The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.
This document also refers to the following terms and definitions:
- AsciiRFC
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an AsciiDoc-derived syntax used for authoring RFCs and Internet-Drafts, as defined in [I-D.ribose-asciirfc].