Subject: bug#37540: [PATCH] Wishlist: Allow edebug-specs to signal arbitrary error strings on syntax errors in macros.

From: Eli Zaretskii <[email-masked]>
Date: Sat, 28 Sep 2019 16:42:47 +0300

> Date: Sat, 28 Sep 2019 12:30:34 +0000
> From: Alan Mackenzie <[email-masked]>
> 
> The following patch implements an &error mechanism in edebug.el, and
> illustrates its use in the case which motivated it.
> 
> Any objections to committing this patch (together with the needed
> amendments to documentation and NEWS)?

Please wait with such changes until the emacs-27 branch is cut (which
should happen soon, I hope).  I don't want to risk destabilizing Emacs
27 with potentially risky low-level changes, more than it already is.

TIA