anchor.diff:  
   % @doc Find all identities with the given handle.  The handle is either an e-mail address or an username.
   lookup_identities(Handle, Context) ->
  -	lookup_by_username(Handle, Context) ++ lookup_by_email(Handle, Context).
  +    Handle1 = z_string:trim(Handle),
  +	lookup_by_username(Handle1, Context) ++ lookup_by_email(Handle1, Context).
   
   lookup_by_username(Handle, Context) ->
   	case m_identity:lookup_by_username(Handle, Context) of
  
positive.code: 
  
  %% @doc Find all users with a certain e-mail address
  %% @todo TODO
  lookup_by_email(_Handle, _Context) ->
  	[].
  
  
  %% Send an e-mail reminder to the listed ids.
  
negative.code: 					logon_error(Context);
  				Identities ->
  					% @todo TODO check if reminder could be sent (maybe there is no e-mail address)
  					send_reminder(Identities, Context),
  					reminder_success(Context)
  			end
  