--- a/web/views/forms.py	Thu Nov 19 14:28:59 2009 +0100
+++ b/web/views/forms.py	Thu Nov 19 17:06:46 2009 +0100
@@ -89,6 +89,7 @@
         if mainform:
             self.form_add_hidden('__errorurl', self.session_key())
             self.form_add_hidden('__domid', self.domid)
+        # XXX why do we need two different variables (mainform and copy_nav_params ?)
         if self.copy_nav_params:
             for param in NAV_FORM_PARAMETERS:
                 if not param in kwargs: