+		// Parent constructor will do the sorting.
+		$this->document_gamut += array(
+			"doFencedCodeBlocks" => 5,
+			"stripFootnotes"     => 15,
+			"stripAbbreviations" => 25,
+			"appendFootnotes"    => 50,
+		);
+		$this->block_gamut += array(
+			"doFencedCodeBlocks" => 5,
+			"doTables"           => 15,
+			"doDefLists"         => 45,
+		);
+		$this->span_gamut += array(
+			"doFootnotes"        => 5,
+			"doAbbreviations"    => 70,
+		);
+		
+		$this->enhanced_ordered_list = true;
+		parent::__construct();
+	}
+	
+	
+	/**
+	 * Extra variables used during extra transformations.
+	 * @var array
+	 */
+	protected $footnotes = array();
+	protected $footnotes_ordered = array();
+	protected $footnotes_ref_count = array();
+	protected $footnotes_numbers = array();
+	protected $abbr_desciptions = array();
+	/** @var @string */
+	protected $abbr_word_re = '';
+	
+	/**
+	 * Give the current footnote number.
+	 * @var integer
+	 */
+	protected $footnote_counter = 1;
+	
+	/**
+	 * Setting up Extra-specific variables.
+	 */
+	protected function setup() {
+		parent::setup();
+		
+		$this->footnotes = array();
+		$this->footnotes_ordered = array();
+		$this->footnotes_ref_count = array();
+		$this->footnotes_numbers = array();
+		$this->abbr_desciptions = array();
+		$this->abbr_word_re = '';
+		$this->footnote_counter = 1;
+		
+		foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
+			if ($this->abbr_word_re)
+				$this->abbr_word_re .= '|';
+			$this->abbr_word_re .= preg_quote($abbr_word);
+			$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
+		}
+	}
+
+	/**
+	 * Clearing Extra-specific variables.
+	 */
+	protected function teardown() {
+		$this->footnotes = array();
+		$this->footnotes_ordered = array();
+		$this->footnotes_ref_count = array();
+		$this->footnotes_numbers = array();
+		$this->abbr_desciptions = array();
+		$this->abbr_word_re = '';
+		
+		parent::teardown();
+	}
+	
+	
+	/**
+	 * Extra attribute parser
+	 */
+
+	/**
+	 * Expression to use to catch attributes (includes the braces)
+	 * @var string
+	 */
+	protected $id_class_attr_catch_re = '\{((?>[ ]*[#.a-z][-_:a-zA-Z0-9=]+){1,})[ ]*\}';
+
+	/**
+	 * Expression to use when parsing in a context when no capture is desired
+	 * @var string
+	 */
+	protected $id_class_attr_nocatch_re = '\{(?>[ ]*[#.a-z][-_:a-zA-Z0-9=]+){1,}[ ]*\}';
+
+	/**
+	 * Parse attributes caught by the $this->id_class_attr_catch_re expression
+	 * and return the HTML-formatted list of attributes.
+	 *
+	 * Currently supported attributes are .class and #id.
+	 *
+	 * In addition, this method also supports supplying a default Id value,
+	 * which will be used to populate the id attribute in case it was not
+	 * overridden.
+	 * @param  string $tag_name
+	 * @param  string $attr
+	 * @param  mixed  $defaultIdValue
+	 * @param  array  $classes
+	 * @return string
+	 */
+	protected function doExtraAttributes($tag_name, $attr, $defaultIdValue = null, $classes = array()) {
+		if (empty($attr) && !$defaultIdValue && empty($classes)) return "";
+		
+		// Split on components
+		preg_match_all('/[#.a-z][-_:a-zA-Z0-9=]+/', $attr, $matches);
+		$elements = $matches[0];
+
+		// Handle classes and IDs (only first ID taken into account)
+		$attributes = array();
+		$id = false;
+		foreach ($elements as $element) {
+			if ($element{0} == '.') {
+				$classes[] = substr($element, 1);
+			} else if ($element{0} == '#') {
+				if ($id === false) $id = substr($element, 1);
+			} else if (strpos($element, '=') > 0) {
+				$parts = explode('=', $element, 2);
+				$attributes[] = $parts[0] . '="' . $parts[1] . '"';
+			}
+		}
+
+		if (!$id) $id = $defaultIdValue;
+
+		// Compose attributes as string
+		$attr_str = "";
+		if (!empty($id)) {
+			$attr_str .= ' id="'.$this->encodeAttribute($id) .'"';
+		}
+		if (!empty($classes)) {
+			$attr_str .= ' class="'. implode(" ", $classes) . '"';
+		}
+		if (!$this->no_markup && !empty($attributes)) {
+			$attr_str .= ' '.implode(" ", $attributes);
+		}
+		return $attr_str;
+	}
+
+	/**
+	 * Strips link definitions from text, stores the URLs and titles in
+	 * hash references.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function stripLinkDefinitions($text) {
+		$less_than_tab = $this->tab_width - 1;
+
+		// Link defs are in the form: ^[id]: url "optional title"
+		$text = preg_replace_callback('{
+							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
+							  [ ]*
+							  \n?				# maybe *one* newline
+							  [ ]*
+							(?:
+							  <(.+?)>			# url = $2
+							|
+							  (\S+?)			# url = $3
+							)
+							  [ ]*
+							  \n?				# maybe one newline
+							  [ ]*
+							(?:
+								(?<=\s)			# lookbehind for whitespace
+								["(]
+								(.*?)			# title = $4
+								[")]
+								[ ]*
+							)?	# title is optional
+					(?:[ ]* '.$this->id_class_attr_catch_re.' )?  # $5 = extra id & class attr
+							(?:\n+|\Z)
+			}xm',
+			array($this, '_stripLinkDefinitions_callback'),
+			$text);
+		return $text;
+	}
+
+	/**
+	 * Strip link definition callback
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _stripLinkDefinitions_callback($matches) {
+		$link_id = strtolower($matches[1]);
+		$url = $matches[2] == '' ? $matches[3] : $matches[2];
+		$this->urls[$link_id] = $url;
+		$this->titles[$link_id] =& $matches[4];
+		$this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
+		return ''; // String that will replace the block
+	}
+
+
+	/**
+	 * HTML block parser
+	 */
+	
+	/**
+	 * Tags that are always treated as block tags
+	 * @var string
+	 */
+	protected $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption|figure';
+						   
+	/**
+	 * Tags treated as block tags only if the opening tag is alone on its line
+	 * @var string
+	 */
+	protected $context_block_tags_re = 'script|noscript|style|ins|del|iframe|object|source|track|param|math|svg|canvas|audio|video';
+	
+	/**
+	 * Tags where markdown="1" default to span mode:
+	 * @var string
+	 */
+	protected $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
+	
+	/**
+	 * Tags which must not have their contents modified, no matter where
+	 * they appear
+	 * @var string
+	 */
+	protected $clean_tags_re = 'script|style|math|svg';
+	
+	/**
+	 * Tags that do not need to be closed.
+	 * @var string
+	 */
+	protected $auto_close_tags_re = 'hr|img|param|source|track';
+	
+	/**
+	 * Hashify HTML Blocks and "clean tags".
+	 *
+	 * We only want to do this for block-level HTML tags, such as headers,
+	 * lists, and tables. That's because we still want to wrap <p>s around
+	 * "paragraphs" that are wrapped in non-block-level tags, such as anchors,
+	 * phrase emphasis, and spans. The list of tags we're looking for is
+	 * hard-coded.
+	 *
+	 * This works by calling _HashHTMLBlocks_InMarkdown, which then calls
+	 * _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1" 
+	 * attribute is found within a tag, _HashHTMLBlocks_InHTML calls back
+	 *  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
+	 * These two functions are calling each other. It's recursive!
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function hashHTMLBlocks($text) {
+		if ($this->no_markup) {
+			return $text;
+		}
+
+		// Call the HTML-in-Markdown hasher.
+		list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
+		
+		return $text;
+	}
+
+	/**
+	 * Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
+	 *
+	 * *   $indent is the number of space to be ignored when checking for code 
+	 *     blocks. This is important because if we don't take the indent into 
+	 *     account, something like this (which looks right) won't work as expected:
+	 *
+	 *     <div>
+	 *         <div markdown="1">
+	 *         Hello World.  <-- Is this a Markdown code block or text?
+	 *         </div>  <-- Is this a Markdown code block or a real tag?
+	 *     <div>
+	 *
+	 *     If you don't like this, just don't indent the tag on which
+	 *     you apply the markdown="1" attribute.
+	 *
+	 * *   If $enclosing_tag_re is not empty, stops at the first unmatched closing 
+	 *     tag with that name. Nested tags supported.
+	 *
+	 * *   If $span is true, text inside must treated as span. So any double 
+	 *     newline will be replaced by a single newline so that it does not create 
+	 *     paragraphs.
