This is a commit snapshot of the specification

This document contains the contents of the specification as of commit f8e028bac2de013a18465d97d8d350f7f3e48875 , and should only be used as a historical reference. This commit may not have even been merged into the specification.

Do not attempt to implement this version of the specification. Do not reference this version as authoritative in any way. Instead, see for the living specification.