* cvs.texinfo (Password authentication server): note -p for

inetd.conf command line.
(Global options): GREPBIN -> GREP.
(Global options): DIFFBIN -> DIFF.
(Global options): new environment variable PATCH, and '-p'.
(Variables): GREPBIN -> GREP.
(Variables): DIFFBIN -> DIFF.
(Variables): new variable PATCH.
(Environment variables): GREPBIN -> GREP.
(Environment variables): DIFFBIN -> DIFF.
(Environment variables): new environment variable PATCH.