> For the complete documentation index, see [llms.txt](https://docs.ogf.org/ogf-document-template/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ogf.org/ogf-document-template/2.-notational-conventions.md).

# 2. Notational Conventions

Only include this section if applicable.

The key words ‘MUST,” “MUST NOT,” “REQUIRED,” “SHALL,” “SHALL NOT,” “SHOULD,” “SHOULD NOT,” “RECOMMENDED,” “MAY,” and “OPTIONAL” are to be interpreted as described in RFC 2119 [\[BRADNER\]](/ogf-document-template/11.-references.md), except that the words do not appear in uppercase.