PdfForms::FdfHex
Inherits PdfForms::Fdf / PdfForms::DataFormat / Reference / Object
Map keys and values to Adobe"s FDF format.
This is a variation of the original Fdf data format, values are encoded in UTF16 hexadesimal notation to improve compatibility with non ascii charsets.
Information about hexadesimal FDF values was found here:
http://stackoverflow.com/questions/6047970/weird-characters-when-filling-pdf-with-pdftk