This is a commit snapshot of the specification

This document contains the contents of the specification as of commit 1ab6c465dc3e8f744e2d81cc40271d718a68510c , and should only be used as a historical reference.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.