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 More content added by git.
 
+CB:Here's some content added by me using git.
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+Enabled "lockedit" plugin: testing that admins can still edit pages.
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+CB: content added by editing the wiki page using a browser.
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+Some programming resources:
+
+Books:
+
+   *The little schemer*, by Daniel P. Friedman and Matthias Felleisen, currently $23 on [Amazon]
+(http://www.amazon.com/exec/obidos/ASIN/0262560992/ref=pd_sim_books/103-5471398-9229403#reader_0262560992).
+This is a classic text introducing the gentle art of programming, using the functional programming language Scheme.
+**Of particular interest for this course** is the explanation of the Y combinator, avaialble as a free sample chapter 
+[at the MIT Press web page for the book](http://www.ccs.neu.edu/home/matthias/BTLS/).
+
+
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