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https://issues.apache.org/jira/browse/FOP-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexis Giotis resolved FOP-1840.
--------------------------------

    Resolution: Fixed

All of our tests have finished successfully. Well done to all of you.  

I agree that the issue with balance-5.fo is not related to the column balancing 
algorithm. Next week I will open a new Jira issue for this (unless an easy fix 
is found).

I am resolving and closing this issue on behalf of the reporter who is no 
longer employed here.
                
> [PATCH] Region-Body Column balancing incorrect if content is table with header
> ------------------------------------------------------------------------------
>
>                 Key: FOP-1840
>                 URL: https://issues.apache.org/jira/browse/FOP-1840
>             Project: Fop
>          Issue Type: Improvement
>          Components: page-master/layout
>    Affects Versions: 1.0
>         Environment: Operating System: All
> Platform: PC
>            Reporter: a.kovacs
>            Assignee: fop-dev
>         Attachments: b49801_dirty_hack.patch, b49801.fo, 
> balance-2-expected.pdf, balance-2.fo, balance-2.pdf, balance-3.fo.xml, 
> balance-4-edited.fo.xml, balance-4.fo.xml, balance-4-none.fo.xml, 
> balance-4.pdf, balance-5.fo, balancing-fos.zip, fix.diff, fo.xml, 
> output-balance5.pdf, patch.diff, test-after.pdf, test-before.pdf
>
>
> To reproduce bug please do the following:
> Use:
> <fo:region-body region-name="PageBody" column-count="2" />
> Fill the region-body with content like :
> <fo:block span="none" > ...(content is table with header) ..
> <fo:block span="all"> ... (one line (summary)) ..
> If the content is made of normal blocks the columns are balanced before the 
> span="all" summary line.
> like:
> 123456    456789
> 234567    567890
> 345678    678901
> Summary: 1234567890
> If the content is a table without headers the columns are balanced correct. 
> like:
> 123456    456789
> 234567    567890
> 345678    678901
> Summary: 1234567890
> If the content is a table with header the columns are not balanced correct. 
> (the right one is shorter.)
> Header    Header
> 123456    567890
> 234567    678901
> 345678    
> 456789
> Summary: 1234567890
> The "computeDemerits()" algorithm is wrong in class 
> "BalancingColumnBreakingAlgorithm".
> The "fullLen" value is to short. Exactly the replicated header width is 
> missing. In the "par" list the header is contained only once although the 
> header is displayed in every column. (in the example twice)
> Solution could be to place the header as many times in the "par" list as many 
> columns exist, or to count the existing one header as many times as needed.

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