2000-12-20  Jody Goldberg <jgoldberg@home.com>

	* src/selection.c (selection_is_simple) : Handle merged cells and
	  arrays.

	* src/sheet.c (sheet_relocate_merged) : new function.

	* src/sheet-object.c (sheet_relocate_objects) : we only need to move
	  objects in the origin zone.