2000-01-04  Jody Goldberg <jgoldberg@home.com>

	* src/commands.[ch] : New files.

	* src/workbook-view.c (workbook_view_set_undo_redo_state) : Take
	  strings to use as suffixes to undo and redo.  NULL indicates
	  disabled.

	* src/sheet.c (sheet_set_current_value) : Use cmd_set_text to register
	  undo.

	* src/workbook.c (workbook_menu_view) : Make The formula toggle a
	  toggle item.
	(workbook_menu_insert) : Move the insert object menu item here,
	  and adjust the selector characters to make more sense.
	(undo_cmd, redo_cmd) : Enable.

	(workbook_init) : Init the undo/redo lists.
	(workbook_do_destroy) : Clear the undo/redo lists.
	(wb_input_finished) : Delete.  It was the same as accept_input.