2003-07-15  Morten Welinder  <terra@gnome.org>

	* src/commands.c (cmd_selection_clear): Avoid a pointless strlen.

	* src/clipboard.c (cellregion_to_string): Avoid a silly copy of
	the result (and a few pointless strlens).

	* src/formats.c (style_format_number): Avoid making a copy of the
	format.