+	 *
+	 * Returns an array of that form: ( processed text , remaining text )
+	 *
+	 * @param  string  $text
+	 * @param  integer $indent
+	 * @param  string  $enclosing_tag_re
+	 * @param  boolean $span
+	 * @return array
+	 */
+	protected function _hashHTMLBlocks_inMarkdown($text, $indent = 0,
+										$enclosing_tag_re = '', $span = false)
+	{
+	
+		if ($text === '') return array('', '');
+
+		// Regex to check for the presense of newlines around a block tag.
+		$newline_before_re = '/(?:^\n?|\n\n)*$/';
+		$newline_after_re = 
+			'{
+				^						# Start of text following the tag.
+				(?>[ ]*<!--.*?-->)?		# Optional comment.
+				[ ]*\n					# Must be followed by newline.
+			}xs';
+		
+		// Regex to match any tag.
+		$block_tag_re =
+			'{
+				(					# $2: Capture whole tag.
+					</?					# Any opening or closing tag.
+						(?>				# Tag name.
+							' . $this->block_tags_re . '			|
+							' . $this->context_block_tags_re . '	|
+							' . $this->clean_tags_re . '        	|
+							(?!\s)'.$enclosing_tag_re . '
+						)
+						(?:
+							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
+							(?>
+								".*?"		|	# Double quotes (can contain `>`)
+								\'.*?\'   	|	# Single quotes (can contain `>`)
+								.+?				# Anything but quotes and `>`.
+							)*?
+						)?
+					>					# End of tag.
+				|
+					<!--    .*?     -->	# HTML Comment
+				|
+					<\?.*?\?> | <%.*?%>	# Processing instruction
+				|
+					<!\[CDATA\[.*?\]\]>	# CData Block
+				' . ( !$span ? ' # If not in span.
+				|
+					# Indented code block
+					(?: ^[ ]*\n | ^ | \n[ ]*\n )
+					[ ]{' . ($indent + 4) . '}[^\n]* \n
+					(?>
+						(?: [ ]{' . ($indent + 4) . '}[^\n]* | [ ]* ) \n
+					)*
+				|
+					# Fenced code block marker
+					(?<= ^ | \n )
+					[ ]{0,' . ($indent + 3) . '}(?:~{3,}|`{3,})
+					[ ]*
+					(?: \.?[-_:a-zA-Z0-9]+ )? # standalone class name
+					[ ]*
+					(?: ' . $this->id_class_attr_nocatch_re . ' )? # extra attributes
+					[ ]*
+					(?= \n )
+				' : '' ) . ' # End (if not is span).
+				|
+					# Code span marker
+					# Note, this regex needs to go after backtick fenced
+					# code blocks but it should also be kept outside of the
+					# "if not in span" condition adding backticks to the parser
+					`+
+				)
+			}xs';
+
+		
+		$depth = 0;		// Current depth inside the tag tree.
+		$parsed = "";	// Parsed text that will be returned.
+
+		// Loop through every tag until we find the closing tag of the parent
+		// or loop until reaching the end of text if no parent tag specified.
+		do {
+			// Split the text using the first $tag_match pattern found.
+			// Text before  pattern will be first in the array, text after
+			// pattern will be at the end, and between will be any catches made 
+			// by the pattern.
+			$parts = preg_split($block_tag_re, $text, 2, 
+								PREG_SPLIT_DELIM_CAPTURE);
+			
+			// If in Markdown span mode, add a empty-string span-level hash 
+			// after each newline to prevent triggering any block element.
+			if ($span) {
+				$void = $this->hashPart("", ':');
+				$newline = "\n$void";
+				$parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
+			}
+			
+			$parsed .= $parts[0]; // Text before current tag.
+			
+			// If end of $text has been reached. Stop loop.
+			if (count($parts) < 3) {
+				$text = "";
+				break;
+			}
+			
+			$tag  = $parts[1]; // Tag to handle.
+			$text = $parts[2]; // Remaining text after current tag.
+			$tag_re = preg_quote($tag); // For use in a regular expression.
+			
+			// Check for: Fenced code block marker.
+			// Note: need to recheck the whole tag to disambiguate backtick
+			// fences from code spans
+			if (preg_match('{^\n?([ ]{0,' . ($indent + 3) . '})(~{3,}|`{3,})[ ]*(?:\.?[-_:a-zA-Z0-9]+)?[ ]*(?:' . $this->id_class_attr_nocatch_re . ')?[ ]*\n?$}', $tag, $capture)) {
+				// Fenced code block marker: find matching end marker.
+				$fence_indent = strlen($capture[1]); // use captured indent in re
+				$fence_re = $capture[2]; // use captured fence in re
+				if (preg_match('{^(?>.*\n)*?[ ]{' . ($fence_indent) . '}' . $fence_re . '[ ]*(?:\n|$)}', $text,
+					$matches)) 
+				{
+					// End marker found: pass text unchanged until marker.
+					$parsed .= $tag . $matches[0];
+					$text = substr($text, strlen($matches[0]));
+				}
+				else {
+					// No end marker: just skip it.
+					$parsed .= $tag;
+				}
+			}
+			// Check for: Indented code block.
+			else if ($tag{0} == "\n" || $tag{0} == " ") {
+				// Indented code block: pass it unchanged, will be handled 
+				// later.
+				$parsed .= $tag;
+			}
+			// Check for: Code span marker
+			// Note: need to check this after backtick fenced code blocks
+			else if ($tag{0} == "`") {
+				// Find corresponding end marker.
+				$tag_re = preg_quote($tag);
+				if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)' . $tag_re . '(?!`)}',
+					$text, $matches))
+				{
+					// End marker found: pass text unchanged until marker.
+					$parsed .= $tag . $matches[0];
+					$text = substr($text, strlen($matches[0]));
+				}
+				else {
+					// Unmatched marker: just skip it.
+					$parsed .= $tag;
+				}
+			}
+			// Check for: Opening Block level tag or
+			//            Opening Context Block tag (like ins and del) 
+			//               used as a block tag (tag is alone on it's line).
+			else if (preg_match('{^<(?:' . $this->block_tags_re . ')\b}', $tag) ||
+				(	preg_match('{^<(?:' . $this->context_block_tags_re . ')\b}', $tag) &&
+					preg_match($newline_before_re, $parsed) &&
+					preg_match($newline_after_re, $text)	)
+				)
+			{
+				// Need to parse tag and following text using the HTML parser.
+				list($block_text, $text) = 
+					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
+				
+				// Make sure it stays outside of any paragraph by adding newlines.
+				$parsed .= "\n\n$block_text\n\n";
+			}
+			// Check for: Clean tag (like script, math)
+			//            HTML Comments, processing instructions.
+			else if (preg_match('{^<(?:' . $this->clean_tags_re . ')\b}', $tag) ||
+				$tag{1} == '!' || $tag{1} == '?')
+			{
+				// Need to parse tag and following text using the HTML parser.
+				// (don't check for markdown attribute)
+				list($block_text, $text) = 
+					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
+				
+				$parsed .= $block_text;
+			}
+			// Check for: Tag with same name as enclosing tag.
+			else if ($enclosing_tag_re !== '' &&
+				// Same name as enclosing tag.
+				preg_match('{^</?(?:' . $enclosing_tag_re . ')\b}', $tag))
+			{
+				// Increase/decrease nested tag count.
+				if ($tag{1} == '/')						$depth--;
+				else if ($tag{strlen($tag)-2} != '/')	$depth++;
+
+				if ($depth < 0) {
+					// Going out of parent element. Clean up and break so we
+					// return to the calling function.
+					$text = $tag . $text;
+					break;
+				}
+				
+				$parsed .= $tag;
+			}
+			else {
+				$parsed .= $tag;
+			}
+		} while ($depth >= 0);
+		
+		return array($parsed, $text);
+	}
+
+	/**
+	 * Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
+	 *
+	 * *   Calls $hash_method to convert any blocks.
+	 * *   Stops when the first opening tag closes.
+	 * *   $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
+	 *     (it is not inside clean tags)
+	 *
+	 * Returns an array of that form: ( processed text , remaining text )
+	 * @param  string $text
+	 * @param  string $hash_method
+	 * @param  string $md_attr
+	 * @return array
+	 */
+	protected function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
+		if ($text === '') return array('', '');
+		
+		// Regex to match `markdown` attribute inside of a tag.
+		$markdown_attr_re = '
+			{
+				\s*			# Eat whitespace before the `markdown` attribute
+				markdown
+				\s*=\s*
+				(?>
+					(["\'])		# $1: quote delimiter		
+					(.*?)		# $2: attribute value
+					\1			# matching delimiter	
+				|
+					([^\s>]*)	# $3: unquoted attribute value
+				)
+				()				# $4: make $3 always defined (avoid warnings)
+			}xs';
+		
+		// Regex to match any tag.
+		$tag_re = '{
+				(					# $2: Capture whole tag.
+					</?					# Any opening or closing tag.
