& XSLT On 12/13/06, Richard Salz <rsalz@[...].com>  wrote:
>  > blame stephen bourne (i think he started this).
>  >
>  > The famous sh script: programA && programB etc where programB is only
>  > run if programA returns true.
> 
>  Nope, it was a C thing.  (The Bourne shell implemented the sort-circuit
>  operators, but itself was implemented in Algol-like C;
>  http://minnie.tuhs.org/UnixTree/V7/usr/src/cmd/sh/cmd.c.html)
> 
>          /r$

Sort-circuit is a life saver in a world with the dreaded division by
zero error/exception

Also, prolog has que simbol  ! that stop the recursive search.  If
prolog is anything like a xml rules engine, having sort circuit rules,
and maybe symbols, made sense.

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