diff --git a/src/event/event.js b/src/event/event.js
index ac6948046..eaf6858c5 100644
--- a/src/event/event.js
+++ b/src/event/event.js
@@ -265,8 +265,22 @@ jQuery.fn.extend({
 
 	/**
 	 * The opposite of bind, removes a bound event from each of the matched
-	 * elements. You must pass the identical function that was used in the original
-	 * bind method.
+	 * elements.
+	 *
+	 * Without any arguments, all bound events are removed.
+	 *
+	 * If the type is provided, all bound events of that type are removed.
+	 *
+	 * If the function that was passed to bind is provided as the second argument,
+	 * only that specific event handler is removed.
+	 *
+	 * @example $("p").unbind()
+	 * @before <p onclick="alert('Hello');">Hello</p>
+	 * @result [ <p>Hello</p> ]
+	 *
+	 * @example $("p").unbind( "click" )
+	 * @before <p onclick="alert('Hello');">Hello</p>
+	 * @result [ <p>Hello</p> ]
 	 *
 	 * @example $("p").unbind( "click", function() { alert("Hello"); } )
 	 * @before <p onclick="alert('Hello');">Hello</p>
@@ -274,34 +288,8 @@ jQuery.fn.extend({
 	 *
 	 * @name unbind
 	 * @type jQuery
-	 * @param String type An event type
-	 * @param Function fn A function to unbind from the event on each of the set of matched elements
-	 * @cat Events
-	 */
-
-	/**
-	 * Removes all bound events of a particular type from each of the matched
-	 * elements.
-	 *
-	 * @example $("p").unbind( "click" )
-	 * @before <p onclick="alert('Hello');">Hello</p>
-	 * @result [ <p>Hello</p> ]
-	 *
-	 * @name unbind
-	 * @type jQuery
-	 * @param String type An event type
-	 * @cat Events
-	 */
-
-	/**
-	 * Removes all bound events from each of the matched elements.
-	 *
-	 * @example $("p").unbind()
-	 * @before <p onclick="alert('Hello');">Hello</p>
-	 * @result [ <p>Hello</p> ]
-	 *
-	 * @name unbind
-	 * @type jQuery
+	 * @param String type (optional) An event type
+	 * @param Function fn (optional) A function to unbind from the event on each of the set of matched elements
 	 * @cat Events
 	 */
 	unbind: function( type, fn ) {
@@ -1090,7 +1078,7 @@ new function(){
 
 // Clean up after IE to avoid memory leaks
 if (jQuery.browser.msie)
-	jQuery(window).bind("unload", function() {
+	jQuery(window).one("unload", function() {
 		var global = jQuery.event.global;
 		for ( var type in global ) {
 			var els = global[type], i = els.length;
diff --git a/src/fx/fx.js b/src/fx/fx.js
index 4f81aca13..dd72c6505 100644
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -73,7 +73,7 @@ jQuery.fn.extend({
 	 *
 	 * @name slideDown
 	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
 	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 * @see slideUp(String|Number,Function)
@@ -98,7 +98,7 @@ jQuery.fn.extend({
 	 *
 	 * @name slideUp
 	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
 	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 * @see slideDown(String|Number,Function)
@@ -123,13 +123,13 @@ jQuery.fn.extend({
 	 *
 	 * @name slideToggle
 	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
 	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 * @see slideDown(String|Number,Function)
 	 * @see slideUp(String|Number,Function)
 	 */
-	slideToggle: function(speed,callback){
+	slideToggle: function(speed, callback){
 		return this.each(function(){
 			var state = jQuery(this).is(":hidden") ? "show" : "hide";
 			jQuery(this).animate({height: state}, speed, callback);
@@ -152,13 +152,13 @@ jQuery.fn.extend({
 	 *
 	 * @name fadeIn
 	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
 	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 * @see fadeOut(String|Number,Function)
 	 * @see fadeTo(String|Number,Number,Function)
 	 */
-	fadeIn: function(speed,callback){
+	fadeIn: function(speed, callback){
 		return this.animate({opacity: "show"}, speed, callback);
 	},
 	
@@ -178,13 +178,13 @@ jQuery.fn.extend({
 	 *
 	 * @name fadeOut
 	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
 	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 * @see fadeIn(String|Number,Function)
 	 * @see fadeTo(String|Number,Number,Function)
 	 */
-	fadeOut: function(speed,callback){
+	fadeOut: function(speed, callback){
 		return this.animate({opacity: "hide"}, speed, callback);
 	},
 	
@@ -238,8 +238,8 @@ jQuery.fn.extend({
 	 * @name animate
 	 * @type jQuery
 	 * @param Hash params A set of style attributes that you wish to animate, and to what end.
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback A function to be executed whenever the animation completes.
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
 	 * @cat Effects/Animations
 	 */
 	animate: function(prop,speed,callback) {