GNU bug report logs - #43726
28.0.50; Misaligned read/unread items in Gnus group buffer

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

From: Pankaj Jangid <pankaj <at> optimizory.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Misaligned read/unread items in Gnus group buffer
Date: Wed, 30 Sep 2020 14:42:25 +0530

In the Gnus group buffer, the items are aligned differently when there
are read and unread items in them. I have tried in plain as well topic
mode (by pressing 't'). Earlier, the colons separating the number of
unread articles and backend and group-name were perfectly aligned in
each row. But now it is appearing misaligned. The *bold* group names
i.e. with the ones with unread articles are appearing shifted towards →
right.


In GNU Emacs 28.0.50 (build 6, x86_64-apple-darwin19.6.0, NS appkit-1894.60 Version 10.15.7 (Build 19H2))
 of 2020-09-30 built on BigBook.local
Repository revision: 6c0f1c26d296132e37b2508a00efc73f3df95b0c
Repository branch: master
Windowing system distributor 'Apple', version 10.3.1894
System Description:  Mac OS X 10.15.7

Configured using:
 'configure LDFLAGS=-L/usr/local/opt/ruby/lib
 CPPFLAGS=-I/usr/local/opt/ruby/include
 PKG_CONFIG_PATH=:/usr/local/opt/sqlite/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig:/usr/local/opt/openssl/lib/pkgconfig:/usr/local/opt/libffi/lib/pkgconfig:/usr/local/opt/ruby/lib/pkgconfig'

Configured features:
JPEG TIFF GIF PNG RSVG DBUS GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS NS MODULES THREADS JSON PDUMPER LCMS2

Important settings:
  value of $LC_CTYPE: UTF-8
  value of $LANG: en_IN.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Messages

Minor modes in effect:
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  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
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Memory information:
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 (symbols 48 36377 25)
 (strings 32 117590 9076)
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 (buffers 992 29))

-- 
Pankaj Jangid

GnuPG Fingerprint => 0B62 7424 3B26 A911 052A  DDE6 7C95 6E6F F858 7689

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

From: Robert Pluim <rpluim <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#43726: 28.0.50; Misaligned read/unread items in Gnus group
 buffer
Date: Wed, 30 Sep 2020 18:50:17 +0200

>>>>> On Wed, 30 Sep 2020 14:42:25 +0530, Pankaj Jangid <pankaj <at> optimizory.com> said:

    Pankaj> In the Gnus group buffer, the items are aligned differently when there
    Pankaj> are read and unread items in them. I have tried in plain as well topic
    Pankaj> mode (by pressing 't'). Earlier, the colons separating the number of
    Pankaj> unread articles and backend and group-name were perfectly aligned in
    Pankaj> each row. But now it is appearing misaligned. The *bold* group names
    Pankaj> i.e. with the ones with unread articles are appearing shifted towards →
    Pankaj> right.

Are those lines perhaps using a different font? You can check with
'C-u C-x =' with point on one of the bolded characters.

Robert

-- 

Message #11 received at 43726 <at> debbugs.gnu.org (full text, mbox):

From: Pankaj Jangid <pankaj <at> codeisgreat.org>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: 43726 <at> debbugs.gnu.org
Subject: Re: bug#43726: 28.0.50; Misaligned read/unread items in Gnus group
 buffer
Date: Wed, 30 Sep 2020 22:44:55 +0530

On Wed, Sep 30 2020, Robert Pluim wrote:

>     Pankaj> In the Gnus group buffer, the items are aligned differently when there
>     Pankaj> are read and unread items in them. I have tried in plain as well topic
>     Pankaj> mode (by pressing 't'). Earlier, the colons separating the number of
>     Pankaj> unread articles and backend and group-name were perfectly aligned in
>     Pankaj> each row. But now it is appearing misaligned. The *bold* group names
>     Pankaj> i.e. with the ones with unread articles are appearing shifted towards →
>     Pankaj> right.
>
> Are those lines perhaps using a different font? You can check with
> 'C-u C-x =' with point on one of the bolded characters.

The problem has disappeared on the latest build. I tried to revert to the
commit specified in the bug-report but the problem wasn't there as
well.

It was like this earlier - https://imgur.com/a/wkbj9cc

Message #14 received at 43726 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Pankaj Jangid <pankaj <at> codeisgreat.org>
Cc: Robert Pluim <rpluim <at> gmail.com>, 43726 <at> debbugs.gnu.org
Subject: Re: bug#43726: 28.0.50; Misaligned read/unread items in Gnus group
 buffer
Date: Wed, 30 Sep 2020 19:20:24 +0200

Pankaj Jangid <pankaj <at> codeisgreat.org> writes:

> The problem has disappeared on the latest build. I tried to revert to the
> commit specified in the bug-report but the problem wasn't there as
> well.
>
> It was like this earlier - https://imgur.com/a/wkbj9cc

Looks like Emacs picked a font where the bold space character was wider
than the non-bold space character.  :-/

I'm guessing this was because of an odd set of installed fonts or
something?  In any case, I guess there's nothing to be done here, so I'm
closing thing bug report.

