FDL requirements for original author

[David Picón Álvarez]

> What's the risk case? If the author released a PDF, you reuse it under
> the GFDL and the author then sues you for copyright violation because
> you didn't keep to the "transparent copy" part of the licence terms,
> what judge wouldn't throw it out? That's a serious question. I suppose
> I should ask licensing@ really ...

Not sure, you might be able to use some stopel doctrine or unclean hands or 
whatever, but ask someone who has a clue, yes. :-)

--David.