<root>

    <element1><![CDATA[ABC]]> </element1>
    <element2> <![CDATA[ABC]]></element2>
    <element3> <![CDATA[ABC]]> </element3>

    <element1><![CDATA[   ]]> </element1>
    <element2> <![CDATA[   ]]></element2>
    <element3> <![CDATA[   ]]> </element3>

    <element4>abc<![CDATA[def]]>ghi</element4>
    <element5>abc<![CDATA[def]]></element5>
    <element6><![CDATA[def]]>ghi</element6>

</root>