document.writeln('<ul> <li> <a href="#SEC37">5. Returning Functions</a><ul><li> <a href="#SEC38">5.1 Common Lisp Evolves</a><li> <a href="#SEC39">5.2 Orthogonality</a><li> <a href="#SEC40">5.3 Memoizing</a><li> <a href="#SEC41">5.4 Composing Functions</a><li> <a href="#SEC42">5.5 Recursion on Cdrs</a><li> <a href="#SEC43">5.6 Recursion on Subtrees</a><li> <a href="#SEC44">5.7 When to Build Functions</a></ul></ul>');