> What's wrong with the last-modified date? I checked it the
> other day, and it looked fine to me ...
>
> Does it *have* to be a header() from php? I thought the
> meta-tag was okay ...
>
Yes, it has to be a header() :(
Try lwp-request -de -mHEAD
http://archives.postgresql.org/pgsql-www/2004-09/msg00176.php
That does not return last-modified.
... John