You can always modify a non-encrypted/secured PDF.  Signing a PDF doesn't
prevent modification, it simply enables the ability to DETECT modification.

Leonard

On 5/17/13 11:01 AM, "twain" <ant.mari...@gmail.com> wrote:

>Ok, 
>
>but what about the meaning of revision?
>If I sign a pdf than I cannot modify it, and it doesn't matter if I
>create a
>new revision.
>
>
>
>--
>View this message in context:
>http://itext-general.2136553.n4.nabble.com/New-revision-issues-tp4658282p4
>658285.html
>Sent from the iText - General mailing list archive at Nabble.com.
>
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AlienVault Unified Security Management (USM) platform delivers complete
security visibility with the essential security capabilities. Easily and
efficiently configure, manage, and operate all of your security controls
from a single console and one unified framework. Download a free trial.
http://p.sf.net/sfu/alienvault_d2d
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