fix mixed spaces & tabs, remove unused feature test, add missing ;

js/reveal.js

@@ -1,5 +1,5 @@
 /*!
- * reveal.js 2.0 r23
+ * reveal.js 2.0 r24
  * http://lab.hakim.se/reveal-js
  * MIT licensed
  * 
@@ -7,11 +7,11 @@
  */
 var Reveal = (function(){
 
+	'use strict';
+	
 	var HORIZONTAL_SLIDES_SELECTOR = '.reveal .slides>section',
 		VERTICAL_SLIDES_SELECTOR = '.reveal .slides>section.present>section',
 
-		IS_TOUCH_DEVICE = !!( 'ontouchstart' in window ),
-
 		// Configurations defaults, can be overridden at initialization time 
 		config = {
 			// Display controls in the bottom right corner
@@ -321,7 +321,7 @@ var Reveal = (function(){
 		return function( event ) {
 			event.preventDefault();
 			delegate.call();
-		}
+		};
 	}
 
 	/**
@@ -519,7 +519,7 @@ var Reveal = (function(){
 					node.classList.add( 'roll' );
 					node.innerHTML = '<span data-title="'+ node.text +'">' + node.innerHTML + '</span>';
 				}
-	        };
+			}
 		}
 	}
 
@@ -818,7 +818,7 @@ var Reveal = (function(){
 		// Remove the 'enabled' class from all directions
 		[ dom.controlsLeft, dom.controlsRight, dom.controlsUp, dom.controlsDown ].forEach( function( node ) {
 			node.classList.remove( 'enabled' );
-		} )
+		} );
 
 		if( routes.left ) dom.controlsLeft.classList.add( 'enabled' );
 		if( routes.right ) dom.controlsRight.classList.add( 'enabled' );
@@ -1111,12 +1111,12 @@ var Reveal = (function(){
 
 		// Returns the previous slide element, may be null
 		getPreviousSlide: function() {
-			return previousSlide
+			return previousSlide;
 		},
 
 		// Returns the current slide element
 		getCurrentSlide: function() {
-			return currentSlide
+			return currentSlide;
 		},
 
 		// Helper method, retrieves query string as a key/value hash