The IESG has approved the following document: - 'Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words' (draft-leiba-rfc2119-update-02.txt) as Best Current Practice This document has been reviewed in the IETF but is not the product of an IETF Working Group. The IESG contact person is Ben Campbell. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-leiba-rfc2119-update/ Technical Summary This document updates RFC 2119 to change the keyword boilerplate only apply for keywords used in UPPER CASE. Working Group Summary This is not a working group document. However, there was significant discussion on the IETF discussion list, with generally favorable comments. Document Quality We expect many "implementations" of the procedures in this document. A number of authors have made similar modification to the RFC 2119 boilerplate on an ad-hoc basis over the past few years. Personnel The responsible AD is Ben Campbell. There is no assigned shepherd.