Re: M-q on comments in source code

[Eli Zaretskii <eliz@gnu.org>]

> From: lee <lee@yun.yagibdah.de>
> Date: Sat, 24 May 2014 13:37:03 +0200
> 
> modes like c-mode indent comments with the code, which is fine as an end
> result and not so ideal when writing them.  To give an example:
> 
> 
> ,----
> | 			if(full)
> | 				{
> | 					//
> | 					// A max value might be removed when the arrays are shifted.  In
> | 					// that case, find a new one after shifting.  Otherwise, the max
> `----
> 
> 
> Now press M-q to format the comment and the above looks like this:
> 
> 
> ,----
> | 			if(full)
> | 				{
> | 					//
> | 					// A max value might be
> | 					// removed when the arrays are
> | 					// shifted.  In that case,
> | 					// find a new one after
> | 					// shifting.  Otherwise, the
> | 					// max continues to be known.
> `----
> 
> 
> This formatting is a bit silly ...  What can I do to get the comments
> formatted as in the first example, i. e. the comment indented with the
> source but with each line trimmed to a length of about max 75
> characters, not counting the indentation?

One way is to set fill-column to a larger value.