427 					var commands = gantt.$keyboardNavigation.shortcuts.parse(shortcut);
537 			var shortcuts = gantt.$keyboardNavigation.shortcuts;
538 			var hash = shortcuts.getHash(command);
562 			var shortcuts = gantt.$keyboardNavigation.shortcuts;
564 			var commands = shortcuts.parse(shortcut);
566 				this._handlers[shortcuts.getHash(commands[i])] = handler;
570 			var shortcuts = gantt.$keyboardNavigation.shortcuts;
572 			var commands = shortcuts.parse(shortcut);
574 				if (this._handlers[shortcuts.getHash(commands[i])]) {
575 					delete this._handlers[shortcuts.getHash(commands[i])];
607 	gantt.$keyboardNavigation.shortcuts = {  class in gantt.$keyboardNavigation
910 			var command = gantt.$keyboardNavigation.shortcuts.getCommandFromEvent(e);