Use
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.

Merge the nathanw_sa branch.

Generate <>& symbolically.

Mostly punctuation fixes; uppercase some .Sh arguments, and misc. fixes.

Boring whitespace fixes.

Add new RPC code, based on Sun's TI-RPC code. Adapted to not use XTI,
but sockets instead, internally. Old, backward compatible interfaces
maintained.