XSL:FO newbie question

Can some tell me that if its possible to have netsted
<fo:table>
,what I want to do is I have a deeply nested talbes structure( tables inside
of table) and I want to mimic that using xsl:fo is it possible?if yes how?
Cus I have tried 
<fo:table>
<fo:table-body>
 <fo:table-row>
    <fo:table> something like this</fo:table>
  </fo:table-row>
</fo:table-body>
</fo:table>

but it doesn't seem to work.
Khalid

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