Log Message:
-----------
Document that 'sslmode' is ignored for Unix domain socket communication;
backpatch to 8.3.X.
Modified Files:
--------------
pgsql/doc/src/sgml:
libpq.sgml (r1.266 -> r1.267)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml?r1=1.266&r2=1.267)