znc/znc — pull request #682 by NuclearW (2014-09-26 18:33:14+00:00)
Title: Add ircv3.2 METADATA numerics to route_replies

Consider this future-proofing, I know of no IRCd which presently uses METADATA but the numerics are defined and [metadata](https://github.com/ircv3/ircv3-specifications/blob/master/specification/metadata-3.2.md) has not been changed substantially since April of 2013.