Finding non-common elements in two arrays

[Richard Gaskin]

Bruce A. Pokras wrote:
> The intersect function will return the common elements of two arrays. Is 
> there any array methodology that will return the non-common elements of 
> two arrays?

See Ken Ray's BZ request:
<http://support.runrev.com/bugdatabase/show_bug.cgi?id=2763>

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  Richard Gaskin
  Managing Editor, revJournal
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