| MUST SHOULD MAY |
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119. (what's this?) |
This template adds a notice that an article or other page uses all-capital modal verbs to indicate requirement levels following RFC 2119. See Pin Eight:Manual of Style/RFC 2119.