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Re: C-u prefix input (e.g., C-x f / set-fill-column)


From: Tassilo Horn
Subject: Re: C-u prefix input (e.g., C-x f / set-fill-column)
Date: Fri, 19 Oct 2007 17:21:27 +0200
User-agent: Gnus/5.110007 (No Gnus v0.7) Emacs/23.0.50 (gnu/linux)

Ulrich Mueller <address@hidden> writes:

Hi Ulrich,

>> 2a. When users forget to give an argument with C-u, the error message
>> should be
>
>> "set-fill-column requires an explicit argument with prefix C-u
>> <ARGUMENT>"
>
>> or something like that.
>> Or, better:
>
>> 2b. Instead of displaying the above error message, the user should be
>> queried interactively for the argument, just like most interactive
>> functions do it. In other words, use (interactive "N") in `set-fill-
>> column' instead of "p".
>
> Wouldn't (current-column) be a reasonable default if no explicit
> argument was given?

I would object here.  (current-column) is a good default for
`set-goal-column', but for `set-fill-column' I'd prefer if it queries
the user if no prefix arg was given.

Bye,
Tassilo




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