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https://issues.apache.org/jira/browse/PDFBOX-2689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328214#comment-14328214
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Maruan Sahyoun commented on PDFBOX-2689:
----------------------------------------

Yes, it does.

About flagging newer features - from conversation I had with Olaf Drümmer 
(again thanks for sharing the knowledge) - a PDF/A-1b validator should not flag 
such keys but ignore them (as it didn't know about them) and act as they 
wouldn't exist. 

The same is true for a PDF/A-1b consuming application which should treat the 
PDF as if such keys would not exist.

But there are some areas in the PDF/A-1b spec which explicitly limit possible 
values such as 

{quote}
6.2.10 A content stream shall not contain any operators not defined in PDF 
Reference even if such operators are bracketed by the BX/EX compatibility 
operators.
{quote}

As this refers to PDF 1.4 any new operators introduced since are not allowed. 
In that case - as we'd need to check if the operator is within the list - a new 
operator would fail the validation. 



> Implement page transitions
> --------------------------
>
>                 Key: PDFBOX-2689
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2689
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: PDModel
>    Affects Versions: 2.0.0
>            Reporter: Andrea Vacondio
>            Priority: Minor
>              Labels: transitions
>             Fix For: 2.0.0
>
>         Attachments: glitter.pdf, transitions.diff, transitions_test.pdf
>
>
> I implemented page transitions as described in the spec 32000-1:2008 chapter 
> 12.4.4.1
> I'm attaching the diff file and the test pdf document. Feel free to use it 
> and/or change it.



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