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From: Jean Louis <bugs@gnu.support>
To: help-gnu-emacs@gnu.org
Subject: Re: How to count number of C-u prefixes?
Date: Fri, 4 Feb 2022 18:25:53 +0300	[thread overview]
Message-ID: <Yf1Fgfp2AYCRz3sq@protected.localdomain> (raw)
In-Reply-To: <8735kyisb9.fsf@zoho.eu>

* Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org> [2022-02-04 18:08]:
> Oh, oh! Incorrect order of argument mentioned in docstring ...

Am I supposed to mention arguments by their order in docstrin?

> Also instead of C-u use \\[universal-argument].

Thanks, I got it.

> > (let* ((times (if (= prefix 1) 1 (log prefix 4)))
> 
> What, when prefix is 1 one has it C-u 0 times :)
> 
> You just need (log prefix 4), if prefix is 1 that will be
> 
>   (log 1 4) ; 0
> 
> since always x^0 = 1

Yes, but it does not work that way.

-- 
Jean

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  reply	other threads:[~2022-02-04 15:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-04 14:11 How to count number of C-u prefixes? Jean Louis
2022-02-04 14:30 ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-02-04 14:56   ` Jean Louis
2022-02-04 15:07     ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-02-04 15:25       ` Jean Louis [this message]
2022-02-04 15:43         ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-02-04 15:49           ` Emanuel Berg via Users list for the GNU Emacs text editor
2022-02-04 15:09     ` Emanuel Berg via Users list for the GNU Emacs text editor

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