groups without any dots in the name don't show up

It's probably uncommon to have groups without any dot in the name, but 
here is an example:

miernik@tarnica:~$ telnet news.linuxfromscratch.org 119
Trying 66.11.168.23...
Connected to linuxfromscratch.org.
Escape character is '^]'.
200 quasar.highos.com InterNetNews NNRP server INN 2.3.3 ready (posting ok).
list active
215 Newsgroups in form "group high low flags".
control 0000000000 0000000001 n
control.cancel 0000000045 0000000045 n
control.checkgroups 0000000000 0000000001 n
control.newgroup 0000000000 0000000001 n
control.rmgroup 0000000000 0000000001 n
junk 0000000000 0000000001 n
lfs.test 0000000417 0000000399 y
lfs.dev 0000011587 0000010949 y
lfs.support 0000014185 0000013837 y
alfs.discuss 0000001445 0000001420 y
blfs.support 0000023724 0000022968 y
lfs.traducfr 0000001182 0000001151 y
lfs.security 0000000449 0000000448 y
lfs.hints 0000001297 0000001258 y
lfs.book 0000004203 0000003969 y
cgroup 0000000138 0000000138 y
blfs.book 0000003163 0000002997 y
blfs.dev 0000002308 0000002198 y
links-list 0000002462 0000002445 y
links.discuss 0000001224 0000001212 y
lfs.chat 0000006779 0000005787 y
unishell.announce 0000000000 0000000001 =
unishell.discuss 0000000000 0000000001 =


-------------------------------------------------------
This SF.net email is sponsored by: SlickEdit Inc. Develop an edge.
The most comprehensive and flexible code editor you can use.
Code faster. C/C++, C#, Java, HTML, XML, many more. FREE 30-Day Trial.
www.slickedit.com/sourceforge