Contenttypes 020

The pipeline

<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" xmlns:test="http://test" version="3.0">
   <p:output port="result"/>
   <p:declare-step type="test:step">
      <p:input port="source" content-types="html -application/xhtml+xml"/>
      <p:output port="result"/>
      <p:identity/>
   </p:declare-step>
   <test:step>
      <p:with-input>
         <p:inline content-type="application/xhtml+xml">
            <doc/>
         </p:inline>
      </p:with-input>
   </test:step>
</p:declare-step>