Sun Jan 17 20:36:45 GMT 1999 Adam D. Moss <adam@gimp.org>

	* app/gimage_cmds.c app/gimpimage.c app/layers_dialog.c

	Guides are now duplicated upon image duplication.
	Guides are now scaled upon image scaling.
	Lowering, raising, and renaming a layer now correctly
	mark the image as dirty.