Jerry,

I forgot to mention a setup step. You'll need this in .emacs to register LaTeX as a source language in org-babel.

(org-babel-add-interpreter "latex")

(add-to-list 'org-babel-tangle-langs '("latex" "tex"))

HTH,

Tom

Thomas S. Dye, Ph.D.

T. S. Dye & Colleagues, Archaeologists, Inc.

Phone: (808) 529-0866 Fax: (808) 529-0884