Log Message:
-----------
Zero-label enums:
Allow enums to be created with zero labels, for use during binary upgrade.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_type.sgml (r1.79 -> r1.80)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_type.sgml?r1=1.79&r2=1.80)
pgsql/src/backend/parser:
gram.y (r2.699 -> r2.700)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/gram.y?r1=2.699&r2=2.700)
pgsql/src/bin/pg_dump:
pg_dump.c (r1.561 -> r1.562)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dump.c?r1=1.561&r2=1.562)