pgsql: Make an editorial pass over the reference pages.

Log Message:
-----------
Make an editorial pass over the reference pages.

Modified Files:
--------------
pgsql/doc/src/sgml:
maintenance.sgml (r1.49 -> r1.50)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/maintenance.sgml.diff?r1=1.49&r2=1.50)
release.sgml (r1.396 -> r1.397)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml.diff?r1=1.396&r2=1.397)
pgsql/doc/src/sgml/ref:
alter_domain.sgml (r1.18 -> r1.19)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_domain.sgml.diff?r1=1.18&r2=1.19)
alter_function.sgml (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_function.sgml.diff?r1=1.9&r2=1.10)
alter_sequence.sgml (r1.12 -> r1.13)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_sequence.sgml.diff?r1=1.12&r2=1.13)
create_cast.sgml (r1.21 -> r1.22)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_cast.sgml.diff?r1=1.21&r2=1.22)
create_domain.sgml (r1.24 -> r1.25)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_domain.sgml.diff?r1=1.24&r2=1.25)
create_function.sgml (r1.66 -> r1.67)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_function.sgml.diff?r1=1.66&r2=1.67)
create_sequence.sgml (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_sequence.sgml.diff?r1=1.42&r2=1.43)
create_table.sgml (r1.95 -> r1.96)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table.sgml.diff?r1=1.95&r2=1.96)
create_table_as.sgml (r1.30 -> r1.31)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table_as.sgml.diff?r1=1.30&r2=1.31)
create_trigger.sgml (r1.41 -> r1.42)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_trigger.sgml.diff?r1=1.41&r2=1.42)
create_type.sgml (r1.58 -> r1.59)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_type.sgml.diff?r1=1.58&r2=1.59)
create_view.sgml (r1.30 -> r1.31)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_view.sgml.diff?r1=1.30&r2=1.31)
createuser.sgml (r1.43 -> r1.44)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/createuser.sgml.diff?r1=1.43&r2=1.44)
delete.sgml (r1.24 -> r1.25)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/delete.sgml.diff?r1=1.24&r2=1.25)
drop_sequence.sgml (r1.22 -> r1.23)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/drop_sequence.sgml.diff?r1=1.22&r2=1.23)
pg_config-ref.sgml (r1.22 -> r1.23)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_config-ref.sgml.diff?r1=1.22&r2=1.23)
pg_dump.sgml (r1.80 -> r1.81)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_dump.sgml.diff?r1=1.80&r2=1.81)
pg_dumpall.sgml (r1.54 -> r1.55)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_dumpall.sgml.diff?r1=1.54&r2=1.55)
pg_restore.sgml (r1.55 -> r1.56)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_restore.sgml.diff?r1=1.55&r2=1.56)
psql-ref.sgml (r1.152 -> r1.153)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.152&r2=1.153)
release_savepoint.sgml (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/release_savepoint.sgml.diff?r1=1.4&r2=1.5)
rollback_to.sgml (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/rollback_to.sgml.diff?r1=1.6&r2=1.7)
select.sgml (r1.89 -> r1.90)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/select.sgml.diff?r1=1.89&r2=1.90)
vacuum.sgml (r1.39 -> r1.40)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/vacuum.sgml.diff?r1=1.39&r2=1.40)