From 3a1fc6fb664aa19360d7bdb4ecbb72fe2dc214dc Mon Sep 17 00:00:00 2001
From: Holger Weiss <holger@zedat.fu-berlin.de>
Date: Fri, 3 Jun 2016 19:02:26 +0200
Subject: Ignore <delay/> when checking for chat states

Ignore XEP-0203 elements when checking whether a message stanza is a
standalone chat state.
---
 src/jlib.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/jlib.erl b/src/jlib.erl
index bad46898d..8fe2b9774 100644
--- a/src/jlib.erl
+++ b/src/jlib.erl
@@ -532,8 +532,10 @@ rsm_encode_count(Count, Arr) ->
 -spec is_standalone_chat_state(xmlel()) -> boolean().
 
 is_standalone_chat_state(#xmlel{name = <<"message">>, children = Els}) ->
+    IgnoreNS = [?NS_CHATSTATES, ?NS_DELAY],
     Stripped = [El || #xmlel{name = Name, attrs = Attrs} = El <- Els,
-		      fxml:get_attr_s(<<"xmlns">>, Attrs) /= ?NS_CHATSTATES,
+		      not lists:member(fxml:get_attr_s(<<"xmlns">>, Attrs),
+				       IgnoreNS),
 		      Name /= <<"thread">>],
     Stripped == [];
 is_standalone_chat_state(_El) -> false.
-- 
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