This article is from the Literate Programming FAQ, by David B. Thompson email@example.com with numerous contributions by others.
Another resource of interest to literate programmers is the
comp.text.tex newsgroup. If you're using (La)TeX as your typsetting
system and have access to internet, then you should investigate this
Another reason the TeX resources should be important is that so many
of the literate programming tools rely on either plain TeX or LaTeX as
their text formatter. (La)TeX software systems exist for most
computing platforms. These systems can be found on CTAN and other
major archive sites. Use archie to find them or simply ftp to one of
the CTAN sites and browse.