mod_muc_mam_hints: Respect XEP-0334 hints in MUC messages Hook muc-message-is-historic and check if Message Processing Hints are present to compute the return value.

author: marc0s <marcos@tenak.net>
date: Wed, 13 Feb 2019 15:52:58 +0100
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_muc_mam_hints/README.markdown	Wed Feb 13 15:52:58 2019 +0100
@@ -0,0 +1,28 @@
+---
+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",
+}
+```
author	marc0s <marcos@tenak.net>
date	Wed, 13 Feb 2019 15:52:58 +0100