Merge branch 'bug5566' into csnover-bug5566. Fixes #4386, #5566, #6997.

Conflicts:
	src/manipulation.js
	test/unit/manipulation.js

diff --cc src/manipulation.js
Simple merge

diff --cc test/unit/manipulation.js
index 4805016,71a501a..29c79a2
--- 1/test/unit/manipulation.js
--- 2/test/unit/manipulation.js
+++ b/test/unit/manipulation.js
@@@ -814,7 -848,7 +848,7 @@@ test("replaceAll(String|Element|Array&l
  });
  
  test("clone()", function() {
-       expect(32);
 -      expect(35);
++      expect(36);
        equals( 'This is a normal link: Yahoo', jQuery('#en').text(), 'Assert text for #en' );
        var clone = jQuery('#yahoo').clone();
        equals( 'Try them out:Yahoo', jQuery('#first').append(clone).text(), 'Check for clone' );