document.writeln('<ul> <li> <a href="#SEC156">25. Object-Oriented Lisp</a><ul><li> <a href="#SEC157">25.1 Plus ca Change</a><li> <a href="#SEC158">25.2 Objects in Plain Lisp</a><li> <a href="#SEC159">25.3 Classes and Instances</a><li> <a href="#SEC160">25.4 Methods</a><li> <a href="#SEC161">25.5 Auxiliary Methods and Combination</a><li> <a href="#SEC162">25.6 CLOS and Lisp</a><li> <a href="#SEC163">25.7 When to Object</a></ul></ul>');