ablelist"><dl><dt><span class="term">
                    <em class="parameter"><code>pname</code></em>
                </span></dt><dd><p>Specifies a single-valued lighting model parameter.  Must be
                    <code class="constant">GL_LIGHT_MODEL_TWO_SIDE</code>.</p></dd><dt><span class="term">
                    <em class="parameter"><code>param</code></em>
                </span></dt><dd><p>Specifies the value that <em class="parameter"><code>param</code></em>
                    will be set t