Overview#

RFC 8174 is a RFC describing Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words and is part of BCP 14

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More Information#

There might be more information for this subject on one of the following:

• Key words for use in RFCs to Indicate Requirement Levels
• MAY
• MUST
• MUST NOT
• RFC 2119
• SHALL
• SHOULD
• SHOULD NOT