[Mailman-Developers] error handling

[Barry A. Warsaw]

>>>>> "GM" == Gergely Madarasz <gorgo@caesar.elte.hu> writes:

    GM> There is a bug in 1.0b4... if someone tries to subscribe while
    GM> he is already subscribed, he does not get an explanation
    GM> message, but an error message from sendmail stating "Unknown
    GM> mailer error". MMAlreadyAMember should be handled here

I think Ken discovered this bug too, but I'm not sure it's been fixed
in our current working copy.  It definitely needs to be though.

-Barry