02s02.html">LIST</a></span></li><li><span class="file"><a tabindex="1" href="ch05s02s03.html">ID</a></span></li><li><span class="file"><a tabindex="1" href="ch05s02s04.html">PC</a></span></li><li><span class="file"><a tabindex="1" href="ch05s02s05.html">DATA</a></span></li><li><span class="file"><a tabindex="1" href="ch05s02s06.html">FAILED</a></span></li></ul></li><li><span class="file"><a tabindex="1" href="ch05s03.html">Hints and tips</a></span><ul><li><span class="file"><a tabindex="1" href="ch05s03s01.