pgsql: This doc patch replaces all inappropriate references to SQL:1999

Log Message:
-----------
This doc patch replaces all inappropriate references to SQL:1999 when it
is used as if it were the latest (and/or still valid) SQL standard.
SQL:2003 is used in its place. Patch from Simon Riggs.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        array.sgml (r1.43 -> r1.44)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/array.sgml.diff?r1=1.43&r2=1.44)
        ddl.sgml (r1.41 -> r1.42)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ddl.sgml.diff?r1=1.41&r2=1.42)
        ecpg.sgml (r1.64 -> r1.65)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ecpg.sgml.diff?r1=1.64&r2=1.65)
        errcodes.sgml (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/errcodes.sgml.diff?r1=1.13&r2=1.14)
        func.sgml (r1.264 -> r1.265)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml.diff?r1=1.264&r2=1.265)
        sql.sgml (r1.36 -> r1.37)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/sql.sgml.diff?r1=1.36&r2=1.37)
    pgsql/doc/src/sgml/ref:
        alter_domain.sgml (r1.15 -> r1.16)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/alter_domain.sgml.diff?r1=1.15&r2=1.16)
        create_cast.sgml (r1.20 -> r1.21)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_cast.sgml.diff?r1=1.20&r2=1.21)
        create_function.sgml (r1.65 -> r1.66)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_function.sgml.diff?r1=1.65&r2=1.66)
        create_table.sgml (r1.92 -> r1.93)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_table.sgml.diff?r1=1.92&r2=1.93)
        create_trigger.sgml (r1.40 -> r1.41)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_trigger.sgml.diff?r1=1.40&r2=1.41)
        create_type.sgml (r1.56 -> r1.57)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_type.sgml.diff?r1=1.56&r2=1.57)
        select.sgml (r1.87 -> r1.88)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/select.sgml.diff?r1=1.87&r2=1.88)