Actually, the feature is 100% documented in ISO 32000-1:2008.
HOWEVER, the feature involves the use of Digital Signatures/Certificates
and so a pair of them is needed. Adobe and others implement this by
incorporating the public certificate into their readers, and then use the
private cert at crea
Hello,
The function PdfPage::CreateAnnotation() allows to create PDF annotations. They
are displayed in AcroRead and Acrobat (and Mac OS X preview.app).
However, you need Acrobat to edit annotations and change their state (e.g. to
"accepted"). If you open the same PDF in AcroRead, all annotatio
