diff --git a/js/showdown-1.4.1.js b/js/showdown-1.4.1.js
deleted file mode 100644
index a42abe6f..00000000
--- a/js/showdown-1.4.1.js
+++ /dev/null
@@ -1 +0,0 @@
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e=d.helper.matchRecursiveRegExp(a,"<code\\b[^>]*>","</code>","gi"),f=0;f<e.length;++f)a=a.replace(e[f][0],"~L"+(c.gHtmlSpans.push(e[f][0])-1)+"L");return a}),d.subParser("unhashHTMLSpans",function(a,b,c){"use strict";for(var d=0;d<c.gHtmlSpans.length;++d)a=a.replace("~L"+d+"L",c.gHtmlSpans[d]);return a}),d.subParser("hashPreCodeTags",function(a,b,c){"use strict";var e=function(a,b,e,f){var g=e+d.subParser("encodeCode")(b)+f;return"\n\n~G"+(c.ghCodeBlocks.push({text:a,codeblock:g})-1)+"G\n\n"};return a=d.helper.replaceRecursiveRegExp(a,e,"^(?: |\\t){0,3}<pre\\b[^>]*>\\s*<code\\b[^>]*>","^(?: |\\t){0,3}</code>\\s*</pre>","gim")}),d.subParser("headers",function(a,b,c){"use strict";function e(a){var b,e=a.replace(/[^\w]/g,"").toLowerCase();return c.hashLinkCounts[e]?b=e+"-"+c.hashLinkCounts[e]++:(b=e,c.hashLinkCounts[e]=1),f===!0&&(f="section"),d.helper.isString(f)?f+b:b}a=c.converter._dispatch("headers.before",a,b,c);var f=b.prefixHeaderId,g=isNaN(parseInt(b.headerLevelStart))?1:parseInt(b.headerLevelStart),h=b.smoothLivePreview?/^(.+)[ \t]*\n={2,}[ \t]*\n+/gm:/^(.+)[ \t]*\n=+[ \t]*\n+/gm,i=b.smoothLivePreview?/^(.+)[ \t]*\n-{2,}[ \t]*\n+/gm:/^(.+)[ \t]*\n-+[ \t]*\n+/gm;return a=a.replace(h,function(a,f){var h=d.subParser("spanGamut")(f,b,c),i=b.noHeaderId?"":' id="'+e(f)+'"',j=g,k="<h"+j+i+">"+h+"</h"+j+">";return d.subParser("hashBlock")(k,b,c)}),a=a.replace(i,function(a,f){var h=d.subParser("spanGamut")(f,b,c),i=b.noHeaderId?"":' id="'+e(f)+'"',j=g+1,k="<h"+j+i+">"+h+"</h"+j+">";return d.subParser("hashBlock")(k,b,c)}),a=a.replace(/^(#{1,6})[ \t]*(.+?)[ \t]*#*\n+/gm,function(a,f,h){var i=d.subParser("spanGamut")(h,b,c),j=b.noHeaderId?"":' id="'+e(h)+'"',k=g-1+f.length,l="<h"+k+j+">"+i+"</h"+k+">";return d.subParser("hashBlock")(l,b,c)}),a=c.converter._dispatch("headers.after",a,b,c)}),d.subParser("images",function(a,b,c){"use strict";function e(a,b,e,f,g,h,i,j){var k=c.gUrls,l=c.gTitles,m=c.gDimensions;if(e=e.toLowerCase(),j||(j=""),""===f||null===f){if((""===e||null===e)&&(e=b.toLowerCase().replace(/ ?\n/g," ")),f="#"+e,d.helper.isUndefined(k[e]))return a;f=k[e],d.helper.isUndefined(l[e])||(j=l[e]),d.helper.isUndefined(m[e])||(g=m[e].width,h=m[e].height)}b=b.replace(/"/g,"&quot;"),b=d.helper.escapeCharacters(b,"*_",!1),f=d.helper.escapeCharacters(f,"*_",!1);var n='<img src="'+f+'" alt="'+b+'"';return j&&(j=j.replace(/"/g,"&quot;"),j=d.helper.escapeCharacters(j,"*_",!1),n+=' title="'+j+'"'),g&&h&&(g="*"===g?"auto":g,h="*"===h?"auto":h,n+=' width="'+g+'"',n+=' height="'+h+'"'),n+=" />"}a=c.converter._dispatch("images.before",a,b,c);var f=/!