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[xsl] break-before="odd-page" at start of flow

2011-04-21 09:21:32
Hi, I'm at it again :-)

[And first, on a side note, WOW am I having problems getting e-mail through to 
the list using our corporate Outlook - the daemon chokes on BASE64 encoding, 
multipart/mime, some content types etc etc ... as a consumer of the list I am 
happy that the rules are in place but MAN is Outlook making things hard in 
complying!]

Back to the issue at hand. I'm trying to break rendering of appendices into one 
page-sequence each for optimization purposes; see the minimal FO file here:

http://pastebin.com/52fcwBiA
(yeah, I didn't manage to attach a file in the regular way, so ...)

The first object in each appendix flow is a block with break-before="odd-page" 
since each appendix should start on the right side of a booklet. The page 
sequence master specifies distinct blank pages and the docs clearly state:

  odd-page:
  Imposes a break-before condition with a context consisting of odd page-areas 
(a blank page may be generated if necessary)

But a regular even page is generated instead of a blank one. You can see in the 
generated PDF that there is a page number at the bottom of the supposedly blank 
page when there shouldn't be one. However, if I put a block with an odd-page 
break in the SAME sequence/flow as another one, then blanks are generated 
properly between them as necessary. So this only happens at the very start of a 
flow. I'm using fop trunk.

Yes, I realize that it is possible to do it the other way around by putting 
force-page-count="even" on preceding sequences, but that's no good for two 
reasons:
* It potentially adds extra blank pages at the very end of the document, which 
are sent to the printer and everything ...
* And it forces me to make special-case code in each sequence that may 
potentially have an appendix following it, to prepare for the blank pages at 
the end, which quickly becomes very messy.

Any ideas? Is this a bug or by design?

/F

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