mod_compat_roles: Fix attempt to index a nil value #1847
permissions[] is not a map with role names as keys since 817bc9873fc2
but instead a level with host names were added. This was likely an
oversight.
Refactored towards railroad.
---
labels:
- 'Stage-Stable'
summary: 'XEP-0279: Server IP Check'
...
Introduction
============
Sometimes for various reasons a client might want to know its IP address
as it appears to the server. This [simple
XEP](http://xmpp.org/extensions/xep-0279.html) allows the client to ask
the server for the IP address it is connected from.
Compatibility
=============
----- -------
0.7 Works
0.6 Works
----- -------