[xep-support] initial-page-number forces blank page

[Bob Stayton]

I've discovered that I get an unwanted blank page when I
set a page-sequence's initial-page-number property to an odd number
when the previous page-sequence ends on an odd number.

I've included a complete FO example with two page sequences, each
with a short block of text for a single page.  If the second page-sequence
has initial-page-number  set to an odd number such as 5, my output is:

1    First page text.
2    Blank page.
5    Second page text.

If I set initial-page-number to an even number, say 6, I get:

1  First page text.
6  Second page text.

I get the same behavior with XEP, FOP, and Antenna House. It appears the
XSL-FO processors require the pages to alternate odd and even numbers,
even when the numbering is being manually reset.  This is not useful when
you are
producing single-sided output.  I've not found a property that turns off
this behavior.  Is there one?

Bob Stayton
Sagehill Enterprises
Docbook Consulting
bobs at sagehill.net

<?xml version="1.0"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
  <fo:layout-master-set>
    <fo:simple-page-master master-name="body" page-width="8.5in"
page-height="11in" margin-top="0.5in" margin-bottom="0.5in"
margin-left="1in" margin-right="1in">
      <fo:region-body margin-bottom="0.5in" margin-top="0.5in"
column-gap="12pt" column-count="1"/>
      <fo:region-before region-name="xsl-region-before" extent="0.4in"
display-align="before"/>
      <fo:region-after region-name="xsl-region-after" extent="0.4in"
display-align="after"/>
    </fo:simple-page-master>
  </fo:layout-master-set>
  <fo:page-sequence master-reference="body">
    <fo:static-content flow-name="xsl-region-before">
       <fo:block>
         <fo:page-number/>
       </fo:block>
    </fo:static-content>
    <fo:flow flow-name="xsl-region-body">
      <fo:block>
        <fo:block>First some text on the first page
        </fo:block>
      </fo:block>
    </fo:flow>
  </fo:page-sequence>
  <fo:page-sequence master-reference="body" initial-page-number="5">
    <fo:static-content flow-name="xsl-region-before">
       <fo:block>
         <fo:page-number/>
       </fo:block>
    </fo:static-content>
    <fo:flow flow-name="xsl-region-body">
      <fo:block>
        <fo:block>Then some text on the second page
        </fo:block>
      </fo:block>
    </fo:flow>
  </fo:page-sequence>
</fo:root>




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