Implementors of PFIF should read the PFIF FAQ.
PFIF 1.2 is the standard to use.
If you have an existing implementation of PFIF 1.1, only small changes are needed to emit valid PFIF 1.2.
The PFIF 1.2 Specification is frozen. Further information and clarifications about the specification are being added to the PFIF FAQ.
The editor of the specification is
Ka-Ping Yee.
He can be reached at ping
zesty.ca.