pgsphere - pgsphere: more compatible to applications

Log Message:
-----------
more compatible to applications

Modified Files:
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    pgsphere/doc:
        constructors.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/constructors.sgm.diff?r1=1.1.1.1&r2=1.2)
        functions.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/functions.sgm.diff?r1=1.1.1.1&r2=1.2)
        indices.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/indices.sgm.diff?r1=1.1.1.1&r2=1.2)
        install.sgm (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/install.sgm.diff?r1=1.2&r2=1.3)
        operators.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/operators.sgm.diff?r1=1.1.1.1&r2=1.2)
        pg_sphere.xml (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/pg_sphere.xml.diff?r1=1.3&r2=1.4)
        types.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/types.sgm.diff?r1=1.1.1.1&r2=1.2)
        whatis.sgm (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsphere/pgsphere/doc/whatis.sgm.diff?r1=1.1.1.1&r2=1.2)