[poppler] Spec question: Incremental updates and mixing XRef tables and streams

Leonard Rosenthol lrosenth at adobe.com
Mon Apr 23 16:54:27 PDT 2012

On 4/23/12 11:37 PM, "Fabio D'Urso" <fabiodurso at hotmail.it> wrote:

>According to my tests, it seems to me that it's not possible to
>update a document indexed by a XRef stream by appending a XRef table and
>making /Prev point to the previous XRef stream (which is what poppler
>currently does). 

As they say in Ghostbusters - "Don't cross the streams"!

You are correct, you can't do that.  If the original file uses Xref
streams, you need to append the same way.


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