anchor.diff:          return true;
       }
   }
  --------------------------------------------------------------------
  +----------------------------------------------------------------------------
   
   ==== LAZY
   
  
positive.code: provide a own via:
  
  [source,java]
  -------------------------------------------------------------------
  @Specializes
  public class MyClientWindowConfig extends DefaultClientWindowConfig
  {
  
negative.code:         return "<html><body>Loading...</body></html>";
      }
  }
  ----------------------------------------------------------------------------
  
  If you didn't copy the JS logic from our default windowhandler.html or
  if you would like to always show your custom html instead the 'screenshot', you should disable logic via:
  
  [source,java]
  ----------------------------------------------------------------------------
  @Specializes
  public class MyClientWindowConfig extends DefaultClientWindowConfig
  {
  