Re: Two questions....

[Rob Thorpe]

Balaji Venkataraman <bvenkata+nospam@sm.intel.com> wrote in message 
news:<8an0h0rvea.fsf@sm.intel.com>...
> >>>>> "Kai" == Kai Großjohann <kai.grossjohann@gmx.net> writes:
> 
>     Kai> Urban Gabor <gabaux@freemail.hu> writes:
> 
>     >> 2. I generaly do C/C++ and Perl editing with emacs. It would be very
>     >> convenient to ha a generic macro, which insert an empty comment in
>     >> the code.  My problem is, that the formar of the comment is dependig
>     >> on the programming language (mode) you use. Is there a genereal
>     >> solution?
> 
>     Kai> I hit M-;.  (This is new in Emacs 21.)  -- This line is not blank.
> 
> If I understand Urban correctly, he wants to insert a new comment block -
> like say some header text - he does not want to know how to (un)comment
> existing lines etc.
> 
> Meaning if I'm in C mode I want to say "M-x insert-my-header" and it does
> 
> // Filename: 
> // Date started:
> 
> but in Perl mode it does
> 
> # Filename:
> # Date started:
> 
> At least that's what I've wished for a while. Thought I'd learn enough elisp
> to write a function to do that. But when is the question!


In any particular mode this is given by the value of comment-start.

(insert comment-start "Filename:"  comment-end "\n")

etc