[RFC] nnmbox and first-time users

[Didier Verna <didier@lrde.epita.fr>]

        The nnmbox backend uses ~/.mbox by default. IMHO, it should have used
something more gnusy (or is there a rationale behind this value ?), at least
honoring gnus-directory, and probably message-directory. Obviously, I
understand that such an important variable cannot have its default changed
like that.

        Still, there might be interference problems with other software that
use ~/.mbox (like mutt). I've done a quick test with an mbox already filled
with one message by mutt, and starting a first-time gnus session. The message
is not erased, but will not be seen by gnus. That can be disconcerting and I
suspect much more serious stuff can happen with other software / other
situations.

        What if we made first-time gnus check if nnmbox is used, if the mbox
file already exists, and in that case, issue a warning, advice to move it away
and abort ?

-- 
Didier Verna, didier@lrde.epita.fr, http://www.lrde.epita.fr/~didier

EPITA / LRDE, 14-16 rue Voltaire   Tel.+33 (1) 53 14 59 47
94276 Le Kremlin-Bicêtre, France   Fax.+33 (1) 53 14 59 22   didier@xemacs.org