mod_pubsub_serverinfo: Detect existence of pub/sub node Instead of blindly trying to create the pub/sub node to publish items to, a service discovery query is performed to check if node creation is required. Added various bits of warn and debug logging, to give a user better feedback if and why something is failing.

---
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.