\[(.*?)]\s?\([ \t]*()<?(\S+?)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*(?:(['"])(.*?)\6[ \t]*)?\)/g,g=/!\[(.*?)][ ]?(?:\n[ ]*)?\[(.*?)]()()()()()/g;return a=a.replace(g,e),a=a.replace(f,e),a=c.converter._dispatch("images.after",a,b,c)}),d.subParser("italicsAndBold",function(a,b,c){"use strict";return a=c.converter._dispatch("italicsAndBold.before",a,b,c),b.literalMidWordUnderscores?(a=a.replace(/(^|\s|>|\b)__(?=\S)([^]+?)__(?=\b|<|\s|$)/gm,"$1<strong>$2</strong>"),a=a.replace(/(^|\s|>|\b)_(?=\S)([^]+?)_(?=\b|<|\s|$)/gm,"$1<em>$2</em>"),a=a.replace(/(\*\*)(?=\S)([^\r]*?\S[*]*)\1/g,"<strong>$2</strong>"),a=a.replace(/(\*)(?=\S)([^\r]*?\S)\1/g,"<em>$2</em>")):(a=a.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,"<strong>$2</strong>"),a=a.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,"<em>$2</em>")),a=c.converter._dispatch("italicsAndBold.after",a,b,c)}),d.subParser("lists",function(a,b,c){"use strict";function e(a,e){c.gListLevel++,a=a.replace(/\n{2,}$/,"\n"),a+="~0";var f=/(\n)?(^[ \t]*)([*+-]|\d+[.])[ \t]+((\[(x|X| )?])?[ \t]*[^\r]+?(\n{1,2}))(?=\n*(~0|\2([*+-]|\d+[.])[ \t]+))/gm,g=/\n[ \t]*\n(?!~0)/.test(a);return a=a.replace(f,function(a,e,f,h,i,j,k){k=k&&""!==k.trim();var l=d.subParser("outdent")(i,b,c),m="";return j&&b.tasklists&&(m=' class="task-list-item" style="list-style-type: none;"',l=l.replace(/^[ \t]*\[(x|X| )?]/m,function(){var a='<input type="checkbox" disabled style="margin: 0px 0.35em 0.25em -1.6em; vertical-align: middle;"';return k&&(a+=" checked"),a+=">"})),e||l.search(/\n{2,}/)>-1?(l=d.subParser("githubCodeBlocks")(l,b,c),l=d.subParser("blockGamut")(l,b,c)):(l=d.subParser("lists")(l,b,c),l=l.replace(/\n$/,""),l=g?d.subParser("paragraphs")(l,b,c):d.subParser("spanGamut")(l,b,c)),l="\n<li"+m+">"+l+"</li>\n"}),a=a.replace(/~0/g,""),c.gListLevel--,e&&(a=a.replace(/\s+$/,"")),a}function f(a,b,c){var d="ul"===b?/^ {0,2}\d+\.[ \t]/gm:/^ {0,2}[*+-][ \t]/gm,f=[],g="";if(-1!==a.search(d)){!function i(a){var f=a.search(d);-1!==f?(g+="\n\n<"+b+">"+e(a.slice(0,f),!!c)+"</"+b+">\n\n",b="ul"===b?"ol":"ul",d="ul"===b?/^ {0,2}\d+\.[ \t]/gm:/^ {0,2}[*+-][ \t]/gm,i(a.slice(f))):g+="\n\n<"+b+">"+e(a,!!c)+"</"+b+">\n\n"}(a);for(var h=0;h<f.length;++h);}else g="\n\n<"+b+">"+e(a,!!c)+"</"+b+">\n\n";return g}a=c.converter._dispatch("lists.before",a,b,c),a+="~0";var g=/^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;return c.gListLevel?a=a.replace(g,function(a,b,c){var d=c.search(/[*+-]/g)>-1?"ul":"ol";return f(b,d,!0)}):(g=/(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm,a=a.replace(g,function(a,b,c,d){var e=d.search(/[*+-]/g)>-1?"ul":"ol";return