escape subject in set_subject and do not TB

src/groupchat_window.py

@@ -341,6 +341,7 @@ class GroupchatWindow(chat.Chat):
 	def set_subject(self, room_jid, subject):
 		self.subjects[room_jid] = subject
 		name_label = self.name_labels[room_jid]
+		subject = gtkgui_helpers.escape_for_pango_markup(subject)
 		name_label.set_markup('<span weight="heavy" size="x-large">%s</span>\n%s' % (room_jid, subject))
 		event_box = name_label.get_parent()
 		if subject == '':

src/gtkgui_helpers.py

@@ -21,6 +21,7 @@
 ##
 
 import xml.sax.saxutils
+import gtk
 
 def escape_for_pango_markup(string):
 	# escapes < > & \ "