anchor.diff:      var okClicked = function(filename) {
         cd.newFileContent(filename, '');
       };
  -    openDialog('new', initialFilename, okInitiallyDisabled, okClicked, avatarName);
  +    openDialog('new', initialFilename, okInitiallyDisabled, okClicked);
     });
   
     renameFile.click(function() {
  
positive.code:     var okClicked = function(filename) {
        renameFileFromTo(initialFilename, filename);
      };
      openDialog('rename', initialFilename, okInitiallyDisabled, okClicked, avatarName);
    });
  
    deleteFile.click(function() {
  
negative.code:     return true;
    };
  
    var fileButtons =  $('#file-operations');
    var newFile = fileButtons.find('#new');
    var renameFile = fileButtons.find('#rename');
  