<pageHeader><![CDATA[This is <b>bold text</b>]]></pageHeader>
$boundary_begin = qq^<![CDATA[^;$boundary_end = qq^]]>^;......... (then, when outputting to STDOUT or to a file)<pageHeader> <iw_value name='boundary_begin'/><iw_value name='dcr.PageHeader'/><iw_value name='boundary_end'/></pageHeader>