+						[\w:$]+			# Tag name.
+						(?:
+							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
+							(?>
+								".*?"		|	# Double quotes (can contain `>`)
+								\'.*?\'   	|	# Single quotes (can contain `>`)
+								.+?				# Anything but quotes and `>`.
+							)*?
+						)?
+					>					# End of tag.
+				|
+					<!--    .*?     -->	# HTML Comment
+				|
+					<\?.*?\?> | <%.*?%>	# Processing instruction
+				|
+					<!\[CDATA\[.*?\]\]>	# CData Block
+				)
+			}xs';
+		
+		$original_text = $text;		// Save original text in case of faliure.
+		
+		$depth		= 0;	// Current depth inside the tag tree.
+		$block_text	= "";	// Temporary text holder for current text.
+		$parsed		= "";	// Parsed text that will be returned.
+
+		// Get the name of the starting tag.
+		// (This pattern makes $base_tag_name_re safe without quoting.)
+		if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
+			$base_tag_name_re = $matches[1];
+
+		// Loop through every tag until we find the corresponding closing tag.
+		do {
+			// Split the text using the first $tag_match pattern found.
+			// Text before  pattern will be first in the array, text after
+			// pattern will be at the end, and between will be any catches made 
+			// by the pattern.
+			$parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
+			
+			if (count($parts) < 3) {
+				// End of $text reached with unbalenced tag(s).
+				// In that case, we return original text unchanged and pass the
+				// first character as filtered to prevent an infinite loop in the 
+				// parent function.
+				return array($original_text{0}, substr($original_text, 1));
+			}
+			
+			$block_text .= $parts[0]; // Text before current tag.
+			$tag         = $parts[1]; // Tag to handle.
+			$text        = $parts[2]; // Remaining text after current tag.
+			
+			// Check for: Auto-close tag (like <hr/>)
+			//			 Comments and Processing Instructions.
+			if (preg_match('{^</?(?:' . $this->auto_close_tags_re . ')\b}', $tag) ||
+				$tag{1} == '!' || $tag{1} == '?')
+			{
+				// Just add the tag to the block as if it was text.
+				$block_text .= $tag;
+			}
+			else {
+				// Increase/decrease nested tag count. Only do so if
+				// the tag's name match base tag's.
+				if (preg_match('{^</?' . $base_tag_name_re . '\b}', $tag)) {
+					if ($tag{1} == '/')						$depth--;
+					else if ($tag{strlen($tag)-2} != '/')	$depth++;
+				}
+				
+				// Check for `markdown="1"` attribute and handle it.
+				if ($md_attr && 
+					preg_match($markdown_attr_re, $tag, $attr_m) &&
+					preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3]))
+				{
+					// Remove `markdown` attribute from opening tag.
+					$tag = preg_replace($markdown_attr_re, '', $tag);
+					
+					// Check if text inside this tag must be parsed in span mode.
+					$this->mode = $attr_m[2] . $attr_m[3];
+					$span_mode = $this->mode == 'span' || $this->mode != 'block' &&
+						preg_match('{^<(?:' . $this->contain_span_tags_re . ')\b}', $tag);
+					
+					// Calculate indent before tag.
+					if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
+						$strlen = $this->utf8_strlen;
+						$indent = $strlen($matches[1], 'UTF-8');
+					} else {
+						$indent = 0;
+					}
+					
+					// End preceding block with this tag.
+					$block_text .= $tag;
+					$parsed .= $this->$hash_method($block_text);
+					
+					// Get enclosing tag name for the ParseMarkdown function.
+					// (This pattern makes $tag_name_re safe without quoting.)
+					preg_match('/^<([\w:$]*)\b/', $tag, $matches);
+					$tag_name_re = $matches[1];
+					
+					// Parse the content using the HTML-in-Markdown parser.
+					list ($block_text, $text)
+						= $this->_hashHTMLBlocks_inMarkdown($text, $indent, 
+							$tag_name_re, $span_mode);
+					
+					// Outdent markdown text.
+					if ($indent > 0) {
+						$block_text = preg_replace("/^[ ]{1,$indent}/m", "", 
+													$block_text);
+					}
+					
+					// Append tag content to parsed text.
+					if (!$span_mode)	$parsed .= "\n\n$block_text\n\n";
+					else				$parsed .= "$block_text";
+					
+					// Start over with a new block.
+					$block_text = "";
+				}
+				else $block_text .= $tag;
+			}
+			
+		} while ($depth > 0);
+		
+		// Hash last block text that wasn't processed inside the loop.
+		$parsed .= $this->$hash_method($block_text);
+		
+		return array($parsed, $text);
+	}
+
+	/**
+	 * Called whenever a tag must be hashed when a function inserts a "clean" tag
+	 * in $text, it passes through this function and is automaticaly escaped, 
+	 * blocking invalid nested overlap.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function hashClean($text) {
+		return $this->hashPart($text, 'C');
+	}
+
+	/**
+	 * Turn Markdown link shortcuts into XHTML <a> tags.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doAnchors($text) {
+		if ($this->in_anchor) {
+			return $text;
+		}
+		$this->in_anchor = true;
+
+		// First, handle reference-style links: [link text] [id]
+		$text = preg_replace_callback('{
+			(					# wrap whole match in $1
+			  \[
+				(' . $this->nested_brackets_re . ')	# link text = $2
+			  \]
+
+			  [ ]?				# one optional space
+			  (?:\n[ ]*)?		# one optional newline followed by spaces
+
+			  \[
+				(.*?)		# id = $3
+			  \]
+			)
+			}xs',
+			array($this, '_doAnchors_reference_callback'), $text);
+
+		// Next, inline-style links: [link text](url "optional title")
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  \[
+				(' . $this->nested_brackets_re . ')	# link text = $2
+			  \]
+			  \(			# literal paren
+				[ \n]*
+				(?:
+					<(.+?)>	# href = $3
+				|
+					(' . $this->nested_url_parenthesis_re . ')	# href = $4
+				)
+				[ \n]*
+				(			# $5
+				  ([\'"])	# quote char = $6
+				  (.*?)		# Title = $7
+				  \6		# matching quote
+				  [ \n]*	# ignore any spaces/tabs between closing quote and )
+				)?			# title is optional
+			  \)
+			  (?:[ ]? ' . $this->id_class_attr_catch_re . ' )?	 # $8 = id/class attributes
+			)
+			}xs',
+			array($this, '_doAnchors_inline_callback'), $text);
+
+		// Last, handle reference-style shortcuts: [link text]
+		// These must come last in case you've also got [link text][1]
+		// or [link text](/foo)
+		$text = preg_replace_callback('{
+			(					# wrap whole match in $1
+			  \[
+				([^\[\]]+)		# link text = $2; can\'t contain [ or ]
+			  \]
+			)
+			}xs',
+			array($this, '_doAnchors_reference_callback'), $text);
+
+		$this->in_anchor = false;
+		return $text;
+	}
+
+	/**
+	 * Callback for reference anchors
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doAnchors_reference_callback($matches) {
+		$whole_match =  $matches[1];
+		$link_text   =  $matches[2];
+		$link_id     =& $matches[3];
+
+		if ($link_id == "") {
+			// for shortcut links like [this][] or [this].
+			$link_id = $link_text;
+		}
+		
+		// lower-case and turn embedded newlines into spaces
+		$link_id = strtolower($link_id);
+		$link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
+
+		if (isset($this->urls[$link_id])) {
+			$url = $this->urls[$link_id];
+			$url = $this->encodeURLAttribute($url);
+			
+			$result = "<a href=\"$url\"";
+			if ( isset( $this->titles[$link_id] ) ) {
+				$title = $this->titles[$link_id];
+				$title = $this->encodeAttribute($title);
+				$result .=  " title=\"$title\"";
+			}
+			if (isset($this->ref_attr[$link_id]))
+				$result .= $this->ref_attr[$link_id];
+		
+			$link_text = $this->runSpanGamut($link_text);
+			$result .= ">$link_text</a>";
+			$result = $this->hashPart($result);
+		}
+		else {
+			$result = $whole_match;
+		}
+		return $result;
+	}
+
+	/**
+	 * Callback for inline anchors
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doAnchors_inline_callback($matches) {
+		$whole_match	=  $matches[1];
+		$link_text		=  $this->runSpanGamut($matches[2]);
+		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
+		$title			=& $matches[7];
+		$attr  = $this->doExtraAttributes("a", $dummy =& $matches[8]);
+
+		// if the URL was of the form <s p a c e s> it got caught by the HTML
+		// tag parser and hashed. Need to reverse the process before using the URL.
