Tests that XD0016 is raised, when @select returns an attribute.
Test ab-with-input-select-008.xml is expected to fail with error code err:XD0016.
<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:output port="result">
   <p:identity>
      <p:with-input select="/doc/@*">
         <doc att1="1" att2="3">
      </p:with-input>
   </p:identity>
</p:declare-step>
Fix namespace declarations
reached 300