Re: master a08320f: * lisp/disp-table.el (make-glyph-code): Remove obsolete comment.

[Eli Zaretskii <eliz@gnu.org>]

> Auto-Submitted: auto-generated
> Date: Mon,  9 Nov 2020 12:16:14 -0500 (EST)
> From: p.stephani2@gmail.com (Philipp Stephani)
> 
> branch: master
> commit a08320f7234685cd84a18040556fd3f7eaacaf45
> Author: Philipp Stephani <phst@google.com>
> Commit: Philipp Stephani <phst@google.com>
> 
>     * lisp/disp-table.el (make-glyph-code): Remove obsolete comment.
> ---
>  lisp/disp-table.el | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/lisp/disp-table.el b/lisp/disp-table.el
> index 2e88d35..70343a3 100644
> --- a/lisp/disp-table.el
> +++ b/lisp/disp-table.el
> @@ -220,8 +220,6 @@ for a graphical frame."
>  ;;;###autoload
>  (defun make-glyph-code (char &optional face)
>    "Return a glyph code representing char CHAR with face FACE."
> -  ;; Due to limitations on Emacs integer values, faces with
> -  ;; face id greater than 512 are silently ignored.
>    (if (not face)
>        char
>      (let ((fid (face-id face)))

Is this comment really obsolete?  We still need to be able to pack a
face ID and a 22-bit character codepoint into a single fixnum, which
could be a 32-bit data type.  See GLYPH_CODE_CHAR, GLYPH_CODE_FACE,
and SET_GLYPH_FROM_GLYPH_CODE on dispextern.h.