pack_pattern-merge-type-into-name.xml

<?xml version="1.0"?>
<xml>
 <pb_type>
  <direct>
   <pack_pattern name="B" type="carry" />
  </direct>
  <mux>
   <pack_pattern name="A" type="pack">
    <innertag />
   </pack_pattern>
  </mux>
 </pb_type>
</xml>