{"draft":"draft-leiba-rfc2119-update-02","doc_id":"RFC8174","title":"Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words","authors":["B. Leiba"],"format":["ASCII","HTML"],"page_count":"4","pub_status":"BEST CURRENT PRACTICE","status":"BEST CURRENT PRACTICE","source":"IETF - NON WORKING GROUP","abstract":"RFC 2119 specifies common key words that may be used in protocol \r\nspecifications. This document aims to reduce the ambiguity by\r\nclarifying that only UPPERCASE usage of the key words have the \r\ndefined special meanings.","pub_date":"May 2017","keywords":[],"obsoletes":[],"obsoleted_by":[],"updates":["RFC2119"],"updated_by":[],"see_also":["BCP0014"],"doi":"10.17487\/RFC8174","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc8174"}