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From: "Basil L. Contovounesios" via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Eric Abrahamsen <eric@ericabrahamsen.net>,
	49866@debbugs.gnu.org, Pankaj Jangid <pankaj@codeisgreat.org>
Subject: bug#49866: 28.0.50; gnus-summary-exit from the transient search buffer giving error
Date: Fri, 06 Aug 2021 11:22:08 +0100	[thread overview]
Message-ID: <87v94ij2jz.fsf@tcd.ie> (raw)
In-Reply-To: <87y29ec44t.fsf@gnus.org> (Lars Ingebrigtsen's message of "Fri, 06 Aug 2021 11:29:54 +0200")

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Andy points out that the code above should not, by default, raise an
>> error if the `alist-get' call returns nil. Something in both Pankaj and
>> my installation has messed with the map functions so that this returns
>> an error:
>>
>> (map-merge 'list '(1 2 3) nil)
>>
>> I couldn't raise an error with "emacs -Q", instead it returned:
>>
>> ((1 . 2) (3))
>>
>> which also seems wrong, but at least isn't an error.
>
> Oh!
>
> I assumed that map-merge didn't work on nil arguments, too, but didn't
> actually check.  And indeed:
>
> (map-merge 'list nil nil)
> => nil
>
> So...  do you have an older version of map.el from ELPA/MELPA or
> something?

The problem isn't nil, it's '(1 2 3).  That is neither an alist, plist,
nor array, so what is map-merge meant to do with it?  Which are the keys
of the map, and which the values?  Note that a map type of 'list is a
synonym for 'alist.

-- 
Basil





  reply	other threads:[~2021-08-06 10:22 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-04  6:41 bug#49866: 28.0.50; gnus-summary-exit from the transient search buffer giving error Pankaj Jangid
2021-08-04  8:48 ` Lars Ingebrigtsen
2021-08-04 11:09   ` Pankaj Jangid
2021-08-05 10:47     ` Lars Ingebrigtsen
2021-08-05 11:23       ` Pankaj Jangid
2021-08-05 16:34         ` Eric Abrahamsen
2021-08-05 17:06           ` Pankaj Jangid
2021-08-05 17:56             ` Eric Abrahamsen
2021-08-05 18:44               ` Eric Abrahamsen
2021-08-05 18:57                 ` Eric Abrahamsen
2021-08-05 21:35                   ` Eric Abrahamsen
2021-08-06  9:27                     ` Lars Ingebrigtsen
2021-08-06 10:11                       ` Andrew Cohen
2021-08-06  9:58                     ` Pankaj Jangid
2021-08-06 10:21                     ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-06 11:01                       ` Andrew Cohen
2021-08-06 11:04                         ` Andrew Cohen
2021-08-06  0:55                 ` Eric Abrahamsen
2021-08-06  9:29                   ` Lars Ingebrigtsen
2021-08-06 10:22                     ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2021-08-06 10:42                       ` Lars Ingebrigtsen
2021-08-06 11:24                         ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-06 10:44                       ` Lars Ingebrigtsen
2021-08-06 11:25                         ` Basil L. Contovounesios via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-06 16:25                           ` Eric Abrahamsen
2021-08-06 16:57                             ` Eric Abrahamsen
2021-08-06 17:13                               ` Lars Ingebrigtsen
2021-08-06 17:51                               ` akater
2021-08-06 18:05                                 ` akater
2021-08-06 18:47                                   ` Lars Ingebrigtsen
2021-08-06 19:14                                     ` akater
2021-08-06 20:27                                       ` Eric Abrahamsen
2021-08-07  5:26                                         ` Pankaj Jangid
2021-08-07 10:19                                           ` Lars Ingebrigtsen
2021-08-07 16:59                                             ` Pankaj Jangid
2021-08-07 19:40                                             ` akater
2021-08-07 22:56                                           ` Eric Abrahamsen
2021-08-07 23:10                                             ` Eric Abrahamsen
2021-08-07 23:20                                               ` akater
2021-08-07 23:17                                             ` akater
2021-08-09 16:50                                             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-09 23:07                                               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-08-10  4:17                                                 ` Pankaj Jangid
2021-08-06 18:08                                 ` Eric Abrahamsen

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