Bootstrap typeahead bug with jquery 1.8

scrolling in the suggested items using up/down keys doesn't work.

by sandesh247

HTML

<html>
    <head>
        <link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css" />
        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
        <!-- script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script -->
        <script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-typeahead.js" type="text/javascript"></script>
            </head>
    <body>
        <input type="text" class="span3" style="margin: 0 auto;" data-provide="typeahead" data-items="4" data-source="[&quot;Alabama&quot;,&quot;Alaska&quot;,&quot;Arizona&quot;,&quot;Arkansas&quot;,&quot;California&quot;,&quot;Colorado&quot;,&quot;Connecticut&quot;,&quot;Delaware&quot;,&quot;Florida&quot;,&quot;Georgia&quot;,&quot;Hawaii&quot;,&quot;Idaho&quot;,&quot;Illinois&quot;,&quot;Indiana&quot;,&quot;Iowa&quot;,&quot;Kansas&quot;,&quot;Kentucky&quot;,&quot;Louisiana&quot;,&quot;Maine&quot;,&quot;Maryland&quot;,&quot;Massachusetts&quot;,&quot;Michigan&quot;,&quot;Minnesota&quot;,&quot;Mississippi&quot;,&quot;Missouri&quot;,&quot;Montana&quot;,&quot;Nebraska&quot;,&quot;Nevada&quot;,&quot;New Hampshire&quot;,&quot;New Jersey&quot;,&quot;New Mexico&quot;,&quot;New York&quot;,&quot;North Dakota&quot;,&quot;North Carolina&quot;,&quot;Ohio&quot;,&quot;Oklahoma&quot;,&quot;Oregon&quot;,&quot;Pennsylvania&quot;,&quot;Rhode Island&quot;,&quot;South Carolina&quot;,&quot;South Dakota&quot;,&quot;Tennessee&quot;,&quot;Texas&quot;,&quot;Utah&quot;,&quot;Vermont&quot;,&quot;Virginia&quot;,&quot;Washington&quot;,&quot;West Virginia&quot;,&quot;Wisconsin&quot;,&quot;Wyoming&quot;]">
    </body>
</html>