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bug#33201: 26.1; Edebug doesn't work on closures with edebug-unwrap-resu

From: Allen Li
Subject: bug#33201: 26.1; Edebug doesn't work on closures with edebug-unwrap-results
Date: Wed, 31 Oct 2018 20:53:25 -0700

On Wed, Oct 31, 2018 at 8:06 AM Alan Mackenzie <address@hidden> wrote:
> Yes.  There is no handling for closures in 26.1's edebug.
> Handling for closures was added to the Emacs master branch on 2018-06-19
> by Gemini Lasswell, as an incidental enhancement when introducing better
> backtrace handling.  Your scenario above works fine in master.
> This fix could probably be backported to the emacs-26 branch, but how
> important is it?  What were you actually trying to do when you uncovered
> this bug?

I don't remember.  I have encountered this error multiple times before and
given up debugging something.  Since one generally runs into bugs when
doing work
(that is not hacking on Emacs itself), it's helpful to be able to debug with
minimal obstruction, otherwise it becomes an unjustifiable distraction
from the main task.

I'll try to get a master build working again, but it's always a balance between
instability, getting new bugfixes, and getting actual work done (which
doesn't include hacking on Emacs for me).

> --
> Alan Mackenzie (Nuremberg, Germany).

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