anchor.diff:        if (placeholder[c]) {
            categoryDisplay.innerHTML = placeholder[c];    
           }
  +    }
  +
  +    function onchangeTitle() {
  +      var t = title.value;
  +      okButton.disabled=true;
  +      if (t.length>5) okButton.disabled=false;
       }
      
    
  
positive.code:             .col-md-1
                | Title <br>
              .col-md-11
                textarea.form-control(name="title",rows=1)
                   
            .row
              .col-md-1
                | Collection <br>
              .col-md-11
                textarea.form-control(name="collection",rows=7) #{search}
  
  block scripts                
    script(src='https://cdn.jsdelivr.net/markdown-it/5.0.1/markdown-it.min.js')
  
negative.code:       categoryDisplay = document.getElementById("categoryDisplay");
        categoryEN = document.getElementById("categoryEN");
        categoryEN.onchange = onchangeCategory;
        okButton = document.getElementById("OK");
        title = document.getElementById("title");
        title.onchange = onchangeTitle;
        title.onkeyup = onchangeTitle;
        onchangeTitle();
        onchangeCategory();
      }
  
  