anchor.diff:          if (!params.editComment)
             form(name="AddComment",id="AddComment", action="#{layout.htmlroot}/article/#{article.id}/addComment", method="post")
               textarea.form-control(name="comment" id="comment" rows=7 placeholder="Your comment is shared between all weekly teams. \nSo please use english if possible. Do not hesitate to use your language and address your team with @LANG.\nTo solve a comment use #solved, and to reopen #open in your text.\nUse @OSMUser to address any special editor.")
  -            button.btn.btn-large.btn-primary(type = "button" onclick ="window.onbeforeunload=null; document.getElementById('AddComment').submit();") Add Comment
  +            button.btn.btn-large.btn-primary(type = "button" onclick ="if (document.getElementById('comment').value.trim()==='') return;window.onbeforeunload=null; document.getElementById('AddComment').submit();") Add Comment
               button.btn.btn-large.btn-default(type = "button" onclick ="window.onbeforeunload=null; location.href='#{layout.htmlroot}/article/#{article.id}?style=#{params.style}';") Cancel
   
     .row
  
positive.code:         addComment.onkeyup = f;
          f();
        }
        editComment = document.getElementById("EditComment");
        if (editComment) {
          f = onChangeField("EditComment");
          editComment.onchange = f;
          editComment.onkeyup = f;
          f();
  
negative.code:                 - open = true;
            if open
              p
                button.btn.btn-small.btn-default(type = "button" onclick ="window.onbeforeunload=null; location.href='#{layout.htmlroot}/article/#{article.id}?style=#{params.style}&addCommentnotranslation=true';") notranslation to rest
  
  
  
  