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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? Just use a
grey-by-dotting watermark for black text, merge the layers and it will
be rather difficult to remove the watermark.

- --
Johannes

In questions of science, the authority of a thousand is not worth the
humble reasoning of a single individual.
- - Galileo Galilei, physicist and astronomer (1564-1642)
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