Richard said,
> Paper length is set by .pl command. Troff has no concept of paper
> width; you adjust line length and page offset using .ll and .po
> respectively. If you're using -ms macros which give a line length of
> 6 inches, try prefixing your input with
> .pl 29.7c
> .po 2.88c
> and your text should be centred on an A4 page.
This is true, but be aware that if you're using -ms,
some of these parameters are shadowed by number
registers in the macro package, and tend to
get reset. In particular, there is a PO and also
a LL number register. There doesn't seem to
be a PL for .pl shadow, however.
Dennis