bug#57051: 29.0.50; No bold faces on macOS

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Date: Mon, 08 Aug 2022 08:36:47 +0200
> 
> With emacs -Q, changing a faces's :weight has no effect.

Please tell how you tried to set the face's :weight.

> Here is what
> describe-face says about the default face, in case it matters.
> 
>            Family: Monaco
>           Foundry: nil
>             Width: normal
>            Height: 120
>            Weight: regular
>             Slant: normal
>        Foreground: Black
> DistantForeground: unspecified
>        Background: White
>         Underline: nil
>          Overline: nil
>    Strike-through: nil
>               Box: nil
>           Inverse: nil
>           Stipple: nil
>              Font: #<font-object 
> -*-Monaco-regular-normal-normal-*-12-*-*-*-m-0-iso10646-1>
>           Fontset: 
> -*-Monaco-regular-normal-normal-*-*-*-*-*-m-0-fontset-startup
>            Extend: nil
>           Inherit: nil

If you change "Weight" via customize-face, does it also fail to work?

And does that font have a bold variant on your system?  If so, can you
tell what is its numeric value of the :weight attribute?