2001-07-07  Almer S. Tigelaar  <almer@gnome.org>

	* fn-string.c (gnumeric_char): Beautify.
	(gnumeric_code): Simplify, no need to check type.
	(gnumeric_lower): Use gstrdown.
	(gnumeric_mid): Beautify, no need to check type.
	(gnumeric_upper): Use gstrup.
	(gnumeric_concatenate): Drastically simplify using GString.
	(gnumeric_replace): Idem.