2001-06-01  Jody Goldberg <jgoldberg@home.com>

	* src/format.c (format_compile) : rewrite, not quite done.

	* src/commands.c (cmd_set_text_undo) : queue a recalc.
	(cmd_clear_redo) : ditto.
	* src/corba-sheet.c (Sheet_clear_region) : ditto.
	(Sheet_clear_region_content) : ditto.
	* src/gui-clipboard.c (x_selection_handler) : ditto.
	* src/sheet-merge.c (sheet_merge_add) : ditto.

	* src/eval.c : switch the depend lists to be singly linked.
	(dep_slist_filter_sheet) : convenience routine.
	(dependent_unqueue_sheet) : Used here.
	(dependent_unlink_sheet) : and here.

	* src/workbook-control-gui.c (display_formulas) :  convert the single
	  lists.