2000-05-02  Gene Z. Ragan  <gzr@eazel.com>

	* libnautilus-extensions/nautilus-entry.c
	Connected widget to undo manager.
	(nautilus_entry_initialize),
	(nautilus_entry_destroy),
	(nautilus_entry_key_press):
	Added check for ctl-z.  An undo is requested when the key combination
	is triggered.
	(nautilus_entry_changed):
	Added undo registration when text is modified.
	(save_undo_snapshot_callback),
	(restore_from_undo_snapshot_callback):
	Standard undo manager callbacks
	(nautilus_entry_enable_undo):
	Added new function. Pass in boolean value to enable or disable
	undo functionality.