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<doc><paf></paf></doc>


[9]
     <doc >
         <paf >
        </paf>
    </doc>


<doc><paf>this is text node (will be removed later)</paf></doc>


[9]
     <doc >
         <paf >
             [3] this is text node (will be removed later)
        </paf>
    </doc>


<doc><paf><!--this is comment, must go before text node(will be replaced later)-->this is text node (will be removed later)</paf></doc>


[9]
     <doc >
         <paf >
             [8] this is comment, must go before text node(will be replaced later)
             [3] this is text node (will be removed later)
        </paf>
    </doc>


<doc><paf>this is CDATA, it replaced comment here!this is text node (will be removed later)</paf></doc>


[9]
     <doc >
         <paf >
             [4] this is CDATA, it replaced comment here!
             [3] this is text node (will be removed later)
        </paf>
    </doc>


=text|this is text node (will be removed later)=
<doc><paf>this is CDATA, it replaced comment here!</paf></doc>


[9]
     <doc >
         <paf >
             [4] this is CDATA, it replaced comment here!
        </paf>
    </doc>


<doc><paf><?this is target this is pi></paf></doc>


[9]
     <doc >
         <paf >
             [7] this is pi
        </paf>
    </doc>


<doc attname><paf><?this is target this is pi></paf></doc>


[9]
     <doc attname="" >
         <paf >
             [7] this is pi
        </paf>
    </doc>


<doc attname="attvalue"><paf><?this is target this is pi></paf></doc>


[9]
     <doc attname="attvalue" >
         <paf >
             [7] this is pi
        </paf>
    </doc>


<doc attname="attvalue"><paf><?this is target this is pi></paf>&nbsp;</doc>


[9]
     <doc attname="attvalue" >
         <paf >
             [7] this is pi
         [5]
        </paf>
    </doc>


<doc attname="attvalue"><paf><?this is target this is pi></paf>&nbsp;</doc>


[9]
     <doc attname="attvalue" >
         <paf >
             [7] this is pi
                 <paf >
                </paf>
         [5]
        </paf>
    </doc>


paf count=2