GPG: key D5DE453D: invalid subkey binding

[Osamu Aoki <debian@aokiconsulting.com>]

Hi,

I am intriguesd by GPG.

$ gpg  --recv-keys D5DE453D

gpg: requesting key D5DE453D from wwwkeys.pgp.net ...
gpg: key D5DE453D: invalid subkey binding
gpg: key D5DE453D: not changed
gpg: Total number processed: 1
gpg:              unchanged: 1
$ gpg  --edit-key D5DE453D
Secret key is available.

pub  1024D/D5DE453D  created: 2000-09-24 expires: never      trust: f/u
sub  1024g/D130E875  created: 2000-09-24 expires: 2001-09-24
sub  1024g/ECF1020D  created: 2002-02-08 expires: 2005-02-07
(1)  Osamu Aoki <osamu@aokiconsulting.com>
(2). Osamu Aoki <aoki@aokiconsulting.com>
(3)  Osamu Aoki <debian@aokiconsulting.com>
(4)  Osamu Aoki <osamu@pc1.lan.aokiconsulting.com>
(5)  Osamu Aoki <debian@pc1.lan.aokiconsulting.com>

Command> quit
$

What is going on with above?

What is / "period" after (2) doing?

-- 
~\^o^/~~~ ~\^.^/~~~ ~\^*^/~~~ ~\^_^/~~~ ~\^+^/~~~ ~\^:^/~~~ ~\^v^/~~~ 
+  Osamu Aoki <debian@aokiconsulting.com>, GnuPG-key: 1024D/D5DE453D  +
+  My debian quick-reference, http://qref.sourceforge.net/quick/      +