[jQuery] Bug with JQuery is?

[jQuery] Bug with JQuery is?


If it's not a bug it is at least violates the principle of least
surprise.
The .is function returns true for things I don't think it should. See
the example below.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://
www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
    <head>
        <title>bug?</title>
        <script type="text/javascript" src="http://ajax.googleapis.com/ajax/
libs/jquery/1.2.6/jquery.js"></script>
        <script type="text/javascript">
            function bodgyIs(el, selector)
            {
                var el1 = el[0], candidates = $(selector);
                for (var i=0, el2; el2 = candidates[i]; i++)
                {
                    if (el1 == el2) return true;
                }
                return false;
            }
            $(document).ready(function ()
            {
                var selector = "#test .test";
                var el = $("#dontFindMe")
                alert(el.is(selector));
                alert(bodgyIs(el, selector));
            });
        </script>
    </head>
    <body>
        <div id="dontFindMe"></div>
    </body>
</html>