diff --git a/doc/Manual.txt b/doc/Manual.txt
index 843cdd2..ca833bc 100644
--- a/doc/Manual.txt
+++ b/doc/Manual.txt
@@ -491,7 +491,10 @@ along with extensions to use.  For example, in
             '.mw':writers.MediaWiki,
             }
 
-If an extension is ``.none`` the output will *not* be written to a file.
+If an extension begins in ``.none`` the output will *not* be written
+to a file.  Note that you can't have the same extension multiple times
+due to the way python dictionaries work: use ``.none1``, ``.none2``,
+etc.
 
 This *can* be configured through supybot.  To do this, set
 ``supybot.plugins.MeetBot.writer_map`` to a space-separated list of
diff --git a/ircmeeting/meeting.py b/ircmeeting/meeting.py
index c555fe0..bf912c9 100644
--- a/ircmeeting/meeting.py
+++ b/ircmeeting/meeting.py
@@ -218,7 +218,7 @@ class Config(object):
                 if getattr(self, "dontSave", False):
                     pass
                 # ".none" or a single "." disable writing.
-                elif extension.lower() in (".none", "."):
+                elif extension.lower()[:5] in (".none", "."):
                     pass
                 else:
                     self.writeToFile(text, filename)