<?xml version="1.0" encoding="utf-8"?><DIV><B> copy-of : </B><p id="a12"> &lt;opentag&gt; without an &lt;/endtag&gt; and &amp; &lt;! are all ok here 
Compare <B>these constructs</B>.  

</p></DIV><DIV><B> copy : </B><p /></DIV><DIV><B> value-of : </B> &lt;opentag&gt; without an &lt;/endtag&gt; and &amp; &lt;! are all ok here 
Compare these constructs.</DIV>