[willvarfar]

Literate programming is the style of programming that's intended to be read: http://www.literateprogramming.com/

Quite the contrast with the Bourne Shell: "Nobody really knows what the Bourne shell's grammar is. Even examination of the source code is little help." – Tom Duff http://en.wikipedia.org/wiki/Bourne_shell#Quotes

[camperman]

Speaking of Tom Duff, his Device is well worth studying.

[edit] michaelcampbell has already recommended it below - missed that.