Ensure multiline message after line_treat are collapsed to one line

modules/mediawiki.py

@@ -80,6 +80,7 @@ def cmd_mediawiki(msg):
         raise IRCException("indicate a domain and a term to search")
 
     return Response(get_page(msg.cmds[1], " ".join(msg.cmds[2:])),
+                    line_treat=lambda line: irc_format(parse_wikitext(msg.cmds[1], line)),
                     channel=msg.receivers)
 
 

response.py

@@ -130,7 +130,7 @@ class Response:
             return self.treat_ctcp(self.nomore)
 
         if self.line_treat is not None and self.elt == 0:
-            self.messages[0] = self.line_treat(self.messages[0])
+            self.messages[0] = self.line_treat(self.messages[0]).replace("\n", " ").strip()
 
         msg = ""
         if self.channel is not None and self.nick is not None: