1.1. Requirements Notation and Conventions (要件表記と慣例)
1.1 Requirements Notation and Conventions (要件表記と慣例)
本文書に現れる "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", "OPTIONAL" のキーワードは, 本文中でこのようにすべて大文字で示される場合に限り, BCP 14 [RFC2119] [RFC8174] に記載のとおりに解釈される.