&lt;!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"&gt;
&lt;para&gt;
The &lt;keycap&gt;F1&lt;/keycap&gt; key on an IBM PC keyboard generates the
scan code &lt;keycode&gt;0x3B&lt;/keycode&gt; when pressed.  This value
is defined as &lt;keysym&gt;KEY_F1&lt;/keysym&gt; in 
&lt;filename class="headerfile"&gt;keyboard.h&lt;/filename&gt;.
&lt;/para&gt;