pgsql: Add documentation for new \d*S* patch, and clean up some of the - Mailing list pgsql-committers

Log Message:
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Add documentation for new \d*S* patch, and clean up some of the docs.
Fix \do and trigger display for the patch too.

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        psql-ref.sgml (r1.214 -> r1.215)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml?r1=1.214&r2=1.215)
    pgsql/src/bin/psql:
        describe.c (r1.194 -> r1.195)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c?r1=1.194&r2=1.195)
        help.c (r1.134 -> r1.135)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/help.c?r1=1.134&r2=1.135)