Hi Blake,
> > I want to extend the groff language by a single .de1 without hurting
> > the compatibility.
>
> I think we'd all agree that no new primitive command should be added
> if that command can be accomplished by defining a regular troff macro.
> To that end, what does de1 do that you can't define in a regular troff
> macro?
No, `de1' already exists. I think Bernd meant he wanted to use de1 to
define something.
.de1 xx yy
Similar to .de, but compatibility mode is switched off during
execution. On entry, the current compatibility mode is saved
and restored at exit.
Cheers, Ralph.
