Fix #10878. Clear oldIE special change/submit flags on a clone.

src/manipulation.js

@@ -461,6 +461,11 @@ function cloneFixAttributes( src, dest ) {
 	// Event data gets referenced instead of copied if the expando
 	// gets copied too
 	dest.removeAttribute( jQuery.expando );
+
+	// Clear flags for bubbling special change/submit events, they must
+	// be reattached when the newly cloned events are first activated
+	dest.removeAttribute( "_submit_attached" );
+	dest.removeAttribute( "_change_attached" );
 }
 
 jQuery.buildFragment = function( args, nodes, scripts ) {

test/delegatetest.html

@@ -143,7 +143,7 @@ <h2>Submit Tests</h2>
 });
 
 // Events we want to track in row-order
-var events = "bind-change live-change on-change bind-propertychange live-beforeactivate live-focusin bind-focus live-beforedeactivate live-focusout bind-blur live-click live-keydown".split(" "),
+var events = "bind-change live-change onX-change bind-propertychange live-beforeactivate live-focusin bind-focus live-beforedeactivate live-focusout bind-blur live-click live-keydown".split(" "),
 	counter = 0;
 	blinker = function(event){
 		if ( !counter ) {
@@ -172,7 +172,7 @@ <h2>Submit Tests</h2>
 	$("#changes thead td").each(function(){
 		var id = "#"+this.id,
 			$cell = $('<td></td>');
-		if ( api == "on" ) {
+		if ( api == "onX" ) {
 			$(this).find("input, button, select, textarea").each(function(){
 				this["on"+type] = function(e){ e = $.event.fix(e||event); e.data = $cell; blinker.call(this, e); };
 			});
@@ -186,6 +186,16 @@ <h2>Submit Tests</h2>
 	$("#changes tbody").append($row);
 }
 
+// Ensure that cloned elements get the delegated event magic; this is
+// implementation-specific knowledge but otherwise impossible to test.
+// The beforeactivate event attaches a direct-bound change event.
+// (Only care about the live change for this third select element.)
+var sel1 = $("#select-one select:first-child");
+if ( typeof(sel1[0].fireEvent) !== "undefined" ) {
+	sel1.trigger( "beforeactivate" ).clone().appendTo("#select-one");
+	//alert($("#select-one select").map(function(){ return this._change_attached || "undef"; }).get().join("|"));
+}
+
 jQuery.fn.blink = function(){
 	return this
 		.css("backgroundColor","green")