removed trailing spaces

select2.js

@@ -29,7 +29,7 @@
 				return this;
 			}
  		});
- 	} 
+ 	}
 })(jQuery);
 
 (function ($, undefined) {
@@ -163,7 +163,7 @@
      *
      * filters out mouse events that occur when mouse is stationary but
      * the elements under the pointer are scrolled.
-     */    
+     */
     function installFilteredMouseMove(element) {
 	    element.bind("mousemove", function (e) {
             var lastpos = $(document).data("select2-lastpos");
@@ -201,7 +201,7 @@
         event.stopPropagation();
     }
 
-    function measureTextWidth(e) {        
+    function measureTextWidth(e) {
         if (!sizer){
         	var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
         	sizer = $("<div></div>").css({
@@ -216,10 +216,10 @@
 	            letterSpacing: style.letterSpacing,
 	            textTransform: style.textTransform,
 	            whiteSpace: "nowrap"
-	        });        
+	        });
         	$("body").append(sizer);
         }
-        sizer.text(e.val());        
+        sizer.text(e.val());
         return sizer.width();
     }
 
@@ -268,11 +268,11 @@
                     data = options.data, // ajax data function
                     transport = options.transport || $.ajax,
                     type = options.type || 'GET'; // set type of request (GET or POST)
-                
+
                 data = data.call(this, query.term, query.page, query.context);
 
                 if( null !== handler) { handler.abort(); }
-                
+
                 handler = transport.call(null, {
                     url: options.url,
                     dataType: options.dataType,
@@ -507,14 +507,14 @@
                 select2.opts.element
                     .removeData("select2")
                     .unbind(".select2")
-                    .show();                
+                    .show();
             }
         },
 
         // abstract
         prepareOpts: function (opts) {
             var element, select, idKey;
-            
+
             element = opts.element;
 
             if (element.get(0).tagName.toLowerCase() === "select") {
@@ -665,8 +665,7 @@
                                 data.push({id: this, text: this});
                             });
 
-                            if ($.isFunction(callback))
-                                callback(data);
+                            callback(data);
                         };
                     }
                 }
@@ -746,11 +745,11 @@
             if (this.opened()) return;
 
             this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
-            if(this.dropdown[0] !== this.body.children().last()[0]) { 
+            if(this.dropdown[0] !== this.body.children().last()[0]) {
 				// ensure the dropdown is the last child of body, so the z-index is always respected correctly
                 this.dropdown.detach().appendTo(this.body);
             }
-	
+
             this.dropdown.addClass("select2-drop-active");
 
             this.positionDropdown();
@@ -779,11 +778,11 @@
         // abstract
         ensureHighlightVisible: function () {
             var results = this.results, children, index, child, hb, rb, y, more;
-            
+
             index = this.highlight();
 
             if (index < 0) return;
-            
+
             children = results.find(".select2-result");
 
             child = $(children[index]);
@@ -849,7 +848,7 @@
 
         // abstract
         highlightUnderEvent: function (event) {
-            var el = $(event.target).closest(".select2-result");            
+            var el = $(event.target).closest(".select2-result");
             if (el.length > 0 && !el.is(".select2-highlighted")) {
         		var choices = this.results.find('.select2-result');
                 this.highlight(choices.index(el));
@@ -1185,7 +1184,7 @@
                         self.updateSelection(selected);
                         self.close();
                         self.setPlaceholder();
-                    }    
+                    }
                 });
             }
         },
@@ -1481,9 +1480,9 @@
                         self.close();
                         // set the placeholder if necessary
                         self.clearSearch();
-                    }    
+                    }
                 });
-            }            
+            }
         },
 
         // multi