GNU bug report logs - #56502
Lucid ghosts

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

From: Alan Mackenzie <acm <at> muc.de>
To: bug-gnu-emacs <at> gnu.org
Subject: Lucid ghosts
Date: Mon, 11 Jul 2022 20:37:45 +0000

Hello, Emacs.

While checking for Lisp hooks in the display engine, I came across some
unused variables with "lucid" in their names, namely
Vlucid_menu_bar_dirty_flag and Qrecompute_lucid_menubar.  These could
surely now be removed from Emacs, saving a small amount of space and
execution time.

A grep through the project's sources suggests there are other ghosts with
"lucid", and these could probably also be removed.

-- 
Alan Mackenzie (Nuremberg, Germany).

Message #8 received at 56502 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 56502 <at> debbugs.gnu.org
Subject: Re: bug#56502: Lucid ghosts
Date: Tue, 12 Jul 2022 10:04:52 +0800

Alan Mackenzie <acm <at> muc.de> writes:

> Hello, Emacs.
>
> While checking for Lisp hooks in the display engine, I came across some
> unused variables with "lucid" in their names, namely
> Vlucid_menu_bar_dirty_flag and Qrecompute_lucid_menubar.  These could
> surely now be removed from Emacs, saving a small amount of space and
> execution time.
>
> A grep through the project's sources suggests there are other ghosts with
> "lucid", and these could probably also be removed.

AFAIR those were left over from the original Lucid Emacs menu bar
implementation.  Nobody still uses them, so they can be deleted.

Message #13 received at 56502-done <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: 56502-done <at> debbugs.gnu.org
Subject: Re: bug#56502: Acknowledgement (Lucid ghosts)
Date: Tue, 12 Jul 2022 09:37:50 +0000

Bug fixed.

-- 
Alan Mackenzie (Nuremberg, Germany).

On Mon, Jul 11, 2022 at 20:38:02 +0000, GNU bug Tracking System wrote:
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> 56502: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56502
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Message #16 received at 56502 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 56502 <at> debbugs.gnu.org
Subject: Re: bug#56502: Lucid ghosts
Date: Tue, 12 Jul 2022 09:40:06 +0000

Hello, Po.

On Tue, Jul 12, 2022 at 10:04:52 +0800, Po Lu wrote:
> Alan Mackenzie <acm <at> muc.de> writes:

> > Hello, Emacs.

> > While checking for Lisp hooks in the display engine, I came across some
> > unused variables with "lucid" in their names, namely
> > Vlucid_menu_bar_dirty_flag and Qrecompute_lucid_menubar.  These could
> > surely now be removed from Emacs, saving a small amount of space and
> > execution time.

> > A grep through the project's sources suggests there are other ghosts with
> > "lucid", and these could probably also be removed.

> AFAIR those were left over from the original Lucid Emacs menu bar
> implementation.  Nobody still uses them, so they can be deleted.

Thanks for the confirmation.  I've just removed the things (in master)
and closed the bug.

-- 
Alan Mackenzie (Nuremberg, Germany).

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