Log Message:
-----------
Documentation improvements, per Josh Berkus.
Modified Files:
--------------
pgsql-server/src/backend/utils/misc:
postgresql.conf.sample (r1.127 -> r1.128)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/misc/postgresql.conf.sample.diff?r1=1.127&r2=1.128)