[debbugs-tracker] bug#25522: closed (26.0.50; (hl-line-maybe-unhighlight): (error "Selecting deleted buffer"))

[GNU bug Tracking System]

Your message dated Sat, 28 Jan 2017 20:52:56 +0100
with message-id <address@hidden>
and subject line Re: bug#25522: 26.0.50; (hl-line-maybe-unhighlight): (error 
"Selecting deleted buffer")
has caused the debbugs.gnu.org bug report #25522,
regarding 26.0.50; (hl-line-maybe-unhighlight): (error "Selecting deleted 
buffer")
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
25522: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=25522
GNU Bug Tracking System
Contact address@hidden with problems
> --- Begin Message ---
>
>
>
> Subject: 
>
> 26.0.50; (hl-line-maybe-unhighlight): (error "Selecting deleted buffer")
>
>
>
>
> Date: 
>
> Wed, 25 Jan 2017 00:26:39 +0100
>
>
>
>
> Hi,
>
> this is on master.  When exiting Gnus, I always get
>
>   Error in post-command-hook (hl-line-maybe-unhighlight): (error "Selecting 
> deleted buffer")
>
> Seems that the new definition of `hl-line-maybe-unhighlight' in commit
>
>   16be3e9054 hl-line.el: Fix flickering of highlighted line (bug#23510)
>
> (by Stephen Berman whom I CC'd)
>
> should test whether the `hl-line-overlay-buffer' is alive before trying
> to switch to it?
>
> Please tell me if you need a recipe.
>
>
> Thanks,
>
> Michael.
>
>
>
>
>
> In GNU Emacs 26.0.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.22.6)
>  of 2017-01-24 built on drachen
> Repository revision: 201dfe311868932d10da146808fcdd681948ba53
> Windowing system distributor 'The X.Org Foundation', version 11.0.11900000
> System Description:     Debian GNU/Linux 9.0 (stretch)
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#25522: 26.0.50; (hl-line-maybe-unhighlight): (error "Selecting deleted buffer")
>
>
>
>
> Date: 
>
> Sat, 28 Jan 2017 20:52:56 +0100
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)
>
>
>
>
> On Fri, 27 Jan 2017 10:29:07 +0100 Michael Heerdegen <address@hidden> wrote:
>
> > Stephen Berman <address@hidden> writes:
> >
> >> I think I found out what triggers the error: when you kill a buffer in
> >> whose mode hl-line-mode is enabled and the mode of the next (now
> >> current) buffer does not have hl-line-mode enabled, and then you change
> >> (or Emacs changes) to another buffer in whose mode hl-line-mode is
> >> enabled -- that raises the error.  Can you confirm this?
> >
> > Could be.  In my posted recipes, when I turn off hl-line-mode in the
> > buffer I end up in, there is indeed no error.  An experiment with three
> > buffers as you described and switching manually to the third also
> > confirms your assumption.
> >
> >> Just out of curiosity, because I think the above fix is good enough
> >> and it's simple, so unless someone sees a problem with it, I'll commit
> >> it to master.
> >
> > Yes, it's obvious that it isn't harmful.
> >
> >
> > Thanks,
> >
> > Michael
>
> Pushed as commit d12e1dd and closing the bug.
>
> Steve Berman
>
>
> --- End Message ---