We tried to ship a project with .93.  We almost made it, however something
we coined as "page slop" stopped us so we went back to FOP.20 and it looks
like we will ship with FOP .20.  Were were using a trick of sizing even
pages as zero to avoid rendering on even pages because the customer wanted a
book with every left page blank.

We are using the Dita open toolkit XSLs to create the fo Xml which creates
tons of nested blocks.  At any rate, if there was a large continguous block
following the blank even page it "pushed back" a couple of lines onto the
previous even page even though there was not space to render there and
issued the following error:

Feb 17, 2007 2:16:30 PM org.apache.fop.layoutmgr.PageSequenceLayoutManager$1
notifyOverflow
WARNING: Content of the region-body on page 8 overflows the available area
in block-progression dimension. (fo
:page-sequence, location: 129/74)

Here are the masters in use.  If someone in looking into this is detail I
can send you the .fo file directly since the content is somewhat
confidential to the client.

  <fo:layout-master-set>
      <fo:page-sequence-master master-name="bothFlow">
         <fo:repeatable-page-master-alternatives>
            <fo:conditional-page-master-reference odd-or-even="odd"
master-reference="oddFlow"/>
            <fo:conditional-page-master-reference odd-or-even="even"
               master-reference="evenFlowBlank"/>
         </fo:repeatable-page-master-alternatives>
      </fo:page-sequence-master>
      <fo:simple-page-master page-width="8.5in" page-height="11in"
margin-top="0in"
         margin-bottom="0in" margin-left="0pc" margin-right="0pc"
master-name="oddFlow">
         <fo:region-body margin-left=".5in" margin-right=".5in"
margin-top="1in" margin-bottom="1in"/>
         <fo:region-before region-name="beforeOdd" extent="1in"/>
         <fo:region-after region-name="afterOdd" extent="0.5in"/>
      </fo:simple-page-master>
      <fo:simple-page-master page-width="8.5in" page-height="11in"
margin-top="0in"
         margin-bottom="0in" margin-left="0in" margin-right="0in"
master-name="evenFlowBlank">
         <fo:region-body margin-left=".5in" margin-right=".5in"
margin-top="8in" margin-bottom="3in"/>
         <fo:region-after region-name="afterFlowBlank" extent="0.5in"/>
      </fo:simple-page-master>



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