GNU bug report logs - #35219
27.0.50; Problems with nnimap groups with non-ASCII characters

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eric Abrahamsen <eric <at> ericabrahamsen.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#35219: closed (27.0.50; Problems with nnimap groups with
 non-ASCII characters)
Date: Fri, 19 Apr 2019 16:16:02 +0000

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Your message dated Fri, 19 Apr 2019 09:14:54 -0700
with message-id <87wojqdla9.fsf <at> ericabrahamsen.net>
and subject line Re: bug#35219: 27.0.50; Problems with nnimap groups with non-ASCII characters
has caused the debbugs.gnu.org bug report #35219,
regarding 27.0.50; Problems with nnimap groups with non-ASCII characters
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; Problems with nnimap groups with non-ASCII characters
Date: Wed, 10 Apr 2019 15:15:34 +0200

This started showing up yesterday after recent changes in Gnus:

To reproduce: Create an nnimap group called "Tést".  Restarting Gnus
will properly create the group "Tést", but Gnus will also say

nnimap read 12k from quimby.gnus.org (initial sync of 3 groups; please wait)

If you then quit Gnus and restart Gnus, this group will appear:

       *: nnimap+quimby.gnus.org:T\351st

If you try to kill it, all the groups in the buffer will disappear.

So something went wrong during whatever the most recent group-related
changes were.  :-)


In GNU Emacs 27.0.50 (build 3, x86_64-pc-linux-gnu, GTK+ Version 3.22.11)
 of 2019-04-09 built on stories
Repository revision: 44b306d3510e54432b76724583ea9405f1c90686
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.11604000
System Description: Debian GNU/Linux 9 (stretch)


-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
To: Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: 35219-done <at> debbugs.gnu.org, Andy Moreton <andrewjmoreton <at> gmail.com>,
 35219 <at> debbugs.gnu.org
Subject: Re: bug#35219: 27.0.50;
 Problems with nnimap groups with non-ASCII characters
Date: Fri, 19 Apr 2019 09:14:54 -0700

Katsumi Yamaoka <yamaoka <at> jpl.org> writes:

> On Thu, 18 Apr 2019 16:53:54 -0700, Eric Abrahamsen wrote:
>>>> Andy Moreton <andrewjmoreton <at> gmail.com> writes:
>>>>> I see a similar symptom, but with a different recipe:
>>>>>  - start Gnus
>>>>>  - open the server buffer, select a server, and subscribe to a new group
>>>>>  - quit the server buffer
>>>>>  - in the group buffer, kill the group line for the new group
>>>>> At this point, emacs is busy but unresponsive. Breaking in with ^G
>>>>> results in emacs becoming responsive agin, but all of the group lines
>>>>> disappear from the group buffer.
> [...]
>>> After more testing, it seems that this wrong display depends on using
>>> topics in the group buffer. If I toggle topics off ('t' in the group
>>> buffer) then killing the newly added group appears to work normally.
> [...]
>
> I found what is happening then, too.  At first such a new group
> is registered in only `gnus-newsrc-hashtb', not `gnus-active-hashtb'.
> When trying to kill the group in the group buffer of the topic mode,
> during the course of the procedures `gnus-group-change-level'
> deletes the group from `gnus-newsrc-hashtb', even so
> `gnus-group-goto-group' tries to go to the group, and fails.
>
> I also realized what `gnus-group-goto-group' does when the group
> is not found in the hash tables is nonsense.
>
> [...]
>> Yamaoka-san, this would revert some of your changes.
>
> Not revert but great improve.  What is especially great is that
> making `g-g-g-g' needless to refer to the hash tables:

Yes, I like how this is simpler now.

>> - (let ((start (point))
>> -	  (active (and (or
>> -                        ;; Some kind of group may be only there.
>> -                        (gnus-active group)
>> -                        ;; All groups (but with exception) are there.
>> -                        (gnus-group-entry group))
>> -		       group)))
>> +    (let ((start (point)))
> [...]
>>  		      (gnus-text-property-search
>> -		       'gnus-group active 'forward 'goto))
>> +		       'gnus-group group 'forward 'goto))

[...]

>
> Anyway there is no other problem so far, so please push the patch.

Done! Thanks to both of you for testing.

Eric

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