diff --git a/src/core.js b/src/core.js
index fa15cffc..87d5555b 100644
--- a/src/core.js
+++ b/src/core.js
@@ -436,7 +436,7 @@ jQuery.extend({
 		} else if ( document.attachEvent ) {
 			// ensure firing before onload,
 			// maybe late but safe also for iframes
-			document.attachEvent("onreadystatechange", DOMContentLoaded);
+			document.attachEvent( "onreadystatechange", DOMContentLoaded );
 
 			// A fallback to window.onload, that will always work
 			window.attachEvent( "onload", jQuery.ready );
@@ -587,7 +587,7 @@ jQuery.extend({
 	each: function( object, callback, args ) {
 		var name, i = 0,
 			length = object.length,
-			isObj = length === undefined || jQuery.isFunction(object);
+			isObj = length === undefined || jQuery.isFunction( object );
 
 		if ( args ) {
 			if ( isObj ) {
@@ -648,7 +648,7 @@ jQuery.extend({
 			// The extra typeof function check is to prevent crashes
 			// in Safari 2 (See: #3039)
 			// Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
-			var type = jQuery.type(array);
+			var type = jQuery.type( array );
 
 			if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
 				push.call( ret, array );
@@ -844,24 +844,24 @@ jQuery.extend({
 	},
 
 	sub: function() {
-		function jQuerySubclass( selector, context ) {
-			return new jQuerySubclass.fn.init( selector, context );
+		function jQuerySub( selector, context ) {
+			return new jQuerySub.fn.init( selector, context );
 		}
-		jQuery.extend( true, jQuerySubclass, this );
-		jQuerySubclass.superclass = this;
-		jQuerySubclass.fn = jQuerySubclass.prototype = this();
-		jQuerySubclass.fn.constructor = jQuerySubclass;
-		jQuerySubclass.subclass = this.subclass;
-		jQuerySubclass.fn.init = function init( selector, context ) {
-			if ( context && context instanceof jQuery && !(context instanceof jQuerySubclass) ) {
-				context = jQuerySubclass(context);
+		jQuery.extend( true, jQuerySub, this );
+		jQuerySub.superclass = this;
+		jQuerySub.fn = jQuerySub.prototype = this();
+		jQuerySub.fn.constructor = jQuerySub;
+		jQuerySub.sub = this.sub;
+		jQuerySub.fn.init = function init( selector, context ) {
+			if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
+				context = jQuerySub( context );
 			}
 
-			return jQuery.fn.init.call( this, selector, context, rootjQuerySubclass );
+			return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
 		};
-		jQuerySubclass.fn.init.prototype = jQuerySubclass.fn;
-		var rootjQuerySubclass = jQuerySubclass(document);
-		return jQuerySubclass;
+		jQuerySub.fn.init.prototype = jQuerySub.fn;
+		var rootjQuerySub = jQuerySub(document);
+		return jQuerySub;
 	},
 
 	browser: {}
diff --git a/src/css.js b/src/css.js
index b2d3af65..c5c01eca 100644
--- a/src/css.js
+++ b/src/css.js
@@ -231,8 +231,8 @@ if ( !jQuery.support.opacity ) {
 	jQuery.cssHooks.opacity = {
 		get: function( elem, computed ) {
 			// IE uses filters for opacity
-			return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
-				(parseFloat(RegExp.$1) / 100) + "" :
+			return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
+				( parseFloat( RegExp.$1 ) / 100 ) + "" :
 				computed ? "1" : "";
 		},
 
@@ -245,13 +245,13 @@ if ( !jQuery.support.opacity ) {
 			style.zoom = 1;
 
 			// Set the alpha filter to set the opacity
-			var opacity = jQuery.isNaN(value) ?
+			var opacity = jQuery.isNaN( value ) ?
 				"" :
 				"alpha(opacity=" + value * 100 + ")",
 				filter = currentStyle && currentStyle.filter || style.filter || "";
 
-			style.filter = ralpha.test(filter) ?
-				filter.replace(ralpha, opacity) :
+			style.filter = ralpha.test( filter ) ?
+				filter.replace( ralpha, opacity ) :
 				filter + " " + opacity;
 		}
 	};
diff --git a/src/event.js b/src/event.js
index 275afdf9..d6b116d2 100644
--- a/src/event.js
+++ b/src/event.js
@@ -275,7 +275,7 @@ jQuery.event = {
 		"changeData": true
 	},
 
-	trigger: function( event, data, elem ) {
+	trigger: function( event, data, elem, bubbling /* For Internal Use Only */ ) {
 		// Event object or event type
 		var type = event.type || event,
 			namespaces = [],