<#-- test processing instructions -->
<#global PIs = doc._content._ftype("p")>
<#foreach pi in PIs>
  ${pi}
  ${pi["@target"]._text}
  ${pi["@data"]._text}
</#foreach>
${PIs?size}
<#global firstPi = PIs[0]>
${firstPi._type}
${firstPi["@customKey"]}
${doc._registerNamespace("ns", "http://www.foo.com/ns1/")}
${doc._descendant["ns:e11"]}
${doc._descendant["ns:e12"]}
<#global docRoot = doc["ns:root"]>
${docRoot["ns:e1"]}
${doc("//ns:e11")}
${docRoot["ns:e1"]["@a1"]._name}
${docRoot["ns:e1"]["@a2"]._text}
${docRoot._children._parent._name}
${docRoot._children._parent._unique._name}
<#foreach d in doc._descendant>
  ${d._name}
</#foreach>
<#foreach d in doc._descendant._ancestorOrSelf>
  ${d._name}
</#foreach>
${docRoot["ns:e2"]["ns:e12"]._text}
${docRoot["ns:e2"]["ns:e12"]._plaintext}