+++ /dev/null
-These notes may change in the next few days (today is 30 Nov 2010).
-The material here benefited from many discussions with Ken Shan.
-
-##[[Tree and List Zippers]]##
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-##[[Coroutines and Aborts]]##
-
-##[[From Lists to Continuations]]##
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-##[[List Monad as Continuation Monad]]##
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-##[[Manipulating Trees with Monads]]##
-