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Re: Maybe a bug after df89d6d6dc429e638e425536d1c201b5373f2abd

From: Adam Sjøgren
Subject: Re: Maybe a bug after df89d6d6dc429e638e425536d1c201b5373f2abd
Date: Sat, 28 Dec 2019 02:17:22 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Lars writes:

> Garjola Dindi <> writes:
>> I have a strange behaviour with recent versions of gnus (in emacs
>> master and branch emacs-27).
>> When I try to subscribe to a group in the *Browse server buffer*, all
>> groups appear with the ’K’ mark and the subscribe command ’u’ does not
>> subscribe (the ’K’ still appears and the group is not subscribed).
> This was due to a recent change -- whenever a group changed level, it
> would put a nil onto gnus-newsrc-alist, thereby making it invalid.
> I've now pushed a fix for this to both emacs-27 and the trunk.

Is this a fix for:

  7b3b27eef1325b41187f2e9cc898644d5eae9ff3 is the first bad commit
  commit 7b3b27eef1325b41187f2e9cc898644d5eae9ff3
  Author: Stefan Monnier <>
  Date:   Sun Dec 22 16:09:31 2019 -0500

      * lisp/gnus/gnus-start.el: Use lexical-binding

      (gnus-group-change-level, gnus-make-hashtable-from-newsrc-alist):
      Use gnus-info-make.
      (gnus-make-hashtable-from-newsrc-alist): Prefer `gnus-info-group`
      to `car` when applied to a `gnus-info` object.
      (gnus-make-hashtable-from-killed): Remove unused vars `lists` and `list`.
      (gnus-gnus-to-quick-newsrc-format): Extract common code from if branches.

      * lisp/gnus/gnus.el (gnus-info-make): New constructor.

   lisp/gnus/gnus-start.el | 59 
   lisp/gnus/gnus.el       |  4 ++++
   2 files changed, 31 insertions(+), 32 deletions(-)


I just bisected the problem that Garjola and I have hit, where if you
press u on an unsubscribed group, you get an error, and when quitting
Gnus you get something like this (with toggle-debug-on-error):

  Debugger entered--Lisp error: (wrong-type-argument stringp nil)
    encode-coding-string(nil utf-8-emacs)
    #f(compiled-function (info) #<bytecode 0x1564b3c89a85>)(nil)
    mapcar(#f(compiled-function (info) #<bytecode 0x1564b3c89a85>) (nil 
("" [...cut...] ...))
    call-interactively(gnus-group-exit nil nil)

and when quitting Emacs, it asks if .newsrc.eld should be saved (which
will save an almost empty file).

  Best regards,


 "It's a shite state of affairs to be in, and no            Adam Sjøgren
  amount of fresh air is ever going to change that."

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