e"><code class="code">Lexing.set_filename</code></a> for changing this field.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.11</li>
</ul>
</div>

<pre id="VALset_filename">val set_filename : lexbuf -&gt; string -&gt; unit</pre><div class="info ">
<div class="info-desc">
<p>Set filename in the initial tracked position to <code class="code">file</code> in
   <code class="code">lexbuf</code>.</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.11</li>
</ul>
</div>

<pre id="VALwith_position