what does the period mean in edit key mode?

[Douglas F. Elznic]

--=-O9HZIy4+SOnh94M3JIgq
Content-Type: text/plain
Content-Transfer-Encoding: quoted-printable

Hello,
 What does the . mean next to the 3rd entry in edit-key mode shown
below?

Command> gpg --keyserver certserver.pgp.com --send-key

                             =20
(1)  Douglas F. Elznic <dfe@anize.org>
(2)  Douglas F. Elznic <dfe@lsb.syr.edu>
(3). Douglas F. Elznic <dfelznic@syr.edu>
(4)  Douglas F. Calvert <dfc@anize.org>
(5)  Douglas F. Calvert <dfc@lsb.syr.edu>


--=20
+------------------+---------------------------------------------------+
|  Douglas Elznic  |        GPG Key: <dfe@anize.org> 0x13300731        |
+------------------+---------------------------------------------------+
|  Thinker-@-Large | Pub Key:                                          |
|   dfe@anize.org  | http://web.syr.edu/~dfelznic/dfe.asc              |
| dfelznic@syr.edu | Fingerprint:                                      |
|  dfe@lsb.syr.edu | EF9C 7E3C 0327 EAAF 1E20 5299 0805 7531 1330 0731 |
| http://anize.org | * This key will be used for all email addresses * |
+----------------------------------------------------------------------+
|         All emails should be accompanied by a gpg signature.         |
+----------------------------------------------------------------------+

--=-O9HZIy4+SOnh94M3JIgq
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iEYEABECAAYFAjt4pc0ACgkQCAV1MRMwBzFpWgCfRO+5hXDCDfjom6YmRHUJHgLT
HawAnj+O97USTPwc1pY27ZkeS1BCYI+R
=AWik
-----END PGP SIGNATURE-----

--=-O9HZIy4+SOnh94M3JIgq--