anchor.diff:        } else {
           currentFrame = null;
         }
  +      input.focus();
       });
     }
   
  
positive.code:   RootCommand cmd;
    DebuggerPageElement page;
    DebuggerConsoleElement console;
    DebuggerStackElement stackElement;
    ServiceMap stack;
    String exceptions = "none";  // Last known setting.
  
negative.code:     debugger.stackElement = stackElement;
      stackElement.debugger = debugger;
      debugger.console = $['console'];
      debugger.input = $['commandline'];
      debugger.input.debugger = debugger;
      debugger.init();
    }
  }
  
  @CustomTag('debugger-stack')
  