allow role=search on form

resolves #18

index.html

@@ -293,7 +293,8 @@ <h2 id="docconformance">Document conformance requirements for use of ARIA attrib
 			<tr id="form" tabindex="-1">
 			  <td><code><a href="http://www.w3.org/TR/html51/semantics.html#the-form-element">form</a></code></td>
 			  <td><code>role=<a href="#index-aria-form">form</a></code></td>
-			  <td><p><a href="#index-aria-global">global <code>aria-*</code> attributes</a></p></td>
+			  <td><p>Role: <a href="#index-aria-search"><code>search</code></a> or <a href="#index-aria-presentation"><code>presentation</code></a></p>
+			    <p><a href="#index-aria-global">global <code>aria-*</code> attributes</a> and any <code>aria-*</code> attributes applicable to the allowed roles</p></td>
 			</tr>
 			<tr id="p-pre-blockquote" tabindex="-1">
 			  <td><p>grouping content elements not listed elsewhere:</p>
@@ -312,7 +313,7 @@ <h2 id="docconformance">Document conformance requirements for use of ARIA attrib
 			  href="http://www.w3.org/TR/html51/semantics.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements"><code>h6</code></a> element</td>
 			  <td><code>role=<a href="#index-aria-heading">heading</a></code>, with the <code>aria-level</code> = positive integer</td>
 			  <td>Role: <a href="#index-aria-tab"><code>tab</code></a> or <a href="#index-aria-presentation"><code>presentation</code></a>
-		        <p><span><a href="#index-aria-global">global <code>aria-*</code> attributes</a> </span>and any <code>aria-*</code> attributes applicable to the 
+		        <p><a href="#index-aria-global">global <code>aria-*</code> attributes</a> and any <code>aria-*</code> attributes applicable to the 
 			  allowed roles</p></td>
 			</tr>
 			<tr id="head" tabindex="-1">