1.4 Normative and non-normative statements

This specification uses a standard information structure. The following rules apply regarding normativity of the different sections:

  • Statements expressed as requirements, permissions, or prohibitions according to the use of modal verbs, as defined in Section 1.5.2, "Modal verbs", are normative.

  • Rules in "Rules" sections are normative.

  • .proto files are normative.

  • Examples, use case descriptions, and instructions are non-normative.

  • Doxygen reference documentation is non-normative.