+		$unhashed = $this->unhash($url);
+		if ($unhashed != $url)
+			$url = preg_replace('/^<(.*)>$/', '\1', $unhashed);
+
+		$url = $this->encodeURLAttribute($url);
+
+		$result = "<a href=\"$url\"";
+		if (isset($title)) {
+			$title = $this->encodeAttribute($title);
+			$result .=  " title=\"$title\"";
+		}
+		$result .= $attr;
+		
+		$link_text = $this->runSpanGamut($link_text);
+		$result .= ">$link_text</a>";
+
+		return $this->hashPart($result);
+	}
+
+	/**
+	 * Turn Markdown image shortcuts into <img> tags.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doImages($text) {
+		// First, handle reference-style labeled images: ![alt text][id]
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  !\[
+				(' . $this->nested_brackets_re . ')		# alt text = $2
+			  \]
+
+			  [ ]?				# one optional space
+			  (?:\n[ ]*)?		# one optional newline followed by spaces
+
+			  \[
+				(.*?)		# id = $3
+			  \]
+
+			)
+			}xs', 
+			array($this, '_doImages_reference_callback'), $text);
+
+		// Next, handle inline images:  ![alt text](url "optional title")
+		// Don't forget: encode * and _
+		$text = preg_replace_callback('{
+			(				# wrap whole match in $1
+			  !\[
+				(' . $this->nested_brackets_re . ')		# alt text = $2
+			  \]
+			  \s?			# One optional whitespace character
+			  \(			# literal paren
+				[ \n]*
+				(?:
+					<(\S*)>	# src url = $3
+				|
+					(' . $this->nested_url_parenthesis_re . ')	# src url = $4
+				)
+				[ \n]*
+				(			# $5
+				  ([\'"])	# quote char = $6
+				  (.*?)		# title = $7
+				  \6		# matching quote
+				  [ \n]*
+				)?			# title is optional
+			  \)
+			  (?:[ ]? ' . $this->id_class_attr_catch_re . ' )?	 # $8 = id/class attributes
+			)
+			}xs',
+			array($this, '_doImages_inline_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback for referenced images
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doImages_reference_callback($matches) {
+		$whole_match = $matches[1];
+		$alt_text    = $matches[2];
+		$link_id     = strtolower($matches[3]);
+
+		if ($link_id == "") {
+			$link_id = strtolower($alt_text); // for shortcut links like ![this][].
+		}
+
+		$alt_text = $this->encodeAttribute($alt_text);
+		if (isset($this->urls[$link_id])) {
+			$url = $this->encodeURLAttribute($this->urls[$link_id]);
+			$result = "<img src=\"$url\" alt=\"$alt_text\"";
+			if (isset($this->titles[$link_id])) {
+				$title = $this->titles[$link_id];
+				$title = $this->encodeAttribute($title);
+				$result .=  " title=\"$title\"";
+			}
+			if (isset($this->ref_attr[$link_id]))
+				$result .= $this->ref_attr[$link_id];
+			$result .= $this->empty_element_suffix;
+			$result = $this->hashPart($result);
+		}
+		else {
+			// If there's no such link ID, leave intact:
+			$result = $whole_match;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Callback for inline images
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doImages_inline_callback($matches) {
+		$whole_match	= $matches[1];
+		$alt_text		= $matches[2];
+		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
+		$title			=& $matches[7];
+		$attr  = $this->doExtraAttributes("img", $dummy =& $matches[8]);
+
+		$alt_text = $this->encodeAttribute($alt_text);
+		$url = $this->encodeURLAttribute($url);
+		$result = "<img src=\"$url\" alt=\"$alt_text\"";
+		if (isset($title)) {
+			$title = $this->encodeAttribute($title);
+			$result .=  " title=\"$title\""; // $title already quoted
+		}
+		$result .= $attr;
+		$result .= $this->empty_element_suffix;
+
+		return $this->hashPart($result);
+	}
+
+	/**
+	 * Process markdown headers. Redefined to add ID and class attribute support.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doHeaders($text) {
+		// Setext-style headers:
+		//  Header 1  {#header1}
+		//	  ========
+		//  
+		//	  Header 2  {#header2 .class1 .class2}
+		//	  --------
+		//
+		$text = preg_replace_callback(
+			'{
+				(^.+?)								# $1: Header text
+				(?:[ ]+ ' . $this->id_class_attr_catch_re . ' )?	 # $3 = id/class attributes
+				[ ]*\n(=+|-+)[ ]*\n+				# $3: Header footer
+			}mx',
+			array($this, '_doHeaders_callback_setext'), $text);
+
+		// atx-style headers:
+		//	# Header 1        {#header1}
+		//	## Header 2       {#header2}
+		//	## Header 2 with closing hashes ##  {#header3.class1.class2}
+		//	...
+		//	###### Header 6   {.class2}
+		//
+		$text = preg_replace_callback('{
+				^(\#{1,6})	# $1 = string of #\'s
+				[ ]*
+				(.+?)		# $2 = Header text
+				[ ]*
+				\#*			# optional closing #\'s (not counted)
+				(?:[ ]+ ' . $this->id_class_attr_catch_re . ' )?	 # $3 = id/class attributes
+				[ ]*
+				\n+
+			}xm',
+			array($this, '_doHeaders_callback_atx'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback for setext headers
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doHeaders_callback_setext($matches) {
+		if ($matches[3] == '-' && preg_match('{^- }', $matches[1])) {
+			return $matches[0];
+		}
+
+		$level = $matches[3]{0} == '=' ? 1 : 2;
+
+		$defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[1]) : null;
+
+		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2], $defaultId);
+		$block = "<h$level$attr>" . $this->runSpanGamut($matches[1]) . "</h$level>";
+		return "\n" . $this->hashBlock($block) . "\n\n";
+	}
+
+	/**
+	 * Callback for atx headers
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doHeaders_callback_atx($matches) {
+		$level = strlen($matches[1]);
+
+		$defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[2]) : null;
+		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[3], $defaultId);
+		$block = "<h$level$attr>" . $this->runSpanGamut($matches[2]) . "</h$level>";
+		return "\n" . $this->hashBlock($block) . "\n\n";
+	}
+
+	/**
+	 * Form HTML tables.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doTables($text) {
+		$less_than_tab = $this->tab_width - 1;
+		// Find tables with leading pipe.
+		//
+		//	| Header 1 | Header 2
+		//	| -------- | --------
+		//	| Cell 1   | Cell 2
+		//	| Cell 3   | Cell 4
+		$text = preg_replace_callback('
+			{
+				^							# Start of a line
+				[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
+				[|]							# Optional leading pipe (present)
+				(.+) \n						# $1: Header row (at least one pipe)
+				
+				[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
+				[|] ([ ]*[-:]+[-| :]*) \n	# $2: Header underline
+				
+				(							# $3: Cells
+					(?>
+						[ ]*				# Allowed whitespace.
+						[|] .* \n			# Row content.
+					)*
+				)
+				(?=\n|\Z)					# Stop at final double newline.
+			}xm',
+			array($this, '_doTable_leadingPipe_callback'), $text);
+
+		// Find tables without leading pipe.
+		//
+		//	Header 1 | Header 2
+		//	-------- | --------
+		//	Cell 1   | Cell 2
+		//	Cell 3   | Cell 4
+		$text = preg_replace_callback('
+			{
+				^							# Start of a line
+				[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
+				(\S.*[|].*) \n				# $1: Header row (at least one pipe)
+				
+				[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
+				([-:]+[ ]*[|][-| :]*) \n	# $2: Header underline
+				
+				(							# $3: Cells
+					(?>
+						.* [|] .* \n		# Row content
+					)*
+				)
+				(?=\n|\Z)					# Stop at final double newline.
+			}xm',
+			array($this, '_DoTable_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback for removing the leading pipe for each row
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doTable_leadingPipe_callback($matches) {
+		$head		= $matches[1];
+		$underline	= $matches[2];
+		$content	= $matches[3];
+
+		$content	= preg_replace('/^ *[|]/m', '', $content);
+		
+		return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
+	}
+
+	/**
+	 * Make the align attribute in a table
+	 * @param  string $alignname
+	 * @return string
+	 */
+	protected function _doTable_makeAlignAttr($alignname)
+	{
+		if (empty($this->table_align_class_tmpl)) {
+			return " align=\"$alignname\"";
+		}
+
+		$classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
+		return " class=\"$classname\"";
+	}
+
+	/**
+	 * Calback for processing tables
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doTable_callback($matches) {
+		$head		= $matches[1];
+		$underline	= $matches[2];
+		$content	= $matches[3];
+
+		// Remove any tailing pipes for each line.
+		$head		= preg_replace('/[|] *$/m', '', $head);
+		$underline	= preg_replace('/[|] *$/m', '', $underline);
+		$content	= preg_replace('/[|] *$/m', '', $content);
+		
+		// Reading alignement from header underline.
