block">information on scripting variables defined by the tag associated with this TagExtraInfo instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="typeNameLabel">TagInfo.</span><code><span class="memberNameLink"><a href="../../../../../javax/servlet/jsp/tagext/TagInfo.html#isValid-javax.servlet.jsp.tagext.TagData-">isValid</a></span>(<a href="../../../../../javax/servlet/jsp/tagext/TagData.html" title="class in javax.servlet.jsp.t