# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1298246417 -3600
# Node ID 8646ffc3021f0d00601a61938f0e98e1974d5535
# Parent  f2b8b86168a387eb9c4e7a4a96c37fa6e8313223
Support parameter processing where the incoming value is None.
(Imported from revision 128.)

diff -r f2b8b86168a3 -r 8646ffc3021f EventAggregatorSupport.py
--- a/EventAggregatorSupport.py	Mon Feb 21 00:46:38 2011 +0100
+++ b/EventAggregatorSupport.py	Mon Feb 21 01:00:17 2011 +0100
@@ -1425,7 +1425,10 @@
 
     n = None
 
-    if arg.startswith("current"):
+    if arg is None:
+        return None
+
+    elif arg.startswith("current"):
         date = getCurrentMonth()
         if len(arg) > 8:
             n = int(arg[7:])