Editing Literate programming (section)

=== Record of the train of thought ===
The documentation for a literate program is produced as part of writing the program. Instead of comments provided as side notes to source code a literate program contains the explanation of concepts on each level, with lower level concepts deferred to their appropriate place, which allows for  better communication of thought. The snippets of the literate <code>wc</code> above show how an explanation of the program and its source code are interwoven. Such exposition of ideas creates the flow of thought that is like a literary work. Knuth wrote a "novel" which explains the code of the [[interactive fiction]] game [[Colossal Cave Adventure]].<ref>The game, also known as ''ADVENT'', was originally written by Crowther in about 700 lines of FORTRAN code; Knuth recast it into the WEB idiom. It is available at [http://www.literateprogramming.com/cweb_download.html literateprogramming.com] or on [https://cs.stanford.edu/~knuth/programs.html Knuth's website] {{webarchive|url= https://web.archive.org/web/20080820091137/http://sunburn.stanford.edu/~knuth/programs.html |date=August 20, 2008}}.</ref>