sig</span> ... <span class="keyword">end</span></code></dt><dd></dd></dl><dl><dt class="spec module" id="module-L"><a href="#module-L" class="anchor"></a><code><span class="keyword">module</span> <a href="L/index.html">L</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></dt><dd></dd></dl><dl><dt class="spec module" id="module-Lexer"><a href="#module-Lexer" class="anchor"></a><code><span class="keyword">module</span> <a href="Lexer/index.html">Lexer</a> : <span class="keyword