Re: Two questions....

[Stefan Monnier]

> You  may  need  to  use   a  different  table  for  comment-start  and
> comment-end.  For  example, in emacs-lisp-mode,  comment-start is ";",
> but generally  you want at least  two semi-colon to  avoid sending the
> comment on the  right, particularly for such "header"  comment. In the
> case of c++-mode, you get "// " but you may prefer "/* "...

And maybe you want/need extra spacing as well.
This is all taken care of if you use

   (comment-padright comment-start comment-add)

and

   (commend-padleft comment-end comment-add)


-- Stefan