On 8 aug. 2013, at 10:17, Rilke Rainer Michael <ri...@wiso.uni-koeln.de> wrote:

> Hi List,
> I want to export a lyx document to a pdf. However, I want also that once 
> reading the document it is impossible to copy and paste text from this pdf. 
> Do you have any idea, whether there is a workaround for lyx?

Basically you want DRM. Which is silly at best.

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