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

[Philipp Stephani]

Am Mo., 9. Nov. 2020 um 20:38 Uhr schrieb 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.

It definitely worked for me with a face ID over 800. Also there's the
second codepath with a glyph code that is a cons, supporting all
fixnums as face IDs.

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