GNU bug report logs - #46436
27.1.91; Font weight issue on MacOS Big Sur

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

From: Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1.91; Font weight issue on MacOS Big Sur
Date: Thu, 11 Feb 2021 10:24:38 +0100

Hello,

All the informations on font weight appear to be stripped out in Mac OS Big Sur ; as a result, a single weight takes precedence over the others.
As an example, if I install say Roboto Mono Light, I can see the font via M-x describe-font as :

-*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1

The ‘light’ weight information does not appear. As a consequence, if I now install Roboto Mono Regular, this is what I get:

-*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1

The two fonts having the same handler, one takes precedence over the other (and all the text now appears as a long fat headline).
Testing the same process under macOS Catalina (the previous OS) on another computer, this is what I get after installing Roboto Mono Light :

-*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1

And after installing Roboto Mono Regular :

-*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1
-*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
-*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1

The font weight information is here preserved and I can select different variants of the font. So it seems like the problem really pertains to MacOS Big Sur.
Many thanks in advance for your help,

Arnaud

——

In GNU Emacs 27.1.91 (build 1, x86_64-apple-darwin20.3.0, NS appkit-2022.30 Version 11.2 (Build 20D64))
 of 2021-02-11 built on Arnauds-MacBook-Pro.local
Repository revision: d03f2a6ee942882c5bc78226b4730dac6f1d0916
Repository branch: emacs-27
Windowing system distributor 'Apple', version 10.3.2022
System Description:  macOS 11.2

Recent messages:
Loading /Users/antko/.emacs.d/sanity.el (source)...done
Loading /Users/antko/.emacs.d/elegance_big_sur.el (source)...
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...
End of buffer [7 times]
Quit
Making completion list... [2 times]
Quit [2 times]
Making completion list...

Configured using:
 'configure --with-ns'

Configured features:
RSVG GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS XIM
NS MODULES THREADS JSON PDUMPER LCMS2 GMP

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

Major mode: Special

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  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
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  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
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Message #8 received at 46436 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr>
Cc: 46436 <at> debbugs.gnu.org
Subject: Re: bug#46436: 27.1.91; Font weight issue on MacOS Big Sur
Date: Tue, 31 Aug 2021 20:22:04 +0100

Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr> writes:

> All the informations on font weight appear to be stripped out in Mac OS Big Sur ; as a result, a single weight takes precedence over the others.
> As an example, if I install say Roboto Mono Light, I can see the font via M-x describe-font as :
>
> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
>
> The ‘light’ weight information does not appear. As a consequence, if I now install Roboto Mono Regular, this is what I get:
>
> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
>
> The two fonts having the same handler, one takes precedence over the other (and all the text now appears as a long fat headline).
> Testing the same process under macOS Catalina (the previous OS) on another computer, this is what I get after installing Roboto Mono Light :
>
> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1
>
> And after installing Roboto Mono Regular :
>
> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1
> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
>
> The font weight information is here preserved and I can select different variants of the font. So it seems like the problem really pertains to MacOS Big Sur.
> Many thanks in advance for your help,

Hi, sorry nobody's got back to you before now.

I don't have Big Sur installed so I can't test this.

Are you able to try Emacs 28 (the master branch) and see if the problem
exists there too?
-- 
Alan Third

Message #11 received at 46436 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Alan Third <alan <at> idiocy.org>
Cc: Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr>, 46436 <at> debbugs.gnu.org
Subject: Re: bug#46436: 27.1.91; Font weight issue on MacOS Big Sur
Date: Wed, 22 Sep 2021 18:22:18 +0200

>>>>> On Tue, 31 Aug 2021 20:22:04 +0100, Alan Third <alan <at> idiocy.org> said:

    Alan> Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr> writes:
    >> All the informations on font weight appear to be stripped out in Mac OS Big Sur ; as a result, a single weight takes precedence over the others.
    >> As an example, if I install say Roboto Mono Light, I can see the font via M-x describe-font as :
    >> 
    >> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> 
    >> The ‘light’ weight information does not appear. As a consequence, if I now install Roboto Mono Regular, this is what I get:
    >> 
    >> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> 
    >> The two fonts having the same handler, one takes precedence over the other (and all the text now appears as a long fat headline).
    >> Testing the same process under macOS Catalina (the previous OS) on another computer, this is what I get after installing Roboto Mono Light :
    >> 
    >> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1
    >> 
    >> And after installing Roboto Mono Regular :
    >> 
    >> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-light-normal-normal-*-14-*-*-*-m-0-fontset-auto1
    >> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
    >> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
    >> 
    >> The font weight information is here preserved and I can select different variants of the font. So it seems like the problem really pertains to MacOS Big Sur.
    >> Many thanks in advance for your help,

    Alan> Hi, sorry nobody's got back to you before now.

    Alan> I don't have Big Sur installed so I can't test this.

    Alan> Are you able to try Emacs 28 (the master branch) and see if the problem
    Alan> exists there too?

Iʼm not sure. I installed those two fonts, and indeed when I select
'weight:light' in M-x customize-face it has no effect. But other than
that I donʼt see 'a long fat headline'.

Robert
-- 

Message #14 received at 46436 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr>
Cc: 46436 <at> debbugs.gnu.org
Subject: Re: bug#46436: 27.1.91; Font weight issue on MacOS Big Sur
Date: Fri, 17 Jun 2022 14:30:57 +0200

Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr> writes:

> All the informations on font weight appear to be stripped out in Mac OS Big Sur ; as a result, a single weight takes precedence over the others.
> As an example, if I install say Roboto Mono Light, I can see the font via M-x describe-font as :
>
> -*-Roboto Mono-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-bold-normal-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-italic-normal-*-*-*-*-*-m-0-iso10646-1
> -*-Roboto Mono-normal-normal-normal-*-*-*-*-*-m-0-iso10646-1
>
> The ‘light’ weight information does not appear.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

The font weight selection code has been revamped since this bug report
was filed -- do you still see this problem in Emacs 29?

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

Message #19 received at 46436 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Arnaud Antkowiak <arnaud.antkowiak <at> upmc.fr>
Cc: 46436 <at> debbugs.gnu.org
Subject: Re: bug#46436: 27.1.91; Font weight issue on MacOS Big Sur
Date: Sat, 16 Jul 2022 18:19:17 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> The font weight selection code has been revamped since this bug report
> was filed -- do you still see this problem in Emacs 29?

More information was requested, but no response was given within a
month, so I'm closing this bug report.  If the problem still exists,
please respond to this email and we'll reopen the bug report.

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

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