From: Chad Perrin <perrin@...>
Date: 2006-08-16T03:50:26+09:00
Subject: Re: block commenting-out

On Wed, Aug 16, 2006 at 03:25:49AM +0900, Christian Neukirchen wrote:
> Chad Perrin <perrin@apotheon.com> writes:
> >
> > What do "comment-region" and "comment-dwim" mean in practical terms in
> > this case?
> 
> comment-region:
> 
>   Comment or uncomment each line in the region.
>   With just C-u prefix arg, uncomment each line in region beg .. end.
>   Numeric prefix arg means use arg comment characters.
>   If arg is negative, delete that many comment characters instead.
>   By default, comments start at the left margin, are terminated on each line,
>   even for syntax in which newline does not end the comment and blank lines
>   do not get comments.  This can be changed with `comment-style'.
> 
> comment-dwim:
> 
>   Call the comment command you want (Do What I Mean).
>   If the region is active and `transient-mark-mode' is on, call
>     `comment-region' (unless it only consists of comments, in which
>     case it calls `uncomment-region').
>   Else, if the current line is empty, insert a comment and indent it.
>   Else if a prefix arg is specified, call `comment-kill'.
>   Else, call `comment-indent'.
>   You can configure `comment-style' to change the way regions are commented.

Thanks.  That satisfies my curiosity.


> 
> > How many modes are there to emacs?
> 
> 492 matches for "-mode$" in buffer: *Apropos*

Holy crap.

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
Brian K. Reid: "In computer science, we stand on each other's feet."