<stx:transform version="1.0" 
	       xmlns:stx="http://stx.sourceforge.net/2002/ns"
	       xmlns="ns:def"
	       xmlns:p1="ns:p1"
	       xmlns:p2="ns:p2"
	       strip-space="yes">

  <stx:namespace-alias stylesheet-prefix="p1" result-prefix="stx"/>
  <stx:namespace-alias stylesheet-prefix="#default" result-prefix="p2"/>
  <stx:namespace-alias stylesheet-prefix="p2" result-prefix="p1"/>

  <stx:template match="/root">
    <p1:r>
      <n/>
      <p2:n p1:a1="c" a2="d"/>
    </p1:r>
  </stx:template>

</stx:transform>