Added literate programming post.

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+[Literate programming][LP] is a philosophy of computer programming
+based on the premise that a computer program should be written similar
+to literature, with human readability as a primary goal.
+
+Traditional programs have human language comments interspersed in
+computer language code.  Literate programs reverse this style, with
+computer language "comments" interspersed in a human language essay.
+
+An excellent (and simple) literate programming tool is [noweb][].
+There is a hello-world example and some intro information on [Wikipedia][].
+There are also official [quick][] and [6 page][] introductions.
+
+[LP]: http://en.wikipedia.org/wiki/Literate_programming
+[noweb]: http://www.eecs.harvard.edu/nr/noweb/
+[Wikipedia]: http://en.wikipedia.org/wiki/Noweb
+[quick]: http://www.eecs.harvard.edu/nr/noweb/onepage.ps
+[6 page]: http://www.linuxjournal.com/article/2188
+
+[[!tag tags/programming]]
+[[!tag tags/tools]]
+[[!tag tags/web]]