rem: optgroupObject.prototype.canDestroy = function canDestroy(prompt) {  return gDialog.nextChild(treeSelection.currentIndex) - treeSelection.currentIndex == 1; /*&& (!prompt || ConfirmWithTitle(GetString("DeleteOptGroup"), GetString("DeleteOptGroupMsg"), GetString("DeleteOptGroup"))); */ }; 
add: canDestroy:       function canDestroy(prompt) { return false; }, 
context: optgroupObject.prototype.canDestroy = function canDestroy(prompt){  // Only removing empty option groups for now  return gDialog.nextChild(treeSelection.currentIndex) - treeSelection.currentIndex == 1;/*&& (!prompt ||    ConfirmWithTitle(GetString("DeleteOptGroup"),                     GetString("DeleteOptGroupMsg"),                     GetString("DeleteOptGroup")));*/};
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6dceef4315bd486ca5e20832f0dae6155950bd3c/EdSelectProps.js/clean/editor/ui/dialogs/content/EdSelectProps.js