+		$separators	= preg_split('/ *[|] */', $underline);
+		foreach ($separators as $n => $s) {
+			if (preg_match('/^ *-+: *$/', $s))
+				$attr[$n] = $this->_doTable_makeAlignAttr('right');
+			else if (preg_match('/^ *:-+: *$/', $s))
+				$attr[$n] = $this->_doTable_makeAlignAttr('center');
+			else if (preg_match('/^ *:-+ *$/', $s))
+				$attr[$n] = $this->_doTable_makeAlignAttr('left');
+			else
+				$attr[$n] = '';
+		}
+		
+		// Parsing span elements, including code spans, character escapes, 
+		// and inline HTML tags, so that pipes inside those gets ignored.
+		$head		= $this->parseSpan($head);
+		$headers	= preg_split('/ *[|] */', $head);
+		$col_count	= count($headers);
+		$attr       = array_pad($attr, $col_count, '');
+		
+		// Write column headers.
+		$text = "<table>\n";
+		$text .= "<thead>\n";
+		$text .= "<tr>\n";
+		foreach ($headers as $n => $header)
+			$text .= "  <th$attr[$n]>" . $this->runSpanGamut(trim($header)) . "</th>\n";
+		$text .= "</tr>\n";
+		$text .= "</thead>\n";
+		
+		// Split content by row.
+		$rows = explode("\n", trim($content, "\n"));
+		
+		$text .= "<tbody>\n";
+		foreach ($rows as $row) {
+			// Parsing span elements, including code spans, character escapes, 
+			// and inline HTML tags, so that pipes inside those gets ignored.
+			$row = $this->parseSpan($row);
+			
+			// Split row by cell.
+			$row_cells = preg_split('/ *[|] */', $row, $col_count);
+			$row_cells = array_pad($row_cells, $col_count, '');
+			
+			$text .= "<tr>\n";
+			foreach ($row_cells as $n => $cell)
+				$text .= "  <td$attr[$n]>" . $this->runSpanGamut(trim($cell)) . "</td>\n";
+			$text .= "</tr>\n";
+		}
+		$text .= "</tbody>\n";
+		$text .= "</table>";
+		
+		return $this->hashBlock($text) . "\n";
+	}
+
+	/**
+	 * Form HTML definition lists.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doDefLists($text) {
+		$less_than_tab = $this->tab_width - 1;
+
+		// Re-usable pattern to match any entire dl list:
+		$whole_list_re = '(?>
+			(								# $1 = whole list
+			  (								# $2
+				[ ]{0,' . $less_than_tab . '}
+				((?>.*\S.*\n)+)				# $3 = defined term
+				\n?
+				[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+			  )
+			  (?s:.+?)
+			  (								# $4
+				  \z
+				|
+				  \n{2,}
+				  (?=\S)
+				  (?!						# Negative lookahead for another term
+					[ ]{0,' . $less_than_tab . '}
+					(?: \S.*\n )+?			# defined term
+					\n?
+					[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+				  )
+				  (?!						# Negative lookahead for another definition
+					[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+				  )
+			  )
+			)
+		)'; // mx
+
+		$text = preg_replace_callback('{
+				(?>\A\n?|(?<=\n\n))
+				' . $whole_list_re . '
+			}mx',
+			array($this, '_doDefLists_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback for processing definition lists
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doDefLists_callback($matches) {
+		// Re-usable patterns to match list item bullets and number markers:
+		$list = $matches[1];
+		
+		// Turn double returns into triple returns, so that we can make a
+		// paragraph for the last item in a list, if necessary:
+		$result = trim($this->processDefListItems($list));
+		$result = "<dl>\n" . $result . "\n</dl>";
+		return $this->hashBlock($result) . "\n\n";
+	}
+
+	/**
+	 * Process the contents of a single definition list, splitting it
+	 * into individual term and definition list items.
+	 * @param  string $list_str
+	 * @return string
+	 */
+	protected function processDefListItems($list_str) {
+	
+		$less_than_tab = $this->tab_width - 1;
+		
+		// Trim trailing blank lines:
+		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
+
+		// Process definition terms.
+		$list_str = preg_replace_callback('{
+			(?>\A\n?|\n\n+)						# leading line
+			(									# definition terms = $1
+				[ ]{0,' . $less_than_tab . '}	# leading whitespace
+				(?!\:[ ]|[ ])					# negative lookahead for a definition
+												#   mark (colon) or more whitespace.
+				(?> \S.* \n)+?					# actual term (not whitespace).	
+			)			
+			(?=\n?[ ]{0,3}:[ ])					# lookahead for following line feed 
+												#   with a definition mark.
+			}xm',
+			array($this, '_processDefListItems_callback_dt'), $list_str);
+
+		// Process actual definitions.
+		$list_str = preg_replace_callback('{
+			\n(\n+)?							# leading line = $1
+			(									# marker space = $2
+				[ ]{0,' . $less_than_tab . '}	# whitespace before colon
+				\:[ ]+							# definition mark (colon)
+			)
+			((?s:.+?))							# definition text = $3
+			(?= \n+ 							# stop at next definition mark,
+				(?:								# next term or end of text
+					[ ]{0,' . $less_than_tab . '} \:[ ]	|
+					<dt> | \z
+				)						
+			)					
+			}xm',
+			array($this, '_processDefListItems_callback_dd'), $list_str);
+
+		return $list_str;
+	}
+
+	/**
+	 * Callback for <dt> elements in definition lists
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _processDefListItems_callback_dt($matches) {
+		$terms = explode("\n", trim($matches[1]));
+		$text = '';
+		foreach ($terms as $term) {
+			$term = $this->runSpanGamut(trim($term));
+			$text .= "\n<dt>" . $term . "</dt>";
+		}
+		return $text . "\n";
+	}
+
+	/**
+	 * Callback for <dd> elements in definition lists
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _processDefListItems_callback_dd($matches) {
+		$leading_line	= $matches[1];
+		$marker_space	= $matches[2];
+		$def			= $matches[3];
+
+		if ($leading_line || preg_match('/\n{2,}/', $def)) {
+			// Replace marker with the appropriate whitespace indentation
+			$def = str_repeat(' ', strlen($marker_space)) . $def;
+			$def = $this->runBlockGamut($this->outdent($def . "\n\n"));
+			$def = "\n". $def ."\n";
+		}
+		else {
+			$def = rtrim($def);
+			$def = $this->runSpanGamut($this->outdent($def));
+		}
+
+		return "\n<dd>" . $def . "</dd>\n";
+	}
+
+	/**
+	 * Adding the fenced code block syntax to regular Markdown:
+	 *
+	 * ~~~
+	 * Code block
+	 * ~~~
+	 * 
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doFencedCodeBlocks($text) {
+	
+		$less_than_tab = $this->tab_width;
+		
+		$text = preg_replace_callback('{
+				(?:\n|\A)
+				# 1: Opening marker
+				(
+					(?:~{3,}|`{3,}) # 3 or more tildes/backticks.
+				)
+				[ ]*
+				(?:
+					\.?([-_:a-zA-Z0-9]+) # 2: standalone class name
+				)?
+				[ ]*
+				(?:
+					' . $this->id_class_attr_catch_re . ' # 3: Extra attributes
+				)?
+				[ ]* \n # Whitespace and newline following marker.
+				
+				# 4: Content
+				(
+					(?>
+						(?!\1 [ ]* \n)	# Not a closing marker.
+						.*\n+
+					)+
+				)
+				
+				# Closing marker.
+				\1 [ ]* (?= \n )
+			}xm',
+			array($this, '_doFencedCodeBlocks_callback'), $text);
+
+		return $text;
+	}
+
+	/**
+	 * Callback to process fenced code blocks
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doFencedCodeBlocks_callback($matches) {
+		$classname =& $matches[2];
+		$attrs     =& $matches[3];
+		$codeblock = $matches[4];
+
+		if ($this->code_block_content_func) {
+			$codeblock = call_user_func($this->code_block_content_func, $codeblock, $classname);
+		} else {
+			$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+		}
+
+		$codeblock = preg_replace_callback('/^\n+/',
+			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
+
+		$classes = array();
+		if ($classname != "") {
+			if ($classname{0} == '.')
+				$classname = substr($classname, 1);
+			$classes[] = $this->code_class_prefix . $classname;
+		}
+		$attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs, null, $classes);
+		$pre_attr_str  = $this->code_attr_on_pre ? $attr_str : '';
+		$code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
+		$codeblock  = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
+		
+		return "\n\n".$this->hashBlock($codeblock)."\n\n";
+	}
+
+	/**
+	 * Replace new lines in fenced code blocks
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doFencedCodeBlocks_newlines($matches) {
+		return str_repeat("<br$this->empty_element_suffix", 
+			strlen($matches[0]));
+	}
+
+	/**
+	 * Redefining emphasis markers so that emphasis by underscore does not
+	 * work in the middle of a word.
