# HG changeset patch
# User Sylvain Thénault <sylvain.thenault@logilab.fr>
# Date 1264498011 -3600
# Node ID 30f745305997e28e6418e47029579c6762923365
# Parent  7db69db4913c4047460d264b5d973ea6a27f9f01
must catch UnmodifiedField exception in has_been_modified

diff -r 7db69db4913c -r 30f745305997 web/formfields.py
--- a/web/formfields.py	Tue Jan 26 10:24:50 2010 +0100
+++ b/web/formfields.py	Tue Jan 26 10:26:51 2010 +0100
@@ -328,6 +328,8 @@
                 new_value = self.process_form_value(form)
             except ProcessFormError:
                 return True
+            except UnmodifiedField:
+                return False
             if form.edited_entity.has_eid() and previous_value == new_value:
                 return False # not modified
             return True