Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words

The information below is for an old version of the document
Document Type Active Internet-Draft (individual)
Author Barry Leiba 
Last updated 2017-03-09 (latest revision 2017-02-06)
Stream Internet Engineering Task Force (IETF)
Formats pdf htmlized bibtex
Additional Resources
Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state Waiting for AD Go-Ahead
Consensus Boilerplate Yes
Telechat date
Responsible AD Ben Campbell
Send notices to (None)
IANA IANA review state IANA OK - No Actions Needed
Error; cannot read 'draft-leiba-rfc2119-update-01.txt'