+	 * @var array
+	 */
+	protected $em_relist = array(
+		''  => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?![\.,:;]?\s)',
+		'*' => '(?<![\s*])\*(?!\*)',
+		'_' => '(?<![\s_])_(?![a-zA-Z0-9_])',
+	);
+	protected $strong_relist = array(
+		''   => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?![\.,:;]?\s)',
+		'**' => '(?<![\s*])\*\*(?!\*)',
+		'__' => '(?<![\s_])__(?![a-zA-Z0-9_])',
+	);
+	protected $em_strong_relist = array(
+		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?![\.,:;]?\s)',
+		'***' => '(?<![\s*])\*\*\*(?!\*)',
+		'___' => '(?<![\s_])___(?![a-zA-Z0-9_])',
+	);
+
+	/**
+	 * Parse text into paragraphs
+	 * @param  string $text String to process in paragraphs
+	 * @param  boolean $wrap_in_p Whether paragraphs should be wrapped in <p> tags
+	 * @return string       HTML output
+	 */
+	protected function formParagraphs($text, $wrap_in_p = true) {
+		// Strip leading and trailing lines:
+		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
+
+		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
+
+		// Wrap <p> tags and unhashify HTML blocks
+		foreach ($grafs as $key => $value) {
+			$value = trim($this->runSpanGamut($value));
+			
+			// Check if this should be enclosed in a paragraph.
+			// Clean tag hashes & block tag hashes are left alone.
+			$is_p = $wrap_in_p && !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
+			
+			if ($is_p) {
+				$value = "<p>$value</p>";
+			}
+			$grafs[$key] = $value;
+		}
+		
+		// Join grafs in one text, then unhash HTML tags. 
+		$text = implode("\n\n", $grafs);
+		
+		// Finish by removing any tag hashes still present in $text.
+		$text = $this->unhash($text);
+		
+		return $text;
+	}
+	
+	
+	/**
+	 * Footnotes - Strips link definitions from text, stores the URLs and
+	 * titles in hash references.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function stripFootnotes($text) {
+		$less_than_tab = $this->tab_width - 1;
+
+		// Link defs are in the form: [^id]: url "optional title"
+		$text = preg_replace_callback('{
+			^[ ]{0,' . $less_than_tab . '}\[\^(.+?)\][ ]?:	# note_id = $1
+			  [ ]*
+			  \n?					# maybe *one* newline
+			(						# text = $2 (no blank lines allowed)
+				(?:					
+					.+				# actual text
+				|
+					\n				# newlines but 
+					(?!\[.+?\][ ]?:\s)# negative lookahead for footnote or link definition marker.
+					(?!\n+[ ]{0,3}\S)# ensure line is not blank and followed 
+									# by non-indented content
+				)*
+			)		
+			}xm',
+			array($this, '_stripFootnotes_callback'),
+			$text);
+		return $text;
+	}
+
+	/**
+	 * Callback for stripping footnotes
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _stripFootnotes_callback($matches) {
+		$note_id = $this->fn_id_prefix . $matches[1];
+		$this->footnotes[$note_id] = $this->outdent($matches[2]);
+		return ''; // String that will replace the block
+	}
+
+	/**
+	 * Replace footnote references in $text [^id] with a special text-token 
+	 * which will be replaced by the actual footnote marker in appendFootnotes.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doFootnotes($text) {
+		if (!$this->in_anchor) {
+			$text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
+		}
+		return $text;
+	}
+
+	/**
+	 * Append footnote list to text
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function appendFootnotes($text) {
+		$text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
+			array($this, '_appendFootnotes_callback'), $text);
+	
+		if (!empty($this->footnotes_ordered)) {
+			$text .= "\n\n";
+			$text .= "<div class=\"footnotes\">\n";
+			$text .= "<hr" . $this->empty_element_suffix . "\n";
+			$text .= "<ol>\n\n";
+
+			$attr = "";
+			if ($this->fn_backlink_class != "") {
+				$class = $this->fn_backlink_class;
+				$class = $this->encodeAttribute($class);
+				$attr .= " class=\"$class\"";
+			}
+			if ($this->fn_backlink_title != "") {
+				$title = $this->fn_backlink_title;
+				$title = $this->encodeAttribute($title);
+				$attr .= " title=\"$title\"";
+			}
+			$backlink_text = $this->fn_backlink_html;
+			$num = 0;
+			
+			while (!empty($this->footnotes_ordered)) {
+				$footnote = reset($this->footnotes_ordered);
+				$note_id = key($this->footnotes_ordered);
+				unset($this->footnotes_ordered[$note_id]);
+				$ref_count = $this->footnotes_ref_count[$note_id];
+				unset($this->footnotes_ref_count[$note_id]);
+				unset($this->footnotes[$note_id]);
+				
+				$footnote .= "\n"; // Need to append newline before parsing.
+				$footnote = $this->runBlockGamut("$footnote\n");				
+				$footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
+					array($this, '_appendFootnotes_callback'), $footnote);
+				
+				$attr = str_replace("%%", ++$num, $attr);
+				$note_id = $this->encodeAttribute($note_id);
+
+				// Prepare backlink, multiple backlinks if multiple references
+				$backlink = "<a href=\"#fnref:$note_id\"$attr>$backlink_text</a>";
+				for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
+					$backlink .= " <a href=\"#fnref$ref_num:$note_id\"$attr>$backlink_text</a>";
+				}
+				// Add backlink to last paragraph; create new paragraph if needed.
+				if (preg_match('{</p>$}', $footnote)) {
+					$footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
+				} else {
+					$footnote .= "\n\n<p>$backlink</p>";
+				}
+				
+				$text .= "<li id=\"fn:$note_id\">\n";
+				$text .= $footnote . "\n";
+				$text .= "</li>\n\n";
+			}
+			
+			$text .= "</ol>\n";
+			$text .= "</div>";
+		}
+		return $text;
+	}
+
+	/**
+	 * Callback for appending footnotes
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _appendFootnotes_callback($matches) {
+		$node_id = $this->fn_id_prefix . $matches[1];
+		
+		// Create footnote marker only if it has a corresponding footnote *and*
+		// the footnote hasn't been used by another marker.
+		if (isset($this->footnotes[$node_id])) {
+			$num =& $this->footnotes_numbers[$node_id];
+			if (!isset($num)) {
+				// Transfer footnote content to the ordered list and give it its
+				// number
+				$this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
+				$this->footnotes_ref_count[$node_id] = 1;
+				$num = $this->footnote_counter++;
+				$ref_count_mark = '';
+			} else {
+				$ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
+			}
+
+			$attr = "";
+			if ($this->fn_link_class != "") {
+				$class = $this->fn_link_class;
+				$class = $this->encodeAttribute($class);
+				$attr .= " class=\"$class\"";
+			}
+			if ($this->fn_link_title != "") {
+				$title = $this->fn_link_title;
+				$title = $this->encodeAttribute($title);
+				$attr .= " title=\"$title\"";
+			}
+			
+			$attr = str_replace("%%", $num, $attr);
+			$node_id = $this->encodeAttribute($node_id);
+			
+			return
+				"<sup id=\"fnref$ref_count_mark:$node_id\">".
+				"<a href=\"#fn:$node_id\"$attr>$num</a>".
+				"</sup>";
+		}
+		
+		return "[^" . $matches[1] . "]";
+	}
+		
+	
+	/**
+	 * Abbreviations - strips abbreviations from text, stores titles in hash
+	 * references.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function stripAbbreviations($text) {
+		$less_than_tab = $this->tab_width - 1;
+
+		// Link defs are in the form: [id]*: url "optional title"
+		$text = preg_replace_callback('{
+			^[ ]{0,' . $less_than_tab . '}\*\[(.+?)\][ ]?:	# abbr_id = $1
+			(.*)					# text = $2 (no blank lines allowed)	
+			}xm',
+			array($this, '_stripAbbreviations_callback'),
+			$text);
+		return $text;
+	}
+
+	/**
+	 * Callback for stripping abbreviations
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _stripAbbreviations_callback($matches) {
+		$abbr_word = $matches[1];
+		$abbr_desc = $matches[2];
+		if ($this->abbr_word_re) {
+			$this->abbr_word_re .= '|';
+		}
+		$this->abbr_word_re .= preg_quote($abbr_word);
+		$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
+		return ''; // String that will replace the block
+	}
+
+	/**
+	 * Find defined abbreviations in text and wrap them in <abbr> elements.
+	 * @param  string $text
+	 * @return string
+	 */
+	protected function doAbbreviations($text) {
+		if ($this->abbr_word_re) {
+			// cannot use the /x modifier because abbr_word_re may 
+			// contain significant spaces:
+			$text = preg_replace_callback('{' .
+				'(?<![\w\x1A])' .
+				'(?:' . $this->abbr_word_re . ')' .
+				'(?![\w\x1A])' .
