You can click on the Google or Yahoo buttons to sign-in with these identity providers,
or you just type your identity uri and click on the little login button.
reproduced on elo but not in test nor on my test instance. The original pb caused by duplicated 'concerns' information in the form params, one in the 'concerns' field, the other in __linkto.
As I can't reproduce this with more recent version, I change this ticket as done, we'll see if the pb actually occurs with upgraded version of cw/tracker.
Ticket #472797 - latest update on 2011/06/20, created on 2009/10/02 by Aurelien Campeas