Changed behaviour so that it is intuitive w.r.t. absolute names. If 'prefix' is absolute then 'suffix' must be NULL. If 'prefix' or 'suffix' is absolute then the result is absolute.
Changed behaviour so that it is intuitive w.r.t. absolute names. If 'prefix' is absolute then 'suffix' must be NULL. If 'prefix' or 'suffix' is absolute then the result is absolute.