Updated user's guide to match new psql's output format

doc/src/sgml/array.sgml

doc/src/sgml/datatype.sgml

doc/src/sgml/inherit.sgml

doc/src/sgml/manage-ag.sgml

doc/src/sgml/manage.sgml

doc/src/sgml/ref/abort.sgml

doc/src/sgml/ref/create_database.sgml

doc/src/sgml/ref/create_function.sgml

doc/src/sgml/ref/create_language.sgml

doc/src/sgml/ref/create_view.sgml

doc/src/sgml/ref/delete.sgml

doc/src/sgml/ref/fetch.sgml

doc/src/sgml/ref/initlocation.sgml

doc/src/sgml/ref/listen.sgml

doc/src/sgml/ref/move.sgml

doc/src/sgml/ref/notify.sgml

doc/src/sgml/ref/select.sgml

doc/src/sgml/ref/set.sgml

doc/src/sgml/ref/unlisten.sgml

doc/src/sgml/ref/update.sgml