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Challenges of PDF/UA for Very Long Documents


Tagged PDF presents a number of challenges when creating lengthy documents. Currently, PDF/UA experts are considering those issues and whether to implement changes in the upcoming versions of PDF/UA standards, or to leave that aspect to tool developers.


Author: Shawna McAlearney
Date: April 1, 2012

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Challenges of PDF/UA for Very Long Documents

Tagged PDF presents a number of challenges when creating lengthy documents.

“The main problem is, that tagged PDF essentially defines a DOM, and as that DOM is a tree structure and tends to be parsed and processed in one go, it might become too large of a tree structure to be processed efficiently,” say experts.

Currently, PDF/UA experts are considering those issues and whether to implement changes in the upcoming versions of PDF/UA standards, or to leave that aspect to tool developers.