2002-03-05  Jody Goldberg <jody@gnome.org>

	* src/eval.c (link_single_dep) : flag inter-{sheet,book} references.
	(link_cellrange_dep) : ditto.
	(link_expr_dep) : collect the flags.
	(dependent_link) : and assign them here.
	(dependent_unlink_sheet) : delete and merge into.
	(do_deps_destroy) : here.  And use the new inter-{sheet,book} flags to
	  avoid removing internal links.

	* src/sheet.c (sheet_destroy_contents) : depends are now handled
	  outside this routine add a precondition.

	* src/main.c : delete style_debugging.

	* src/clipboard.c (clipboard_copy_range) : suppress warning.