should set_time_zone always return $dt?

[Bill Moseley]

set_time_zone returns undef if the new time zone is the same as the
old.  Is that by design?

I got caught doing this:

    return $self->class_time->set_time_zone( $tz );

in the cases when $tz was not changing.


-- 
Bill Moseley
[EMAIL PROTECTED]