broken balancing

[pgundlach]

data.xml:

<table>
  <head/>
  <rows count="40" />
  <head/>
  <rows count="2" />
  <head/>
  <rows count="1" />
</table>

layout.xml:

<Layout xmlns="urn:speedata.de:2009/publisher/en"
  xmlns:sd="urn:speedata:2009/publisher/functions/en">
  
  <Pageformat height="13cm" width="21cm"/>
  <Options ignoreeol="yes" mainlanguage="English (Great Britain)"/>
  
  <SetGrid nx="12" height="13pt"/>
  <Trace grid="yes"/>
  
  <Pagetype name="t" test="true()">
    <PositioningArea name="area">
      <PositioningFrame width="6" height="22" row="1" column="1"/>
      <PositioningFrame width="6" height="22" row="1" column="7"/>
    </PositioningArea>
  </Pagetype>
  
  <Record element="table" >
    <SetVariable variable="c" select="0"/>
    <PlaceObject area="area" >
      <Table stretch="max" width="6"  balance="yes">
        <Columns>
          <Column width="1*"/>
        </Columns>
        <ForAll select="*">
          
          <Switch>
            <Case test="local-name() = 'head'">
              <SetVariable variable="c" select="$c + 1"/>
              <Tr sethead="yes" break-below="no" minheight="13pt">
                <Td backgroundcolor="gray">
                  <Paragraph><Value select="$c"></Value></Paragraph>
                </Td>
              </Tr>
            </Case>
            <Otherwise>
              <Loop select="@count">
                <SetVariable variable="c" select="$c + 1"/>
                <Tr>
                  <Td valign="top">
                    <Paragraph><Value select="$c"></Value></Paragraph>
                  </Td>
                </Tr>
              </Loop>
            </Otherwise>
          </Switch>
        </ForAll>
        
      </Table>
    </PlaceObject>
  </Record>
</Layout>

yields: