Added a copy of Firebug Lite for debugging purposes. License is uncertain but being treated as MPL. (If is is not MPL then it is under something more permissive that permits relicensing anyway)
(function(){tinymce.create('tinymce.plugins.BBCodePlugin',{init:function(ed,url){var t=this,dialect=ed.getParam('bbcode_dialect','punbb').toLowerCase();ed.onBeforeSetContent.add(function(ed,o){o.content=t['_'+dialect+'_bbcode2html'](o.content);});ed.onPostProcess.add(function(ed,o){if(o.set)o.content=t['_'+dialect+'_bbcode2html'](o.content);if(o.get)o.content=t['_'+dialect+'_html2bbcode'](o.content);});},getInfo:function(){return{longname:'BBCode Plugin',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/bbcode',version:tinymce.majorVersion+"."+tinymce.minorVersion};},_punbb_html2bbcode:function(s){s=tinymce.trim(s);function rep(re,str){s=s.replace(re,str);};rep(/<a.*?href=\"(.*?)\".*?>(.*?)<\/a>/gi,"[url=$1]$2[/url]");rep(/<font.*?color=\"(.*?)\".*?class=\"codeStyle\".*?>(.*?)<\/font>/gi,"[code][color=$1]$2[/color][/code]");rep(/<font.*?color=\"(.*?)\".*?class=\"quoteStyle\".*?>(.*?)<\/font>/gi,"[quote][color=$1]$2[/color][/quote]");rep(/<font.*?class=\"codeStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[code][color=$1]$2[/color][/code]");rep(/<font.*?class=\"quoteStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[quote][color=$1]$2[/color][/quote]");rep(/<span style=\"color: ?(.*?);\">(.*?)<\/span>/gi,"[color=$1]$2[/color]");rep(/<font.*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[color=$1]$2[/color]");rep(/<span style=\"font-size:(.*?);\">(.*?)<\/span>/gi,"[size=$1]$2[/size]");rep(/<font>(.*?)<\/font>/gi,"$1");rep(/<img.*?src=\"(.*?)\".*?\/>/gi,"[img]$1[/img]");rep(/<span class=\"codeStyle\">(.*?)<\/span>/gi,"[code]$1[/code]");rep(/<span class=\"quoteStyle\">(.*?)<\/span>/gi,"[quote]$1[/quote]");rep(/<strong class=\"codeStyle\">(.*?)<\/strong>/gi,"[code][b]$1[/b][/code]");rep(/<strong class=\"quoteStyle\">(.*?)<\/strong>/gi,"[quote][b]$1[/b][/quote]");rep(/<em class=\"codeStyle\">(.*?)<\/em>/gi,"[code][i]$1[/i][/code]");rep(/<em class=\"quoteStyle\">(.*?)<\/em>/gi,"[quote][i]$1[/i][/quote]");rep(/<u class=\"codeStyle\">(.*?)<\/u>/gi,"[code][u]$1[/u][/code]");rep(/<u class=\"quoteStyle\">(.*?)<\/u>/gi,"[quote][u]$1[/u][/quote]");rep(/<\/(strong|b)>/gi,"[/b]");rep(/<(strong|b)>/gi,"[b]");rep(/<\/(em|i)>/gi,"[/i]");rep(/<(em|i)>/gi,"[i]");rep(/<\/u>/gi,"[/u]");rep(/<span style=\"text-decoration: ?underline;\">(.*?)<\/span>/gi,"[u]$1[/u]");rep(/<u>/gi,"[u]");rep(/<br \/>/gi,"\n");rep(/<br\/>/gi,"\n");rep(/<br>/gi,"\n");rep(/<p>/gi,"");rep(/<\/p>/gi,"\n");rep(/ /gi," ");rep(/"/gi,"\"");rep(/</gi,"<");rep(/>/gi,">");rep(/&/gi,"&");return s;},_punbb_bbcode2html:function(s){s=tinymce.trim(s);function rep(re,str){s=s.replace(re,str);};rep(/\n/gi,"<br />");rep(/\[b\]/gi,"<strong>");rep(/\[\/b\]/gi,"</strong>");rep(/\[i\]/gi,"<em>");rep(/\[\/i\]/gi,"</em>");rep(/\[u\]/gi,"<u>");rep(/\[\/u\]/gi,"</u>");rep(/\[url=([^\]]+)\](.*?)\[\/url\]/gi,"<a href=\"$1\">$2</a>");rep(/\[url\](.*?)\[\/url\]/gi,"<a href=\"$1\">$1</a>");rep(/\[img\](.*?)\[\/img\]/gi,"<img src=\"$1\" />");rep(/\[color=(.*?)\](.*?)\[\/color\]/gi,"<font color=\"$1\">$2</font>");rep(/\[code\](.*?)\[\/code\]/gi,"<span class=\"codeStyle\">$1</span> ");rep(/\[quote.*?\](.*?)\[\/quote\]/gi,"<span class=\"quoteStyle\">$1</span> ");return s;}});tinymce.PluginManager.add('bbcode',tinymce.plugins.BBCodePlugin);})();