+				'}',
+				array($this, '_doAbbreviations_callback'), $text);
+		}
+		return $text;
+	}
+
+	/**
+	 * Callback for processing abbreviations
+	 * @param  array $matches
+	 * @return string
+	 */
+	protected function _doAbbreviations_callback($matches) {
+		$abbr = $matches[0];
+		if (isset($this->abbr_desciptions[$abbr])) {
+			$desc = $this->abbr_desciptions[$abbr];
+			if (empty($desc)) {
+				return $this->hashPart("<abbr>$abbr</abbr>");
+			} else {
+				$desc = $this->encodeAttribute($desc);
+				return $this->hashPart("<abbr title=\"$desc\">$abbr</abbr>");
+			}
+		} else {
+			return $matches[0];
+		}
+	}
+}
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php
new file mode 100644
index 0000000..c4e9ac7
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php
@@ -0,0 +1,9 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the MarkdownInterface interface.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php
new file mode 100644
index 0000000..8512e37
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Markdown  -  A text-to-HTML conversion tool for web writers
+ *
+ * @package   php-markdown
+ * @author    Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Parser Interface 
+ */
+interface MarkdownInterface {
+	/**
+	 * Initialize the parser and return the result of its transform method.
+	 * This will work fine for derived classes too.
+	 *
+	 * @api
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public static function defaultTransform($text);
+
+	/**
+	 * Main function. Performs some preprocessing on the input text
+	 * and pass it through the document gamut.
+	 *
+	 * @api
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public function transform($text);
+}
diff --git a/vendor/michelf/php-markdown/Readme.md b/vendor/michelf/php-markdown/Readme.md
new file mode 100644
index 0000000..0444071
--- /dev/null
+++ b/vendor/michelf/php-markdown/Readme.md
@@ -0,0 +1,384 @@
+PHP Markdown
+============
+
+PHP Markdown Lib 1.7.0 - 29 Oct 2016
+
+by Michel Fortin  
+<https://michelf.ca/>
+
+based on Markdown by John Gruber  
+<https://daringfireball.net/>
+
+
+Introduction
+------------
+
+This is a library package that includes the PHP Markdown parser and its 
+sibling PHP Markdown Extra with additional features.
+
+Markdown is a text-to-HTML conversion tool for web writers. Markdown
+allows you to write using an easy-to-read, easy-to-write plain text
+format, then convert it to structurally valid XHTML (or HTML).
+
+"Markdown" is actually two things: a plain text markup syntax, and a 
+software tool, originally written in Perl, that converts the plain text 
+markup to HTML. PHP Markdown is a port to PHP of the original Markdown 
+program by John Gruber.
+
+*	[Full documentation of the Markdown syntax](<https://daringfireball.net/projects/markdown/>)  
+	— Daring Fireball (John Gruber)
+*	[Markdown Extra syntax additions](<https://michelf.ca/projects/php-markdown/extra/>)  
+	— Michel Fortin
+
+
+Requirement
+-----------
+
+This library package requires PHP 5.3 or later.
+
+Note: The older plugin/library hybrid package for PHP Markdown and
+PHP Markdown Extra is still maintained and will work with PHP 4.0.5 and later.
+
+Before PHP 5.3.7, pcre.backtrack_limit defaults to 100 000, which is too small
+in many situations. You might need to set it to higher values. Later PHP 
+releases defaults to 1 000 000, which is usually fine.
+
+
+Usage
+-----
+
+This library package is meant to be used with class autoloading. For autoloading 
+to work, your project needs have setup a PSR-0-compatible autoloader. See the 
+included Readme.php file for a minimal autoloader setup. (If you cannot use 
+autoloading, see below.)
+
+With class autoloading in place, putting the 'Michelf' folder in your 
+include path should be enough for this to work:
+
+	use \Michelf\Markdown;
+	$my_html = Markdown::defaultTransform($my_text);
+
+Markdown Extra syntax is also available the same way:
+
+	use \Michelf\MarkdownExtra;
+	$my_html = MarkdownExtra::defaultTransform($my_text);
+
+If you wish to use PHP Markdown with another text filter function 
+built to parse HTML, you should filter the text *after* the `transform`
+function call. This is an example with [PHP SmartyPants][psp]:
+
+	use \Michelf\Markdown, \Michelf\SmartyPants;
+	$my_html = Markdown::defaultTransform($my_text);
+	$my_html = SmartyPants::defaultTransform($my_html);
+
+All these examples are using the static `defaultTransform` static function 
+found inside the parser class. If you want to customize the parser 
+configuration, you can also instantiate it directly and change some 
+configuration variables:
+
+	use \Michelf\MarkdownExtra;
+	$parser = new MarkdownExtra;
+	$parser->fn_id_prefix = "post22-";
+	$my_html = $parser->transform($my_text);
+
+To learn more, see the full list of [configuration variables].
+
+ [configuration variables]: https://michelf.ca/projects/php-markdown/configuration/
+
+
+### Usage without an autoloader
+
+If you cannot use class autoloading, you can still use `include` or `require` 
+to access the parser. To load the `\Michelf\Markdown` parser, do it this way:
+
+	require_once 'Michelf/Markdown.inc.php';
+
+Or, if you need the `\Michelf\MarkdownExtra` parser:
+
+	require_once 'Michelf/MarkdownExtra.inc.php';
+
+While the plain `.php` files depend on autoloading to work correctly, using the
+`.inc.php` files instead will eagerly load the dependencies that would be 
+loaded on demand if you were using autoloading.
+
+
+Public API and Versioning Policy
+---------------------------------
+
+Version numbers are of the form *major*.*minor*.*patch*.
+
+The public API of PHP Markdown consist of the two parser classes `Markdown`
+and `MarkdownExtra`, their constructors, the `transform` and `defaultTransform`
+functions and their configuration variables. The public API is stable for
+a given major version number. It might get additions when the minor version
+number increments.
+
+**Protected members are not considered public API.** This is unconventional 
+and deserves an explanation. Incrementing the major version number every time 
+the underlying implementation of something changes is going to give
+nonessential version numbers for the vast majority of people who just use the
+parser.  Protected members are meant to create parser subclasses that behave in
+different ways. Very few people create parser subclasses. I don't want to 
+discourage it by making everything private, but at the same time I can't 
+guarantee any stable hook between versions if you use protected members.
+
+**Syntax changes** will increment the minor number for new features, and the 
+patch number for small corrections. A *new feature* is something that needs a 
+change in the syntax documentation. Note that since PHP Markdown Lib includes
+two parsers, a syntax change for either of them will increment the minor 
+number. Also note that there is nothing perfectly backward-compatible with the
+Markdown syntax: all inputs are always valid, so new features always replace
+something that was previously legal, although generally nonsensical to do.
+
+
+Bugs
+----
+
+To file bug reports please send email to:
+<michel.fortin@michelf.ca>
+
+Please include with your report: (1) the example input; (2) the output you
+expected; (3) the output PHP Markdown actually produced.
+
+If you have a problem where Markdown gives you an empty result, first check 
+that the backtrack limit is not too low by running `php --info | grep pcre`.
+See Installation and Requirement above for details.
+
+
+Development and Testing
+-----------------------
+
+Pull requests for fixing bugs are welcome. Proposed new features are
+going to be meticulously reviewed -- taking into account backward compatibility, 
+potential side effects, and future extensibility -- before deciding on
+acceptance or rejection.
+
+If you make a pull request that includes changes to the parser please add 
+tests for what is being changed to [MDTest][] and make a pull request there 
+too.
+
+ [MDTest]: https://github.com/michelf/mdtest/
+
+
+Donations
+---------
+
+If you wish to make a donation that will help me devote more time to 
+PHP Markdown, please visit [michelf.ca/donate] or send Bitcoin to
+[1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH].
+
+ [michelf.ca/donate]: https://michelf.ca/donate/#!Thanks%20for%20PHP%20Markdown
+ [1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH]: bitcoin:1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH
+
+
+Version History
+---------------
+
+PHP Markdown Lib 1.7.0 (29 Oct 2016)
+
+*	Added a `hard_wrap` configuration variable to make all newline characters 
+	in the text become `<br>` tags in the HTML output. By default, according 
+	to the standard Markdown syntax these newlines are ignored unless they a 
+	preceded by two spaces. Thanks to Jonathan Cohlmeyer for the implementation.
+
+*	Improved the parsing of list items to fix problematic cases that came to 
+	light with the addition of `hard_wrap`. This should have no effect on the 
+	output except span-level list items that ended with two spaces (and thus 
+	ended with a line break).
+
+*	Added a `code_span_content_func` configuration variable which takes a 
+	function that will convert the content of the code span to HTML. This can
+	be useful to implement syntax highlighting. Although contrary to its 
+	code block equivalent, there is no syntax for specifying a language. 
+	Credits to styxit for the implementation.
+
+*	Fixed a Markdwon Extra issue where two-space-at-end-of-line hard breaks 
+	wouldn't work inside of HTML block elements such as `<p markdown="1">` 
+	where the element expects only span-level content.
+
+*	In the parser code, switched to PHPDoc comment format. Thanks to 
+	Robbie Averill for the help.
