Fixed the duplicate slots view.
The script would not clear the screen upon recalculation also the list of duplicates would increase with every iteration because the variables weren't properly reset.
Patch by: Merio Ferraro, Lennard de Rijk
Reviewed by: to-be-reviewed
(function(){tinymce.create('tinymce.plugins.VisualChars',{init:function(ed,url){var t=this;t.editor=ed;ed.addCommand('mceVisualChars',t._toggleVisualChars,t);ed.addButton('visualchars',{title:'visualchars.desc',cmd:'mceVisualChars'});ed.onBeforeGetContent.add(function(ed,o){if(t.state){t.state=true;t._toggleVisualChars();}});},getInfo:function(){return{longname:'Visual characters',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/visualchars',version:tinymce.majorVersion+"."+tinymce.minorVersion};},_toggleVisualChars:function(){var t=this,ed=t.editor,nl,i,h,d=ed.getDoc(),b=ed.getBody(),nv,s=ed.selection,bo;t.state=!t.state;ed.controlManager.setActive('visualchars',t.state);if(t.state){nl=[];tinymce.walk(b,function(n){if(n.nodeType==3&&n.nodeValue&&n.nodeValue.indexOf('\u00a0')!=-1)nl.push(n);},'childNodes');for(i=0;i<nl.length;i++){nv=nl[i].nodeValue;nv=nv.replace(/(\u00a0+)/g,'<span class="mceItemHidden mceVisualNbsp">$1</span>');nv=nv.replace(/\u00a0/g,'\u00b7');ed.dom.setOuterHTML(nl[i],nv,d);}}else{nl=tinymce.grep(ed.dom.select('span',b),function(n){return ed.dom.hasClass(n,'mceVisualNbsp');});for(i=0;i<nl.length;i++)ed.dom.setOuterHTML(nl[i],nl[i].innerHTML.replace(/(·|\u00b7)/g,' '),d);}}});tinymce.PluginManager.add('visualchars',tinymce.plugins.VisualChars);})();