Joel Neely napsal(a):

>Ladislav Mecir wrote:
>  
>
>>OTOH, I am not seeing any Rebol operator that tries "to determine if two 
>>variables point to the same location in memory" :-), although the bugs 
>>in documentation (corrected now at least at some places) tried to 
>>suggest something like that.
>>
>>    
>>
>
>uSoft doesn't know the distinction you're making.  ;-)
>
>In fact, a section heading in the patent (just above section [0041])
>reads:
>
>     System and Method for Performing an Object
>     Non-Equivalence Comparison
>
>and that reminds me of a common operation in MANY languages (REBOL 
>included) whether we concern ourselves with memory addresses as the
>means of implementation or not.
>
>-jn-
>
>  
>

Pure madness (YMMV).

An excerpt from AltMe discussion: 

Erru: Hey, *I* invented that operator! (really!)
      Proof: http://groups.google.de/groups?q=IsNot+Roland+Hadinger

-L

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