Simplified the isXML function, no need to use recursion.

diff --git a/src/core.js b/src/core.js
index d99f401..55e6236 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -291,9 +291,12 @@ jQuery.fn = jQuery.prototype = {
                        jQuery.find( selector, this[0], ret );
                        return ret;
                } else {
-                       return this.pushStack( jQuery.unique(jQuery.map(this, function(elem){
-                               return jQuery.find( selector, elem );
-                       })), "find", selector );
+                       var ret = this.pushStack( "", "find", selector );
+                       for ( var i = 0, l = this.length; i < l; i++ ) {
+                               jQuery.find( selector, this[i], ret );
+                       }
+                       //jQuery.find.uniqueSort( ret );
+                       return ret;
                }
        },
 

diff --git a/src/selector.js b/src/selector.js
index 48aeea5..0199a27 100644 (file)
--- a/src/selector.js
+++ b/src/selector.js
@@ -941,7 +941,7 @@ var contains = document.compareDocumentPosition ?  function(a, b){
 
 var isXML = function(elem){
        return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
-               !!elem.ownerDocument && isXML( elem.ownerDocument );
+               !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
 };
 
 var posProcess = function(selector, context){