<?xml version="1.0"?> 
<xupdate:modifications version="1.0"
 xmlns:xupdate="http://www.xmldb.org/xupdate">

  <xupdate:append select="/"  child="first()" >
    <xupdate:element name="gap">
    </xupdate:element>
  </xupdate:append>

  <xupdate:remove select="/oopoyy[1]" />

</xupdate:modifications>
