Overflow at page bottom when single table with two columns breaks to multiple pages

I have a two-coumn layout using a table with a single row and two columns.
Each column contains mutiple block elements with text, the whole spreading
to multiple pages.

The problem is that there is an overflow on the bottom of page 3.
See overflow.png.

Source FO:  overflow.fo
<http://apache-fop.1065347.n5.nabble.com/file/t2932/overflow.fo>  
Result PDF:  overflow.pdf
<http://apache-fop.1065347.n5.nabble.com/file/t2932/overflow.pdf>  

The strange thing is that, when I add one more block to the second column
(the second cell of the table actually) the problem does not occur.
Source FO:  no-overflow.fo
<http://apache-fop.1065347.n5.nabble.com/file/t2932/no-overflow.fo>  
Result PDF:  no-overflow.pdf
<http://apache-fop.1065347.n5.nabble.com/file/t2932/no-overflow.pdf>  

The overflow happens also when using list-block instead of table:
Source FO:  overflow-list.fo
<http://apache-fop.1065347.n5.nabble.com/file/t2932/overflow-list.fo>  
Result PDF:  overflow-list.pdf
<http://apache-fop.1065347.n5.nabble.com/file/t2932/overflow-list.pdf>  

Is there any solution for this?



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