Option: custom_undo_redo_keyboard_shortcuts

This option enables you to disable/enable the usage of keyboard shortcuts for undo/redo. This feature is enabled by default. Keyboard shortcurs are Ctrl+Z for undo, Ctrl+Y for redo.

Example of usage of the custom_undo_redo_keyboard_shortcuts option:

tinyMCE.init({
	...
	custom_undo_redo_keyboard_shortcuts : "false"
});