> ## Documentation Index
> Fetch the complete documentation index at: https://gpars.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Conformance language

> How to interpret requirement levels in this specification.

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", and "MAY" in this document are to be interpreted as described in [RFC 2119](https://www.rfc-editor.org/rfc/rfc2119).