Index: /CKEditor/branches/versions/3.1.x/ckeditor.pack
===================================================================
--- /CKEditor/branches/versions/3.1.x/ckeditor.pack	(revision 4557)
+++ /CKEditor/branches/versions/3.1.x/ckeditor.pack	(revision 4558)
@@ -99,4 +99,5 @@
 					'_source/core/dom/node.js',
 					'_source/core/dom/nodelist.js',
+					'_source/core/dom/comment.js',
 					'_source/core/dom/element.js',
 					'_source/core/command.js',