document.writeln('<ul> <li> <a href="#SEC126">20. Continuations</a><ul><li> <a href="#SEC127">20.1 Scheme Continuations</a><li> <a href="#SEC128">20.2 Continuation-Passing Macros</a><li> <a href="#SEC129">20.3 Code-Walkers and CPS Conversion</a></ul></ul>');