This is a commit snapshot of the specification

This document contains the contents of the specification as of commit f7a13651f4801918e02d12b96d49e14caf58f544 , and should only be used as a historical reference.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.