--edit-key / list

[Ulf Jaenicke-Roessler]

Hi,

 please bare with me if this is a FAQ - I couldn't find
 the answer. Pointers are very welcome.

 I wonder what the dot after the (3) means in the following
 output

C:\>gpg --edit-key ujr
gpg (GnuPG) 1.2.1-nr1; Copyright (C) 2002 Free Software Foundation, Inc.
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See the file COPYING for details.

Secret key is available.

pub  1024D/7E52ECFD  created: 2003-03-14 expires: never      trust: u/u
sub  1024g/15AC426A  created: 2003-03-14 expires: never
(1)  Ulf Jaenicke-Roessler <ujr@address1.de>
(2)  Ulf Jaenicke-Roessler <ujr@address2.de>
(3). Ulf Jaenicke-Roessler <ujr@address3.de>

 Thanks,
  Ulf