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From Martin Schröder <mar...@oneiros.de>
Subject Re: Permissions
Date Fri, 20 Jun 2014 11:35:49 GMT
2014-06-20 3:54 GMT+02:00 Brzrk One <brzrk1@gmail.com>:
> Try as I might, I just cannot change the permissions of a PDF document so
> that the AcroReader user can manipulate comments.
> What is the magic here?

DRM. The document has to be digitally signed by an Adobe Application.

https://en.wikipedia.org/wiki/Adobe_LiveCycle_Reader_Extensions

Best
   Martin

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