p:run-049b

The pipeline

<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error"
                xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:t="http://xproc.org/ns/testsuite/3.0" version="3.0">
   <p:output port="result"/>
   <p:run>
      <p:with-input>
         <p:inline>
            <p:declare-step xmlns:xs="http://www.w3.org/2001/XMLSchema"
                            version="3.0">
               <p:option name="static" as="xs:boolean"
                         static="true" select="true()"/>
               <p:output port="result"/>
               <p:identity>
                  <p:with-input use-when="$static">
                     <correct/>
                  </p:with-input>
               </p:identity>
            </p:declare-step>
         </p:inline>
      </p:with-input>
      <p:output port="result"/>
   </p:run>
</p:declare-step>