[xsl] XSL-FO: Creating Marginalias with Apache FOP

Hello,

I am trying to create a PDF with marginalias (side notes) with Apache FOP 1.0.
Since FOP does not support the "float" concept of FO, I am trying to use a table with two columns; the first one for the marginalia, the second one for the main text.
As the marginalia can consist of more lines than the following main text, I am trying to use a table inside of a table:

Here is the xml (the number and order of maintextX and marginaliaX varies):
<root>
  ...
  <body>
    <marginalia1>number</marginalia1>
    <title>title</title>
    <body_info>
      <maintext1>ipsum lorem</maintext1>
      <maintext2>consectetur</maintext2>

      <marginalia2>ut enim</marginalia2>  
      <maintext2>consequat r</maintext2>
      <maintext3>consequat r</maintext3>

      <marginalia2>ut enim</marginalia1>
      <maintext4>consequat r</maintext4>    
    <body_info>
  </body>
  ...
</root>

My PDF output should look like this:

-----------------------------------------------
| <marginalia1> | (Nested table:) <title>     |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext1> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext2> |
|               |                             |
|---------------------------------------------|
| <marginalia2> | (Nested table:) <maintext2> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext3> |
|               |                             |
|---------------------------------------------|
| <marginalia3> | (Nested table:) <maintext4> |
|               |                             |
-----------------------------------------------

But with my stylesheet below the table looks like this, of course:

-----------------------------------------------
| <marginalia1> | (Nested table:) <title>     |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext1> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext2> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext2> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext3> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext4> |
|               |                             |
|---------------------------------------------|
| <marginalia2> | (Nested table:) <maintext1> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext2> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext2> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext3> |
|               |                             |
|               |-----------------------------|
|               | (Nested table:) <maintext4> |
|               |                             |
|---------------------------------------------|
| <marginalia3> | [etc]                       |
|               |                             |
-----------------------------------------------

Here is my xslt:

...
<xsl:template match="body">
  <fo:table table-layout="fixed" width="100%">
    <fo:table-column column-width="51mm"/> 
  <fo:table-column column-width="109mm"/>
    <fo:table-body>
      <xsl:call-template name="marginalia"/>
    </fo:table-body>
  </fo:table>
</xsl:template>


<xsl:template name="marginalia">
  <xsl:for-each select="marginalia1">
    <fo:table-row>
      <fo:table-cell  border-width="0.1mm" border-style="solid"> 
        <fo:block>
          <xsl:value-of select="."/>
        </fo:block>
      </fo:table-cell>
      <fo:table-cell  border-width="0.1mm" border-style="solid"> 
        <fo:table table-layout="fixed" width="100%">
          <fo:table-column column-width="109mm"/> 
          <fo:table-body>
            <xsl:apply-templates select="parent::body/title"/>
            <xsl:apply-templates select="parent::body/body_info" />
          </fo:table-body>
        </fo:table>  
      </fo:table-cell>
    </fo:table-row>
  </xsl:for-each>

  <xsl:for-each select="body_info/marginalia2">
    <fo:table-row>
      <fo:table-cell  border-width="0.1mm" border-style="solid">
        <fo:block>
          <fo:inline>
            <xsl:value-of select="."/> 
          </fo:inline>
        </fo:block>
      </fo:table-cell>
      <fo:table-cell  border-width="0.1mm" border-style="solid"> 
        <fo:table table-layout="fixed" width="100%">
          <fo:table-column column-width="109mm"/>
          <fo:table-body>
            <xsl:apply-templates select="ancestor::body/body_info" />
          </fo:table-body>
        </fo:table>  
      </fo:table-cell>
    </fo:table-row>
  </xsl:for-each>
</xsl:template>  

<xsl:template match="maintext2"> <!-- and maintext3 and 4 -->
  <fo:table-row>
    <fo:table-cell  border-width="0.1mm" border-style="solid"> 
      <fo:block>
        <fo:inline xsl:use-attribute-sets="text">
          <xsl:value-of select="."/>
        </fo:inline>
      </fo:block>
    </fo:table-cell>
  </fo:table-row>
</xsl:template>


I don't know how to arrange the template to get the desired way.
Has anybody a helpful hint? Or maybe it is not possible at all?

Thank you very much.
Gerhard
-- 
Gerhard Glatz
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