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To: ding@gnus.org
From: Eric Abrahamsen <eric@ericabrahamsen.net>
Subject: Re: Difference between nnmail- and gnus- variables?
Date: Tue, 03 Aug 2021 11:04:36 -0700
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References: <m2pmuuzs4h.fsf@codeisgreat.org>
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Pankaj Jangid <pankaj@codeisgreat.org> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Pankaj Jangid <pankaj@codeisgreat.org> writes:
>>
>>> I want to understand the nomenclature. What is the difference between
>>> ‘nnml-’ and similar ‘gnus-’ variables?
>>
>> In OO terms, nnmail.el can be thought of as an abstract parent class for
>> all backends belonging to the "store messages as files on disk" type of
>> server. It provides settings and functions that are used in common by
>> nnml, nnmbox, nnmaildir, etc.
>
> This clarifies a lot of things for me. Especially, it is now clear that
> this won’t work in my case. Because I am using IMAP.

nnimap mostly uses nnmail for its splitting functions, and it looks like
its expiry settings as well -- that's pretty much it.