>> >Anyone any idea where the `echo $?` gets its value from?
>> >That code outputs 1 0 1 0!
>> 
>> my guess would be that since the `` bits execute in subshells which
>> haven't had any children exit yet, the only reason thing they can
>> print would be 0.
>
>but:
>	echo $(echo $?)
>should output the same as:
>	echo $?

i'm not convinced of that.  do you have a reference to some standard
that covers this, or is this just what seems right to you?

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