Library import 004 (AB)

The pipeline

<p:declare-step xmlns:err="http://www.w3.org/ns/xproc-error" xmlns:p="http://www.w3.org/ns/xproc" xmlns:x="http://test" version="3.0">
   <p:import href="../pipelines/ab-library-004.xpl"/>
   <p:output port="result"/>
   <x:one name="step1"/>
   <x:two name="step2"/>
   <p:wrap-sequence wrapper="result">
      <p:with-input pipe="@step1 @step2"/>
   </p:wrap-sequence>
</p:declare-step>