Doesn't crash here, either.  This is 4.99.18 with sources updated via 
CVS as of 2007-04-29 23:18:15 UTC

quicky:paul {164} /bin/sh
# test ! $A
# echo $?
0
# exit
quicky:paul {165}



On Thu, 24 May 2007, Raymond Meyer wrote:

> On Thu, 24 May 2007 19:09:16 +0200
> Jukka Salmi <j+nbsd@2007.salmi.ch> wrote:
>
>> I can't reproduce this (tried on -current and 3.1_STABLE):
>>
>> $ /bin/sh
>> $ test ! $A
>> $ echo $?
>> 0
>> $
>>
>> Hmm...
>
> $ su -
> Password:
> Terminal type is xterm.
> ultra10# test ! $A
> $
>
> As you can see above the shell crashes and it throws you back to regular user's
> shell
>

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