Thank you for your last call comments of 08 Jul 2016; reply included in https://mailarchive.ietf.org/arch/msg/ietf/yKbjLYUcxHHdj63PbrWbte12jBE in particular: • Added text about obsoleting RFC 3778. • Under “Interoperability”, added reference to annex I of ISO 32000-1 • Something like the missing sentence in “Security Considerations” was put back, and explained. Sorry for the delay in replying. Larry -- http://larry.masinter.net