Using linear streams to avoid stack overflow

[gmhwxi]

I wrote a paragraph on using linear (lazy) streams to avoid potential
stack overflow:

http://ats-lang.sourceforge.net/DOCUMENT/ATS2TUTORIAL/HTML/HTMLTOC/c1304.html

In practice, I find this approach to be useful in a programming domain that is algorithm-heavy
(e.g., machine learning).

Cheers!