Why is there no or or and ?

[F i L]

H. S. Teoh wrote:
> So for example, here's a function that computes the average of 
> an array:
>
> 	}efas erup tsnoc a f~a+z!~ni z@# b! $
> 		a c)0=
> 		hcaerof~d=b! $c^)d=%
> 		nruter c(b{htgnel=
> 	%
>
> Here's an example of how to use it:
>
> 	tropmi dts{oidts=
> 	diov naim~! $
> 		nletirw~f|~laer!~@1+2+3+4+5#!!=
> 	%
>
> If this looks hard, don't worry, once you are past the initial 
> learning
> curve, it will all become crystal clear to you. ;-)

Could be promising for dyslexics ;)