Log Message:
-----------
Document that /contrib/tsearch2 now contains a compatibility interface.
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.537 -> r1.538)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.537&r2=1.538)