> See also Michael N.'s response.  I'm not sure what criteria one would
> use in choosing one over the other, aside from brevity.  (The criterion
> I used was that this was what came to mind :-)

I read yours before I saw Michael's and I've already changed the code, so
that reduces the likelihood of me changing again it to something approaching
zero :-).

I prefer "obvious" code to brevity, anyway ... although, I do prefer
brief, obvious code even more!