Subject: bug#22111: 25.0.50; (this-command-keys) doesn't return prefix keys

From: Artur Malabarba <[email-masked]>
Date: Mon, 07 Dec 2015 22:09:21 +0000

Alan Mackenzie <[email-masked]> writes:

> I don't think this is a bug: C-u is bound to command
> `universal-argument', and it works by setting `prefix-arg'.  Once it's
> done that, `univeral-argument''s runtime is finished.

That's what I thought at first, but the docs say it should.
See the docstring of `this-single-command-keys' or the elisp manual on
this function.