From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tassilo Horn <tassilo@member.fsf.org>
Subject: Re: C-u usage
Date: Tue, 17 Aug 2010 11:51:11 +0200
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Andreas Röhler <andreas.roehler@easy-emacs.de> writes:

Hi Andreas,

> C-u C-u C-u <TAB>
>
> Don't it break common Emacs usage somehow?

No, that's the usual way to provide an universal argument (a number) to
a command.

> The problem arises, as C-h k does not report a
> combination starting with C-u...

`C-u' is a command by itself: `universal-argument'

To get to the "real" function's docs, leave out the C-u (optionally
followed by a number) part when typing at the `C-h k' prompt.

Bye,
Tassilo