
   unchanged by the lexing engine.  In order to keep them
   accurate, they must be initialised before the first use of the
   lexbuf, and updated by the relevant lexer actions (i.e. at each
   end of line -- see also <code class="code">new_line</code>).</p>
</div>
</div>


<pre><span id="VALfrom_channel"><span class="keyword">val</span> from_channel</span> : <code class="type"><a href="Pervasives.html#TYPEin_channel">in_channel</a> -&gt; <a href="Lexing.html#TYPElexbuf">lexbuf</a></code></pre><div class="