* -EMACS ORG MODE-
* Lisp learning repo 
** Direcory Listing
*** PCL
**** Following excercises in the book Practical Common Lisp
**** See http://www.gigamonkeys.com/book/
**** File Descriptions
***** gps.lisp
******  code for GPS itself
***** school-ops
****** working OPS for GPS
***** vacation.lisp
******  my example, not working
*** GPS
**** General Problem Solver Project
***** Created in 1959 by Herbert A. Simon, J.C. Shaw, and Allen Newell
***** See http://en.wikipedia.org/wiki/General_Problem_Solver