I pushed some edits based on this discussion at https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=975768f8eae2581b89ceafe8b16a77ff375207fe
regards, tom lane -- Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs