GNU bug report logs - #64459
30.0.50; Edebug can't instrument certain syntax-propertize-rules forms

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Philipp Stephani <p.stephani2 <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 64459 <at> debbugs.gnu.org
Subject: bug#64459: 30.0.50; Edebug can't instrument certain syntax-propertize-rules forms
Date: Tue, 04 Jul 2023 19:02:02 +0300

> From: Philipp Stephani <p.stephani2 <at> gmail.com>
> Date: Tue, 4 Jul 2023 16:06:01 +0200
> Cc: 64459 <at> debbugs.gnu.org
> 
> Am Di., 4. Juli 2023 um 15:42 Uhr schrieb Eli Zaretskii <eliz <at> gnu.org>:
> >
> > > From: Philipp Stephani <p.stephani2 <at> gmail.com>
> > > Date: Tue, 04 Jul 2023 15:35:01 +0200
> > >
> > > This fails on master and emacs-29, but not on emacs-28, so it's a
> > > regression that I think should be fixed before releasing Emacs 29.
> >
> > The part about this not being a problem in Emacs 28 is not true: if I
> > try this in Emacs 28.2, I see in *Messages*:
> >
> >   Edebug: foo
> >   Eager macro-expansion failure: (void-function edebug-after)
> 
> Ah, indeed. So it looks like the actual change between 28 and 29 is
> that macroexpansion failures are now hard errors.
> The easiest way to fix this is to replace the first `form' in the
> edebug spec with `sexp'.

Adding Stefan.

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