+
+
+PHP Markdown Lib 1.6.0 (23 Dec 2015)  
+
+Note: this version was incorrectly released as 1.5.1 on Dec 22, a number 
+that contradicted the versioning policy.
+
+*	For fenced code blocks in Markdown Extra, can now set a class name for the 
+	code block's language before the special attribute block. Previously, this 
+	class name was only allowed in the absence of the special attribute block.
+
+*	Added a `code_block_content_func` configuration variable which takes a 
+	function that will convert the content of the code block to HTML. This is 
+	most useful for syntax highlighting. For fenced code blocks in Markdown 
+	Extra, the function has access to the language class name (the one outside 
+	of the special attribute block). Credits to Mario Konrad for providing the 
+	implementation.
+
+*	The curled arrow character for the backlink in footnotes is now followed
+	by a Unicode variant selector to prevent it from being displayed in emoji
+	form on iOS.
+
+	Note that in older browsers the variant selector is often interpreted as a 
+	separate character, making it visible after the arrow. So there is now a 
+	also a `fn_backlink_html` configuration variable that can be used to set 
+	the link text to something else. Credits to Dana for providing the 
+	implementation.
+
+*	Fixed an issue in MarkdownExtra where long header lines followed by a
+	special attribute block would hit the backtrack limit an cause an empty
+	string to be returned.
+
+
+PHP Markdown Lib 1.5.0 (1 Mar 2015)
+
+*	Added the ability start ordered lists with a number different from 1 and
+	and have that reflected in the HTML output. This can be enabled with
+	the `enhanced_ordered_lists` configuration variable for the Markdown 
+	parser; it is enabled by default for Markdown Extra.
+	Credits to Matt Gorle for providing the implementation.
+
+*	Added the ability to insert custom HTML attributes with simple values 
+	everywhere an extra attribute block is allowed (links, images, headers).
+	The value must be unquoted, cannot contains spaces and is limited to 
+	alphanumeric ASCII characters.
+	Credits to Peter Droogmans for providing the implementation.
+
+*	Added a `header_id_func` configuration variable which takes a function
+	that can generate an `id` attribute value from the header text.
+	Credits to Evert Pot for providing the implementation.
+
+*	Added a `url_filter_func` configuration variable which takes a function
+	that can rewrite any link or image URL to something different.
+
+
+PHP Markdown Lib 1.4.1 (4 May 2014)
+
+*	The HTML block parser will now treat `<figure>` as a block-level element
+	(as it should) and no longer wrap it in `<p>` or parse it's content with 
+	the as Markdown syntax (although with Extra you can use `markdown="1"`
+	if you wish to use the Markdown syntax inside it).
+
+*	The content of `<style>` elements will now be left alone, its content
+	won't be interpreted as Markdown.
+
+*	Corrected an bug where some inline links with spaces in them would not
+	work even when surounded with angle brackets:
+	
+		[link](<s p a c e s>)
+
+*	Fixed an issue where email addresses with quotes in them would not always
+	have the quotes escaped in the link attribute, causing broken links (and
+	invalid HTML).
+
+*	Fixed the case were a link definition following a footnote definition would
+	be swallowed by the footnote unless it was separated by a blank line.
+
+
+PHP Markdown Lib 1.4.0 (29 Nov 2013)
+
+*	Added support for the `tel:` URL scheme in automatic links.
+
+		<tel:+1-111-111-1111>
+	
+	It gets converted to this (note the `tel:` prefix becomes invisible):
+	
+		<a href="tel:+1-111-111-1111">+1-111-111-1111</a>
+
+*	Added backtick fenced code blocks to MarkdownExtra, originally from
+	Github-Flavored Markdown.
+
+*	Added an interface called MarkdownInterface implemented by both
+	the Markdown and MarkdownExtra parsers. You can use the interface if
+	you want to create a mockup parser object for unit testing.
+
+*	For those of you who cannot use class autoloading, you can now
+	include `Michelf/Markdown.inc.php` or `Michelf/MarkdownExtra.inc.php` (note 
+	the 	`.inc.php` extension) to automatically include other files required
+	by the parser.
+
+
+PHP Markdown Lib 1.3 (11 Apr 2013)
+
+This is the first release of PHP Markdown Lib. This package requires PHP 
+version 5.3 or later and is designed to work with PSR-0 autoloading and, 
+optionally with Composer. Here is a list of the changes since 
+PHP Markdown Extra 1.2.6:
+
+*	Plugin interface for WordPress and other systems is no longer present in
+	the Lib package. The classic package is still available if you need it:
+	<https://michelf.ca/projects/php-markdown/classic/>
+
+*	Added `public` and `protected` protection attributes, plus a section about
+	what is "public API" and what isn't in the Readme file.
+
+*	Changed HTML output for footnotes: now instead of adding `rel` and `rev`
+	attributes, footnotes links have the class name `footnote-ref` and
+	backlinks `footnote-backref`.
+
+*	Fixed some regular expressions to make PCRE not shout warnings about POSIX
+	collation classes (dependent on your version of PCRE).
+
+*	Added optional class and id attributes to images and links using the same
+	syntax as for headers:
+
+		[link](url){#id .class}  
+		![img](url){#id .class}
+	
+	It work too for reference-style links and images. In this case you need
+	to put those attributes at the reference definition:
+
+		[link][linkref] or [linkref]  
+		![img][linkref]
+		
+		[linkref]: url "optional title" {#id .class}
+
+*	Fixed a PHP notice message triggered when some table column separator 
+	markers are missing on the separator line below column headers.
+
+*	Fixed a small mistake that could cause the parser to retain an invalid
+	state related to parsing links across multiple runs. This was never 
+	observed (that I know of), but it's still worth fixing.
+
+
+Copyright and License
+---------------------
+
+PHP Markdown Lib
+Copyright (c) 2004-2016 Michel Fortin
+<https://michelf.ca/>  
+All rights reserved.
+
+Based on Markdown  
+Copyright (c) 2003-2005 John Gruber   
+<https://daringfireball.net/>   
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+*   Redistributions of source code must retain the above copyright 
+    notice, this list of conditions and the following disclaimer.
+
+*   Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the 
+    distribution.
+
+*   Neither the name "Markdown" nor the names of its contributors may
+    be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+This software is provided by the copyright holders and contributors "as
+is" and any express or implied warranties, including, but not limited
+to, the implied warranties of merchantability and fitness for a
+particular purpose are disclaimed. In no event shall the copyright owner
+or contributors be liable for any direct, indirect, incidental, special,
+exemplary, or consequential damages (including, but not limited to,
+procurement of substitute goods or services; loss of use, data, or
+profits; or business interruption) however caused and on any theory of
+liability, whether in contract, strict liability, or tort (including
+negligence or otherwise) arising in any way out of the use of this
+software, even if advised of the possibility of such damage.
diff --git a/vendor/michelf/php-markdown/Readme.php b/vendor/michelf/php-markdown/Readme.php
new file mode 100644
index 0000000..89449de
--- /dev/null
+++ b/vendor/michelf/php-markdown/Readme.php
@@ -0,0 +1,31 @@
+<?php
+
+// This file passes the content of the Readme.md file in the same directory
+// through the Markdown filter. You can adapt this sample code in any way
+// you like.
+
+// Install PSR-0-compatible class autoloader
+spl_autoload_register(function($class){
+	require preg_replace('{\\\\|_(?!.*\\\\)}', DIRECTORY_SEPARATOR, ltrim($class, '\\')).'.php';
+});
+
+// Get Markdown class
+use \Michelf\Markdown;
+
+// Read file and pass content through the Markdown parser
+$text = file_get_contents('Readme.md');
+$html = Markdown::defaultTransform($text);
+
+?>
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>PHP Markdown Lib - Readme</title>
+    </head>
+    <body>
+		<?php
+			// Put HTML content in the document
+			echo $html;
+		?>
+    </body>
+</html>
diff --git a/vendor/michelf/php-markdown/composer.json b/vendor/michelf/php-markdown/composer.json
new file mode 100644
index 0000000..36a4f74
--- /dev/null
+++ b/vendor/michelf/php-markdown/composer.json
@@ -0,0 +1,31 @@
+{
+	"name": "michelf/php-markdown",
+	"type": "library",
+	"description": "PHP Markdown",
+	"homepage": "https://michelf.ca/projects/php-markdown/",
+	"keywords": ["markdown"],
+	"license": "BSD-3-Clause",
+	"authors": [
+		{
+			"name": "Michel Fortin",
+			"email": "michel.fortin@michelf.ca",
+			"homepage": "https://michelf.ca/",
+			"role": "Developer"
+		},
+		{
+			"name": "John Gruber",
+			"homepage": "https://daringfireball.net/"
+		}
+	],
+	"require": {
+		"php": ">=5.3.0"
+	},
+	"autoload": {
+ 		"psr-0": { "Michelf": "" }
+	},
+	"extra": {
+		"branch-alias": {
+			"dev-lib": "1.4.x-dev"
+		}
+	}
+}