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https://issues.apache.org/jira/browse/FOP-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17949695#comment-17949695
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Martin Leitner commented on FOP-3245:
-------------------------------------
[~jgoncalves] I disagree insofar as I think the examples attached to the ticket
do not try to concatenate FO documents. They try to append existing PDF
documents, and they use {{fox:external-document}} exactly in the way it is
supposed to be used.
Concatenating FO documents would be attaching page2.fo rather than page2.pdf.
This will not work, regardless of PDF/UA or not, and rightfully so, because
this is not what {{fox:external-document}} is supposed to do.
However, I do take the point made in the linked FOP-3230, that
{{fox:external-document}} never even tries to add the structure tree, so the
effort to fix this may be very high compared to the gain.
> fox:external-document - PDF/UA template with PDF/UA attachments not PDF/UA
> --------------------------------------------------------------------------
>
> Key: FOP-3245
> URL: https://issues.apache.org/jira/browse/FOP-3245
> Project: FOP
> Issue Type: Bug
> Components: renderer/pdf
> Affects Versions: 2.10
> Reporter: Martin Leitner
> Priority: Major
> Attachments: arial.ttf, arialbd.ttf, arialbi.ttf, ariali.ttf,
> fop.xconf, page1.fo, page1.pdf, page1_and_doc.fo, page2.fo, page2.pdf,
> page2_and_doc.fo
>
>
> When attaching a PDF that is PDF/UA compliant to a PDF/UA template via
> fox:external-document, the result is a PDF that is not compliant with PDF/UA
>
> Replication Steps:
> Set accessibility to true, and add PDF/UA profile to the pdf part of the fop
> config.
> Produce a simple PDF/UA, e.g. by using the attached files and running
> call fop -fo page1.fo -c fop.xconf -pdf page1.pdf
> Then render a different FO that includes an existing PDF/UA like this:
> call fop -fo page2_and_doc.fo -c fop.xconf -pdf page2_and_doc.pdf
>
> The resulting PDF should again be PDF/UA, but it is not. It seems that the
> structure tree from the referenced PDF is not added to the result at all.
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