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-Alpha'
summary: 'Support XEP-0334: Message Processing Hints for MUC messages'
...
Introduction
============
This module will check for MUC messages with XEP-0334 Message
Processing Hints tags to qualify those messages as "historic"
for later MAM archiving or not.
Usage
=====
First copy the module to the prosody plugins directory.
Then add "muc\_mam\_hints" to your modules\_enabled list in your MUC
component:
``` {.lua}
Component "conference.example.org" "muc"
modules_enabled = {
"muc_mam",
"muc_mam_hints",
}
```