Subject: bug#64459: 30.0.50; Edebug can't instrument certain syntax-propertize-rules forms

From: Eli Zaretskii <[email-masked]>
Date: Tue, 04 Jul 2023 16:42:52 +0300

> From: Philipp Stephani <[email-masked]>
> 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)