Why stop_cmd=":" in /etc/rc.d/pccard ?

[Jean-Baptiste Quenot]

* Jan.Stary at ff.cuni.cz:

> why does /etc/rc.d/pccard say stop_cmd=":" in CURRENT?  This obviously
> does not 'stop' pccardd. As  a consequence, '/etc/rc.d/pccard restart'
> gives you two pccardd's running.

I'm also  wondering what is the  deep meaning of this  mysterious colon.
The ppp-user  script does not  properly stop either...  I  couldn't find
any documentation nor source files explaining this colon.

Of course we are talking of the new RC scripts in FreeBS 5.1.

Any help will be appreciated.
-- 
Jean-Baptiste Quenot
http://caraldi.com/jbq/
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