anchor.diff:      markdownRIGHT = document.getElementById("markdownRIGHT");
       markdownRIGHT.onchange = onchangeRIGHT;
       markdownRIGHT.onkeyup = onchangeRIGHT;
  +    noTranslationText = document.getElementById("text_right").innerHTML;
      
       coll = document.getElementById("collection");
       coll.onchange = onchangeCollection;
  
positive.code:     function onchangeLEFT() {
        var md = document.getElementById("markdownLEFT").value;
        previewLEFT = document.getElementById("previewLEFT");
        
        previewLEFT.innerHTML = convert(md);
        var longLink = md.search(/\[[^\]]{30,}\]/g);
        if (longLink>=0) {
          previewLEFT.style.backgroundColor="#FDC6CD";
          }
        else {
           previewLEFT.style.backgroundColor="";
          }
        }
      function onchangeRIGHT() {
        var mdEN = document.getElementById("markdownRIGHT").value;
        previewRIGHT = document.getElementById("previewRIGHT");
        
        previewRIGHT.innerHTML = convert(mdEN);
        var longLink = mdEN.search(/\[[^\]]{40,}\]/g);
        if (longLink>=0) {
          previewRIGHT.style.backgroundColor="#FDC6CD";
          }
        else {
           previewRIGHT.style.backgroundColor="";
          }
        }
        function onchangeCollection() {
          var cl = document.getElementById("collection").value;
  
negative.code:             | Markdown 
            +leftcolumn
              textarea.form-control(id="markdownLEFT" name = "markdown#{params.left_lang}" rows=7) #{article["markdown"+params.left_lang]}
              div(id="text_left")
                | 'no translation' to specify no translation wanted.
   
            +rightcolumn
              textarea.form-control(id="markdownRIGHT" name = "markdown#{params.right_lang}" rows=7) #{article["markdown"+params.right_lang]}
              div(id="text_right")
                | 'no translation' to specify no translation wanted.
            .col-md-1
  
              if ((params.left_lang=="DE") || (params.right_lang=="DE"))
  