Log Message:
-----------
A further attempt at clarifying the \distv business.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.216 -> r1.217)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml?r1=1.216&r2=1.217)