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From Vincent Hennebert <vhenneb...@gmail.com>
Subject [PDF] Entries in number tree not specified as indirect references
Date Tue, 29 Sep 2009 14:38:05 GMT
Hi,

The StructTreeRoot dictionary must have a ParentTree entry whose type is
a number tree. As explained in Section 3.8.5, “Number Trees” of the PDF
Reference, Third Edition, the Nums entry of a number tree node must be
an array of key-value pairs where value is an indirect reference to the
object associated with the key.

This is not what is done in the current implementation of Logical
Structure in FOP (Temp_Accessibility branch). The value (an array) is
directly stored in the array of key-value pairs instead of being
referenced. So technically the PDF produced is invalid. Acrobat doesn’t
seem to complain, though.

Did I miss anything?
Thanks,
Vincent

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