Tabs: Ignore sublists. Fixes #5893 - Tabs: ability to contain sublists.

tests/unit/tabs/tabs.html

@@ -93,6 +93,19 @@ <h2 id="qunit-userAgent"></h2>
 				<ul id="tabs5-list"></ul>
 			</div>
 		</div>
+		<div id="tabs6">
+			<ul id="tabs6-list">
+				<li><a href="#tabs6-1">1</a>
+					<ul>
+						<li><a href="#item6-3">3</a></li>
+						<li><a href="#item6-4">4</a></li>
+					</ul>
+				</li>
+				<li><a href="#tabs6-2">2</a></li>
+			</ul>
+			<div id="tabs6-1"></div>
+			<div id="tabs6-2"></div>
+		</div>
 	</div>
 </body>
 </html>

tests/unit/tabs/tabs_tickets.js

@@ -71,4 +71,14 @@ test('#5069 - ui.tabs.add creates two tab panels when using a full URL', functio
 });
 
 
+test('#5893 - Sublist in the tab list are considered as tab', function() {
+	// http://dev.jqueryui.com/ticket/5893
+	expect(1);
+
+	el = $('#tabs6').tabs();
+	equals(el.tabs( "length" ), 2, 'should contain 2 tab');
+
+});
+
+
 })(jQuery);

ui/jquery.ui.tabs.js

@@ -103,7 +103,7 @@ $.widget( "ui.tabs", {
 			fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
 
 		this.list = this.element.find( "ol,ul" ).eq( 0 );
-		this.lis = $( "li:has(a[href])", this.list );
+		this.lis = $( " > li:has(a[href])", this.list );
 		this.anchors = this.lis.map(function() {
 			return $( "a", this )[ 0 ];
 		});