anchor.diff:        return text;
   
       }
  -
       
       function onchange() {
         var md = document.getElementById("markdown").value;
  
positive.code:             | EN
              textarea.form-control(id="markdownEN" name = "markdownEN" rows=7) #{article.markdownEN}
              | 'german only' to specify no translation wanted.
            
          .row
            .col-md-1
              | Preview
  
negative.code:  
  block scripts                
    script(src='https://cdn.rawgit.com/showdownjs/showdown/master/dist/showdown.min.js')
    script(src="https://cdn.rawgit.com/Triforcey/clip-j/1dbfdfc0646359ee70d714549db947d02705b303/clip-j.js" )
    script.
      markdown = document.getElementById("markdown");
      markdown.onchange = onchange;
  