GNU bug report logs - #8951
24.0.50; [PATCH] enhancement request: buttonize key names

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Message #32 received at 8951 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: lekktu <at> gmail.com, larsi <at> gnus.org, 8951 <at> debbugs.gnu.org,
 17052 <at> debbugs.gnu.org
Subject: Re: bug#17052: substitute-command-keys strips text properties
Date: Sun, 18 Aug 2019 20:19:26 +0300

> From: Stefan Kangas <stefan <at> marxist.se>
> Date: Sun, 18 Aug 2019 19:08:18 +0200
> Cc: Eli Zaretskii <eliz <at> gnu.org>, 17052 <at> debbugs.gnu.org, lekktu <at> gmail.com, 
> 	8951 <at> debbugs.gnu.org
> 
> > I had a look at that function now and, er, no.  :-)  Perhaps it should
> > be rewritten in Emacs Lisp?  Then it'd be pretty trivial to fix this
> > stuff.
> 
> The Fsubstitute_command_keys function is indeed a bit hairy, and I
> agree that a conversion to Lisp is the most reasonable next step.
> 
> I've actually been working a patch to convert it to Lisp for Bug#8951,
> but it's not finished yet.  The difficulty is that it has a couple of
> helper functions that also needs to be lifted, which makes the job
> bigger than just the function Fsubstitute_command_keys.
> 
> My goal is to get the Lisp version to produce the same output as the C
> version, which currently seems to be a feasible goal.  Once it's in
> Lisp it should be easier to make further improvements, fix bugs, etc.

Maybe we should first talk a bit about why Lars you think it would be
"pretty trivial" to keep properties in Lisp, but not in C.  I'm
probably missing something very basic here, because I don't see why
it would be easier in Lisp.

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