2000-11-08  Jody Goldberg <jgoldberg@home.com>

	* src/clipboard.c (apply_paste_oper_to_values) : Rewrite to use
	  eval_expr.
	(paste_cell_with_operation) : rework to handle pasting as_value
	  correctly.
	(paste_link) : This is broken.  FIXME.
	(paste_cell) : Move the check for pasting content or as_value to the
	  top.

	* src/cell.c (cell_make_value) : Unlink expressions if necessary.

	* src/sheet.c (sheet_cell_set_expr) : flag that content changed.

	* src/dependent.c (dependent_queue_recalc_list) : Add some safety.

	* src/item-cursor.c (item_cursor_event) : clicking on an anted cursor
	  is almost the same as clicking on a selection cursor.

	* src/expr-name.c (expr_name_add) : It is legal to add names that are
	  available in other scopes as long as the new scope does not contiain
	  the name.