Tests p:rename
Test ab-rename-004.xml is expected to pass.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
   <p:input port="source">
   <p:output port="result">
   <p:rename match="processing-instruction('a')" new-name="b">
</p:declare-step>
<doc>
   <a>
            <?a b c d?>
         </a>
</doc>
<s:schema xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
   <s:pattern>
      <s:rule context="/">
         <s:assert test="doc">The root element is not 'doc'.</s:assert>
         <s:assert test="doc/a">Root element does not have a child 'a'.</s:assert>
         <s:assert test="doc/a/processing-instruction(b)">Element 'a' does not have a PI child named 'b'.</s:assert>
         <s:assert test="doc/a/processing-instruction(b)='b c d'">PI's value is not 'b c d'.</s:assert>
      </s:rule>
   </s:pattern>
</s:schema>
Added attribute 'queryBinding' to schematron's schema.
Ported tests for p:rename