exercise: partition a list by equivalence

[Erik Max Francis]

John Machin wrote:

> Xah is asserting his right to be recognised as the author of his
> artistic creations, line by line.

Not very well, however, since his usage doesn't constitute a valid 
copyright notice :-).

-- 
Erik Max Francis && max at alcyone.com && http://www.alcyone.com/max/
San Jose, CA, USA && 37 20 N 121 53 W && AIM erikmaxfrancis
   Wyrd has swept all my kin / all the brave chiefs away! / Now I must
   follow them! -- Beowulf