diff -r db28adbf6a73 roundup/cgi/actions.py
--- a/roundup/cgi/actions.py	Fri Mar 14 15:08:32 2014 +0100
+++ b/roundup/cgi/actions.py	Tue Mar 18 10:23:57 2014 -0400
@@ -590,8 +590,7 @@
 
     def handleCollision(self, props):
         message = self._('Edit Error: someone else has edited this %s (%s). '
-            'View <a target="new" href="%s%s">their changes</a> '
-            'in a new window.')%(self.classname, ', '.join(props),
+            )%(self.classname, ', '.join(props),
             self.classname, self.nodeid)
         self.client.error_message.append(message)
         return