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

Message #19 received at 43726 <at> debbugs.gnu.org (full text, mbox):

From: Pankaj Jangid <pankaj <at> codeisgreat.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Robert Pluim <rpluim <at> gmail.com>, 43726 <at> debbugs.gnu.org
Subject: Re: bug#43726: 28.0.50; Misaligned read/unread items in Gnus group
 buffer
Date: Tue, 06 Oct 2020 11:39:20 +0530

On Wed, Sep 30 2020, Lars Ingebrigtsen wrote:

> Looks like Emacs picked a font where the bold space character was wider
> than the non-bold space character.  :-/

This is true. Both the colons are in column 10. But still
mis-aligned. Today, I have this kind of alignment again. Hence
reposting here.

> I'm guessing this was because of an odd set of installed fonts or
> something?  In any case, I guess there's nothing to be done here, so I'm
> closing thing bug report.

I have this output from ‘C-u C-x =’, on normal font line

--8<---------------cut here---------------start------------->8---
             position: 146 of 1067 (14%), column: 10
            character: : (displayed as :) (codepoint 58, #o72, #x3a)
              charset: ascii (ASCII (ISO646 IRV))
code point in charset: 0x3A
               script: latin
               syntax: . 	which means: punctuation
             category: .:Base, >:Not at bol, a:ASCII, l:Latin, r:Roman
             to input: type "C-x 8 RET 3a" or "C-x 8 RET COLON"
          buffer code: #x3A
            file code: #x3A (encoded by coding system utf-8-unix)
              display: by this font (glyph code)
    mac-ct:-*-Menlo-normal-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x1D)
--8<---------------cut here---------------end--------------->8---

And on bold line,

--8<---------------cut here---------------start------------->8---
             position: 181 of 1067 (17%), column: 10
            character: : (displayed as :) (codepoint 58, #o72, #x3a)
              charset: ascii (ASCII (ISO646 IRV))
code point in charset: 0x3A
               script: latin
               syntax: . 	which means: punctuation
             category: .:Base, >:Not at bol, a:ASCII, l:Latin, r:Roman
             to input: type "C-x 8 RET 3a" or "C-x 8 RET COLON"
          buffer code: #x3A
            file code: #x3A (encoded by coding system utf-8-unix)
              display: by this font (glyph code)
    mac-ct:-*-Menlo-bold-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x1D)
--8<---------------cut here---------------end--------------->8---

See, the position field. What are these 14% and 17% figures?

Message #22 received at 43726 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Pankaj Jangid <pankaj <at> codeisgreat.org>
Cc: larsi <at> gnus.org, rpluim <at> gmail.com, 43726 <at> debbugs.gnu.org
Subject: Re: bug#43726: 28.0.50;
 Misaligned read/unread items in Gnus group buffer
Date: Tue, 06 Oct 2020 10:05:25 +0300

> From: Pankaj Jangid <pankaj <at> codeisgreat.org>
> Date: Tue, 06 Oct 2020 11:39:20 +0530
> Cc: Robert Pluim <rpluim <at> gmail.com>, 43726 <at> debbugs.gnu.org
> 
> I have this output from ‘C-u C-x =’, on normal font line
> 
> --8<---------------cut here---------------start------------->8---
>              position: 146 of 1067 (14%), column: 10
>             character: : (displayed as :) (codepoint 58, #o72, #x3a)
>               charset: ascii (ASCII (ISO646 IRV))
> code point in charset: 0x3A
>                script: latin
>                syntax: . 	which means: punctuation
>              category: .:Base, >:Not at bol, a:ASCII, l:Latin, r:Roman
>              to input: type "C-x 8 RET 3a" or "C-x 8 RET COLON"
>           buffer code: #x3A
>             file code: #x3A (encoded by coding system utf-8-unix)
>               display: by this font (glyph code)
>     mac-ct:-*-Menlo-normal-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x1D)
> --8<---------------cut here---------------end--------------->8---
> 
> And on bold line,
> 
> --8<---------------cut here---------------start------------->8---
>              position: 181 of 1067 (17%), column: 10
>             character: : (displayed as :) (codepoint 58, #o72, #x3a)
>               charset: ascii (ASCII (ISO646 IRV))
> code point in charset: 0x3A
>                script: latin
>                syntax: . 	which means: punctuation
>              category: .:Base, >:Not at bol, a:ASCII, l:Latin, r:Roman
>              to input: type "C-x 8 RET 3a" or "C-x 8 RET COLON"
>           buffer code: #x3A
>             file code: #x3A (encoded by coding system utf-8-unix)
>               display: by this font (glyph code)
>     mac-ct:-*-Menlo-bold-normal-normal-*-12-*-*-*-m-0-iso10646-1 (#x1D)
> --8<---------------cut here---------------end--------------->8---
> 
> See, the position field. What are these 14% and 17% figures?

They tell you that buffer position 146 is 14% into the file and
position 181 is 17% into the file.  IOW, unrelated to the issue at
hand.

Message #25 received at 43726 <at> debbugs.gnu.org (full text, mbox):

From: Pankaj Jangid <pankaj.jangid <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Robert Pluim <rpluim <at> gmail.com>, 43726 <at> debbugs.gnu.org
Subject: Re: bug#43726: 28.0.50; Misaligned read/unread items in Gnus group
 buffer
Date: Wed, 07 Oct 2020 09:50:59 +0530

And the issue disappears when I open Gnus in emacs-27 and then again
open Gnus on emacs-master.

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