article would not expire

[Katsuhiro Kondou]

In article <200106250133.IAA11625 at banyan.cs.ait.ac.th>,
        Olivier Nicole <on at cs.ait.ac.th> wrote;

} But still some groups contains very old stuff (this is just an
} example), it seems that articles are never removed:

Can you read those articles thru nnrpd?  I suspect not.
It tells those are not listed in overview data, if so.
Then you need to recreate overview data by makehistory.
--
Katsuhiro Kondou