pack_pattern-strip-from-pb_type-ports.xml

<?xml version="1.0"?>
<xml>
 <pb_type>
  <input name="in1">
    <pack_pattern />
  </input>
  <input name="in2" />
  <output name="o1" />
  <output name="o2">
   <pack_pattern>
    <innertag />
   </pack_pattern>
  </output>
 </pb_type>
</xml>