[cups.general] no documentation on use of client.conf

[Mark J. Bradakis]

> Postings seem to indicate that this should work WITHOUT cupsd
> running (though we can't imagine how)

The various lp* commands use the routine cupsServer() from libcups to
get the address of the cups server.  This can be a server process running
on the local host or a remote host, the client programs don't really
care which, as long as someone responds.

mjb.