[jQuery] Did I get *all* of the XPath plugin?

[jQuery] Did I get *all* of the XPath plugin?


Is this all I need to add to my external .js library to fully include
the Xpath plugin?
/*
* Simple XPath Compatibility Plugin for jQuery 1.1
* By John Resig
* Dual licensed under MIT and GPL.
*/
(function(jQuery){
    var find = jQuery.find;
    jQuery.find = function(selector, context){
        // Convert the root / into a different context
        if ( !selector.indexOf("/") ) {
            context = context.documentElement;
            selector = selector.replace(/^\/\w*/, "");
            if ( !selector )
                return [ context ];
        }
        // Convert // to " "
        selector = selector.replace(/\/\//g, " ");
        // Convert / to >
        selector = selector.replace(/\//g, ">");
        // Naively convert [elem] into :has(elem)
        selector = selector.replace(/\[([^@].*?)\]/g, function(m, selector){
            return ":has(" + selector + ")";
        });
        // Naively convert /.. into a new set of expressions
        if ( selector.indexOf(">..") >= 0 ) {
            var parts = selector.split(/>\.\.>?/g);
            var cur = jQuery(parts[0], context);
            for ( var i = 1; i < parts.length; i++ )
                cur = cur.parent(parts[i]);
            return cur.get();
        }
        return find(selector, context);
    };
})(jQuery);