# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1295465832 -3600
# Node ID 4f897d0e01c43e72b92ba0df90e3467971bde9f6
# Parent  8173e57522bf9849e76d1cc57fd1cc69d9676576
plugins.groupchat: Trying to get subject to behave properly

diff -r 8173e57522bf -r 4f897d0e01c4 plugins/groupchat.lua
--- a/plugins/groupchat.lua	Thu Jan 13 00:23:17 2011 +0100
+++ b/plugins/groupchat.lua	Wed Jan 19 20:37:12 2011 +0100
@@ -38,7 +38,7 @@
 		end
 		local room = setmetatable({
 			stream = stream, jid = jid, nick = nick,
-			subject = "",
+			subject = nil,
 			occupants = {},
 			events = events.new()
 		}, room_mt);
@@ -80,8 +80,9 @@
 		end);
 		room:hook("message", function(msg)
 			local subject = msg.stanza:get_child("subject");
+			subject = subject and subject:get_text();
 			if subject then
-				room.subject = subject and subject:get_text() or "";
+				room.subject = #subject > 0 and subject or nil;
 			end
 		end);
 		local join_st = st.presence({to = jid.."/"..nick})