Re: PDF is blocked for printing, etc. OK for acroread (it behaves as expected), but KPDF allows me to print it, even if it is protected! Why?

[Merciadri Luca <Luca.Merciadri@student.ulg.ac.be>]

Johannes Wiedersich wrote:
> Merciadri Luca wrote:
> > Gunnar Wolf wrote:
> >> Merciadri Luca dijo [Tue, Apr 20, 2010 at 02:00:13PM +0200]:
> >>   
> >>
> >> Yet, you say in your previous reply they would be able to remove the
> >> watermark from the document. That is clearly more complicated.
> >>   
> > Sure, but I think that PDFs are composed `in layers,' aren't they? If
> > `layers' were not merged together, it might still be possible to remove
> > the watermark.
>
> Gunnar did not suggest not to merge the layers, did he?
He did not, as you said.
> Just use a grey-by-dotting watermark for black text, merge the layers
> and it will
> be rather difficult to remove the watermark.
I did not merge the layers before sending it to them. Problematic?

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Merciadri Luca
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