It's a bit inconvenient that one also has to type in the
*Login - Confirm Password* if one only wants to change
the *Preferences -- Subscriptions*.  --[[tschwinge]]

> You don't. The password fields on the preferences fields are only needed
> if you want to change your password and should otherwise be left blank.
> --[[Joey]]

>> Aha, then the problem is Firefox, which is automatically filling the
>> *Password* field with its previous value, but not filling the
>> *Confirm Password* one.  --[[tschwinge]]