GNU bug report logs - #22842
"O" subjects persist, even though their bodies have been deleted by "E"

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: submit <at> debbugs.gnu.org (The Gnus Bugfixing Girls + Boys)
Subject: "O" subjects persist,
 even though their bodies have been deleted by "E"
Date: Mon, 29 Feb 2016 04:48:08 +0800

Do ESC 999999 RET in the Group buffer with cursor placed upon e.g.,
(nnml:)mail.misc .

[RET (translated from <return>) runs the command
gnus-group-select-group
If ALL is a positive number, fetch this number of the latest
articles in the group.]

You will see tons of "O" articles
that cannot be read and who knows why they should still be listed.

These are articles that I hit E on (making them marked as E) and more
than a week has passed. In fact years. Normally one never sees them
again, until one day I hit the above 999...

We read in
(info "(gnus) Expiring Mail")
‘E’
     Marked as expirable (‘gnus-expirable-mark’).

     Marking articles as "expirable" (or have them marked as such
     automatically) doesn’t make much sense in normal groups—a user
     doesn’t control expiring of news articles, but in mail groups, for
     instance, articles marked as "expirable" can be deleted by Gnus at
     any time.

‘O’
     Articles that were marked as read in previous sessions and are now
     "old" (‘gnus-ancient-mark’).

And in (info "(gnus) Expiring Mail") no mention of why Subjects will
remain whilst their bodies are gone.

So it must be a bug!

My configuration files can be seen in
http://jidanni.org/comp/configuration/

P.S., the *Gnus Help Bug* buffer should be called *Gnus Bug Help*, or
mention within it why not.

Also in (info "(gnus) Expiring Mail") etc. please just use ASCII
"you'll have problems... don't really mix very well." because
"you’ll have problems... don’t really mix very well."
looks terrible.

Gnus v5.13
GNU Emacs 24.5.1 (i586-pc-linux-gnu, GTK+ Version 3.18.6)
 of 2016-01-23 on x86-csail-01, modified by Debian

Message #8 received at 22842 <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: 22842 <at> debbugs.gnu.org
Subject: not always, but sometimes
Date: Mon, 29 Feb 2016 08:09:00 +0800

It seems that
   E runs the command gnus-summary-mark-as-expirable
usually works.
The article and its subject line in the index are deleted after a week.
But occasionally the subject line of some articles remain in the index.

Message #11 received at 22842 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 22842 <at> debbugs.gnu.org
Subject: Re: bug#22842: not always, but sometimes
Date: Thu, 26 Jan 2017 23:54:30 +0100

M9< Dan Jacobson <jidanni <at> jidanni.org> writes:

> It seems that
>    E runs the command gnus-summary-mark-as-expirable
> usually works.
> The article and its subject line in the index are deleted after a week.
> But occasionally the subject line of some articles remain in the index.

The server caches them, perhaps?  This doesn't seem like a bug, though.

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

Message #16 received at 22842 <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 22842 <at> debbugs.gnu.org
Subject: Re: bug#22842: Subjects from long ago linger
Date: Wed, 01 Feb 2017 08:02:16 +0800

I swear it's horrible.
On your main mailbox one day just out of curiosity do
C-u 9999 RET
Do you see lots of O and E marked articles, from years ago,
that turn into G when you try to see them, because their bodies aren't there?

LI> The server caches them, perhaps?  This doesn't seem like a bug, though.

Well there should be a command I can use to clean the cache...

Wait, I'll try
gnus-group-list-cached
that shows that I have no groups with cached articles.

And it also makes all my groups disappear. And not even "A u" will get
them back!

Let's hope quitting and then restarting gnus will get them back.

It did, thank God.

Anyways you got a problem.

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