[Groff] Formatting mail with Groff

[trebol]

.de endofmail
.pl 0
..
.em endofmail
.nr HY 0
.nr HM 0
.nr PI 3m
I think is necessary start a new thread...
.DS L
[from Macro Packages thread]
Anton:
> Very  well, but now you've concluded you post with a
> lot  of  empty  lines [...]
.DE
Yes,  this  was  on  the top of my to-do list: don't need to
enter dG on nvi...
.DS L
> In  order to trim the file to
> the total length of actual text, call
>
>   .pl 0
>
> at the end of your file, or set up  an  end-of-input
> trap (.em) to do it for you.
.DE
Thanks, it's perfect.  There are a lot of things I wanted to
ask,  but  didn't  want  to abuse your patience. But now the
Pandora's box is open!  For now my abbreviation for mail  in
nvi corresponds to:
.DS L
\&.de endofmail
\&.pl 0
\&..
\&.em endofmail
\&.nr HY 0
\&.nr HM 0
\&.pl 1000
.DE
.PL
I've seen that hyphenation in mail is a bad idea.
No other way to prevent multiple pages to \&.pl 1000?
There is a request like \&.mc for left margin character (`>')?

If anyone has a good tip for mutt-nvi-groff, I would be very grateful!