f(c,e)})),a=a.replace(/~0/,""),a=c.converter._dispatch("lists.after",a,b,c)}),d.subParser("outdent",function(a){"use strict";return a=a.replace(/^(\t|[ ]{1,4})/gm,"~0"),a=a.replace(/~0/g,"")}),d.subParser("paragraphs",function(a,b,c){"use strict";a=c.converter._dispatch("paragraphs.before",a,b,c),a=a.replace(/^\n+/g,""),a=a.replace(/\n+$/g,"");for(var e=a.split(/\n{2,}/g),f=[],g=e.length,h=0;g>h;h++){var i=e[h];i.search(/~(K|G)(\d+)\1/g)>=0?f.push(i):(i=d.subParser("spanGamut")(i,b,c),i=i.replace(/^([ \t]*)/g,"<p>"),i+="</p>",f.push(i))}for(g=f.length,h=0;g>h;h++){for(var j="",k=f[h],l=!1;k.search(/~(K|G)(\d+)\1/)>=0;){var m=RegExp.$1,n=RegExp.$2;j="K"===m?c.gHtmlBlocks[n]:l?d.subParser("encodeCode")(c.ghCodeBlocks[n].text):c.ghCodeBlocks[n].codeblock,j=j.replace(/\$/g,"$$$$"),k=k.replace(/(\n\n)?~(K|G)\d+\2(\n\n)?/,j),/^<pre\b[^>]*>\s*<code\b[^>]*>/.test(k)&&(l=!0)}f[h]=k}return a=f.join("\n\n"),a=a.replace(/^\n+/g,""),a=a.replace(/\n+$/g,""),c.converter._dispatch("paragraphs.after",a,b,c)}),d.subParser("runExtension",function(a,b,c,d){"use strict";if(a.filter)b=a.filter(b,d.converter,c);else if(a.regex){var e=a.regex;!e instanceof RegExp&&(e=new RegExp(e,"g")),b=b.replace(e,a.replace)}return b}),d.subParser("spanGamut",function(a,b,c){"use strict";return a=c.converter._dispatch("spanGamut.before",a,b,c),a=d.subParser("codeSpans")(a,b,c),a=d.subParser("escapeSpecialCharsWithinTagAttributes")(a,b,c),a=d.subParser("encodeBackslashEscapes")(a,b,c),a=d.subParser("images")(a,b,c),a=d.subParser("anchors")(a,b,c),a=d.subParser("autoLinks")(a,b,c),a=d.subParser("encodeAmpsAndAngles")(a,b,c),a=d.subParser("italicsAndBold")(a,b,c),a=d.subParser("strikethrough")(a,b,c),a=a.replace(/  +\n/g," <br />\n"),a=c.converter._dispatch("spanGamut.after",a,b,c)}),d.subParser("strikethrough",function(a,b,c){"use strict";return b.strikethrough&&(a=c.converter._dispatch("strikethrough.before",a,b,c),a=a.replace(/(?:~T){2}([\s\S]+?)(?:~T){2}/g,"<del>$1</del>"),a=c.converter._dispatch("strikethrough.after",a,b,c)),a}),d.subParser("stripBlankLines",function(a){"use strict";return a.replace(/^[ \t]+$/gm,"")}),d.subParser("stripLinkDefinitions",function(a,b,c){"use strict";var e=/^ {0,3}\[(.+)]:[ \t]*\n?[ \t]*<?(\S+?)>?(?: =([*\d]+[A-Za-z%]{0,4})x([*\d]+[A-Za-z%]{0,4}))?[ \t]*\n?[ \t]*(?:(\n*)["|'(](.+?)["|')][ \t]*)?(?:\n+|(?=~0))/gm;return a+="~0",a=a.replace(e,function(a,e,f,g,h,i,j){return e=e.toLowerCase(),c.gUrls[e]=d.subParser("encodeAmpsAndAngles")(f),i?i+j:(j&&(c.gTitles[e]=j.replace(/"|'/g,"&quot;")),b.parseImgDimensions&&g&&h&&(c.gDimensions[e]={width:g,height:h}),"")}),a=a.replace(/~0/,"")}),d.subParser("tables",function(a,b,c){"use strict";function e(a){return/^:[ \t]*--*$/.test(a)?' style="text-align:left;"':/^--*[ \t]*:[ \t]*$/.test(a)?' style="text-align:right;"':/^:[ \t]*--*[ \t]*:$/.test(a)?' style="text-align:center;"':""}function f(a,e){var f="";return a=a.trim(),b.tableHeaderId&&(f=' id="'+a.replace(/ /g,"_").toLowerCase()+'"'),a=d.subParser("spanGamut")(a,b,c),"<th"+f+e+">"+a+"</th>\n"}function g(a,e){var f=d.subParser("spanGamut")(a,b,c);return"<td"+e+">"+f+"</td>\n"}function h(a,b){for(var c="<table>\n<thead>\n<tr>\n",d=a.length,e=0;d>e;++e)c+=a[e];for(c+="</tr>\n</thead>\n<tbody>\n",e=0;e<b.length;++e){c+="<tr>\n";for(var f=0;d>f;++f)c+=b[e][f];c+="</tr>\n"}return c+="</tbody>\n</table>\n"}if(!b.tables)return a;var i=/^[ \t]{0,3}\|?.+\|.+\n[ \t]{0,3}\|?[ \t]*:?[ \t]*(?:-|=){2,}[ \t]*:?[ \t]*\|[ \t]*:?[ \t]*(?:-|=){2,}[^]+?(?:\n\n|~0)/gm;return a=c.converter._dispatch("tables.before",a,b,c),a=a.replace(i,function(a){var b,c=a.split("\n");for(b=0;b<c.length;++b)/^[ \t]{0,3}\|/.test(c[b])&&(c[b]=c[b].replace(/^[ \t]{0,3}\|/,"")),/\|[ \t]*$/.test(c[b])&&(c[b]=c[b].replace(/\|[ \t]*$/,""));var i=c[0].split("|").map(function(a){return a.trim()}),j=c[1].split("|").map(function(a){return a.trim()}),k=[],l=[],m=[],n=[];for(c.shift(),c.shift(),b=0;b<c.length;++b)""!==c[b].trim()&&k.push(c[b].split("|").map(function(a){return a.trim()}));if(i.length<j.length)return a;for(b=0;b<j.length;++b)m.push(e(j[b]));for(b=0;b<i.length;++b)d.helper.isUndefined(m[b])&&(m[b]=""),l.push(f(i[b],m[b]));for(b=0;b<k.length;++b){for(var o=[],p=0;p<l.length;++p)d.helper.isUndefined(k[b][p]),o.push(g(k[b][p],m[p]));n.push(o)}return h(l,n)}),a=c.converter._dispatch("tables.after",a,b,c)}),d.subParser("unescapeSpecialChars",function(a){"use strict";return a=a.replace(/~E(\d+)E/g,function(a,b){var c=parseInt(b);return String.fromCharCode(c)})});var j=this;"undefined"!=typeof module&&module.exports?module.exports=d:"function"==typeof define&&define.amd?define(function(){"use strict";return d}):j.showdown=d}).call(this);
diff --git a/js/showdown-1.6.0.js b/js/showdown-1.6.0.js
new file mode 100644
index 00000000..4bacdaaa
--- /dev/null
+++ b/js/showdown-1.6.0.js
@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require('../src/cli/cli');
diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index 055c7dd7..7a71d6c7 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -65,7 +65,7 @@ if ($SYNTAXHIGHLIGHTING):
 endif;
 if ($MARKDOWN):
 ?>
-		<script type="text/javascript" src="js/showdown-1.4.1.js" integrity="sha512-Kbz1FIlDnqUJu/3yW8H8USzURA3JuUqSKRwz13lM4kWt6C0n6s4tjl81PCfnWtE4gBIzyj5uGePcfUyotk/icw==" crossorigin="anonymous"></script>
+		<script type="text/javascript" src="js/showdown-1.6.0.js" integrity="sha512-yHDzJ1/LQoVrAeiQdjim4MBp7qwWwPDDkEqjTQmu4KMLT5h4lRkhKspC36bl1t1gRhuS7ziFDFWj2NF4dbo5KQ==" crossorigin="anonymous"></script>
 <?php
 endif;
 ?>