Maciej Hanski wrote: > It cannot even be done with Adobe Acrobat (full version), you would have > to use Adobe Reader Extensions[1][2] Looks like it works in Acrobat 8. > Somebody could of course look into one of those "enabled" pdf forms, > find the subtle difference and try to implement these features in other > software, but I presume Adobe lawyers would not simply watch in silence. > > It's not that easy. The feature is fully documented, but requires a certificate signed by Adobe's private key for Adobe Reader to honour it. It'd be necessary to extract the signing key from Acrobat or another enabled product.
-- Craig Ringer
