/* Return: TRUE if c is an upper or lower case alphabetical character, FALSE otherwise.  */
static gboolean is_rfc2234_alpha(guint8 c)
/* Return: TRUE if c is an upper or lower case alphabetical character, FALSE otherwise.  */
static gboolean is_rfc2234_alpha(guint8 c)
{
	return ((c <= 'Z' && c >= 'A' ) || (c <= 'z' && c >= 'a'));
}