When using the a page-position="last" like

<fo:page-sequence-master master-name="contents" >
     <fo:repeatable-page-master-alternatives>
      
      <fo:conditional-page-master-reference
       master-reference="firstPage"
       page-position="first"/>
      
      <fo:conditional-page-master-reference
       master-reference="middlePage" 
       page-position="rest"/>
      
      <fo:conditional-page-master-reference 
       master-reference="lastPage"
       page-position="last"/>
      

     </fo:repeatable-page-master-alternatives>
    </fo:page-sequence-master>


The content of the last page is not rendered completely when a span="all" is to
appear on the last page. The flow of content is stopped dead. see example. I was
 lead to believe it was a multi column problem but it seems to effect normal
single columns if one was to just add a span="all" fo:block last in the fo:flow.