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The PDF document format is incredibly complex. It can incorporate JavaScript actions !
by Jacobi 14y ago
The PDF document format is incredibly complex. It can incorporate JavaScript actions !
- ygra 14y agoThey are not needed to parse the file. PDFs can also contain Flash content or movies or 3D models or any number of other objects. It's just a blob in the file, same as OLE. Few applications beyond Adobe Reader care about implementing those parts, though.