2001-12-28  Jody Goldberg <jody@gnome.org>

	* src/sheet.c (sheet_destroy) : be more forgiving about exit errors.
	(sheet_destroy_contents) : Remove stupid hash clearing.  Just delete
	  the thing.

	* src/eval.c (dependent_unlink) : Add a bogus krufty nasty unpleasant
	  hack to disable the unlink optimization for sheet objects.