diff -r bf9f8fa7e5dc -r dd4487c3f21e web/views/formrenderers.py
--- a/web/views/formrenderers.py	Wed Jun 29 18:28:55 2011 +0200
+++ b/web/views/formrenderers.py	Wed Jun 29 18:29:13 2011 +0200
@@ -37,7 +37,6 @@
 
 from warnings import warn
 
-from logilab.common import dictattr
 from logilab.mtconverter import xml_escape
 
 from cubicweb import tags, uilib
@@ -193,7 +192,7 @@
         if form.domid:
             attrs.setdefault('id', form.domid)
         if form.onsubmit:
-            attrs.setdefault('onsubmit',  form.onsubmit % dictattr(form))
+            attrs.setdefault('onsubmit',  form.onsubmit)
         if form.cssstyle:
             attrs.setdefault('style', form.cssstyle)
         if form.cssclass: