--- a/roundup/cgi/templating.py	Fri Nov 05 20:48:35 2004 +0000
+++ b/roundup/cgi/templating.py	Sat Nov 06 15:00:47 2004 +0000
@@ -1804,9 +1804,13 @@
     ''' A convenience access to the :columns index parameters
     '''
     def __init__(self, columns):
-        self.columns = {}
-        for col in columns:
-            self.columns[col] = 1
+        if columns:
+            self.columns = {}
+            for col in columns:
+                self.columns[col] = 1
+        else:
+            self.__getitem__ = lambda name: 1
+
     def __getitem__(self, name):
         return self.columns.has_key(name)