Make sure that .data() events don't bubble, per the discussion in 2e1…

…0af1. Fixes #6832.

src/data.js

@@ -143,13 +143,18 @@ jQuery.fn.extend({
 			if ( data === undefined && this.length ) {
 				data = jQuery.data( this[0], key );
 			}
+
 			return data === undefined && parts[1] ?
 				this.data( parts[0] ) :
 				data;
+
 		} else {
-			return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function() {
+			return this.each(function() {
+				var $this = jQuery( this ), args = [ parts[0], value ];
+
+				$this.triggerHandler( "setData" + parts[1] + "!", args );
 				jQuery.data( this, key, value );
-				jQuery.event.trigger( "changeData" + parts[1] + "!", [parts[0], value], this );
+				$this.triggerHandler( "changeData" + parts[1] + "!", args );
 			});
 		}
 	},

test/unit/data.js

@@ -70,7 +70,13 @@ test(".data()", function() {
 
 test(".data(String) and .data(String, Object)", function() {
 	expect(27);
-	var div = jQuery("<div/>");
+	var parent = jQuery("<div><div></div></div>"),
+		div = parent.children();
+
+	parent
+		.bind("getData", function(){ ok( false, "getData bubbled." ) })
+		.bind("setData", function(){ ok( false, "setData bubbled." ) })
+		.bind("changeData", function(){ ok( false, "changeData bubbled." ) });
 
 	ok( div.data("test") === undefined, "Check for no data exists" );