mod_http_oauth2: Make note about handling repeated RFC 6749 states > If an authorization code is used more than once, the authorization > server MUST deny the request and SHOULD revoke (when possible) all > tokens previously issued based on that authorization code. We should follow the SHOULD. The MUST is already covered by removing the code state from the cache.

---
labels:
- 'Stage-Alpha'
summary: 'XEP-0033: Extended Stanza Addressing'
...

Introduction
============

This module is a partial implementation of [XEP-0033: Extended Stanza
Addressing](http://xmpp.org/extensions/xep-0033.html).

TODO
====

Query external servers for support.