li><a href="demo/validate.html">Syntax Validator</a></li>
                <li><a href="demo/precedence.html">Operator Precedence</a></li>
                <li><a href="demo/collector.html">Regex Collector</a></li>
                <li><label>Dynamic Tracing</label></li>
                <li><a href="demo/functiontrace.html">Function Instrumentation</a></li>
                <li><label>Code Transformation</label></li>
                <li><a href="demo/rewrite.html">Source Rewrite</a></li>
                <li><a 