Re: gnus-search-imap and quoted queries

[Eric Abrahamsen <eric@ericabrahamsen.net>]

Sergio Durigan Junior <sergiodj@sergiodj.net> writes:

> On Tuesday, April 19 2022, I wrote:
>
>> I have GNUS configured to use a local Dovecot IMAP server (a fairly
>> common setup, I think) and I've been trying to get gnus-search-imap
>> working.  I set gnus-search-use-parsed-queries to t, by the way.
>>
>> I noticed that when I specify a quoted query as the search input, the
>> results don't reflect what I'd expect.
>
> FWIW, I finally had some time to look deeper into this and found that
> the culprit was the Dovecot FTS plugin I was using (fts-xapian).
> It doesn't follow the IMAP RFC strictly and therefore can't/won't do
> substring searches.
>
> I'm now using another Xapian-based plugin called fts-flatcurve which
> DTRT.
>
> Thanks for the help, it's been fun investigating this problem.

Hey that's pretty interesting. Looks like I'm using lucene, which seems
to work fine. I wonder if it merits a brief mention in the manual that
different backends behave differently.