pgsql: Disable expanded mode only for \d tablename, not for all

Log Message:
-----------
Disable expanded mode only for \d tablename, not for all backslash
commands.  Per complaint that \df+ is clearer in expanded mode.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        release.sgml (r1.394 -> r1.395)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml.diff?r1=1.394&r2=1.395)
    pgsql/src/bin/psql:
        common.c (r1.108 -> r1.109)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/common.c.diff?r1=1.108&r2=1.109)
        describe.c (r1.128 -> r1.129)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c.diff?r1=1.128&r2=1.129)
        print.c (r1.78 -> r1.79)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/print.c.diff?r1=1.78&r2=1.79)
        print.h (r1.29 -> r1.30)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/print.h.diff?r1=1.29&r2=1.30)
        startup.c (r1.125 -> r1.126)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/startup.c.diff?r1=1.125&r2=1.126)