class="dl-horizontal alert alert-info">
            <dt>name</dt>
            <dd>argument</dd>
            
            <dt>xml namespace</dt>
            <dd><tt>http://moyaproject.com</tt></dd>
            
        </dl>
        <p>
Defines an argument to a macro.</p>
<p>The text of this tag should document the purpose of the argument.</p>
        <h4>Example</h4>
        <pre class="moya-console format-xml""><a name="line1"></a><div class="line line-1"></span><span class="tag">&lt;</span><span class="ta