Subject: backtrace for errors that occur inside process sentinels

From: Jonas Bernoulli <[email-masked]>
Date: Mon, 22 Dec 2014 20:43:02 +0100

Please provide a way to get backtraces for errors that occur inside
process sentinels.  Something similar to `toggle-debug-on-error', I
suppose.

This is a late follow up to
http://emacs.stackexchange.com/questions/3552/how-to-debug-errors-in-sentinels-and-during-font-lock

  Thanks,
  Jonas