Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4515)
+++ /CKEditor/trunk/CHANGES.html	(revision 4516)
@@ -65,5 +65,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4651">#4651</a> : Fixed 'Deleted' and 'Inserted' text style is not rendering in wysiwyg mode and is wrong is source mode.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4654">#4654</a> : Fixed 'CKEDITOR.config.font_defaultLabel(fontSize_defaultLabel)' is not working.</li>
-	</ul>
+		<li><a href="http://dev.fckeditor.net/ticket/3950">#3950</a> : Fixed table column insertion incorrect when selecting empty cell area.</li>
 	<h3>
 		CKEditor 3.0.1</h3>
Index: /CKEditor/trunk/_source/plugins/selection/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 4515)
+++ /CKEditor/trunk/_source/plugins/selection/plugin.js	(revision 4516)
@@ -1,3 +1,3 @@
-/*
+/*
 Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.html or http://ckeditor.com/license
@@ -641,6 +641,8 @@
 								var startContainer = range.startContainer,
 									startOffset = range.startOffset;
+								// Limit the fix only to non-block elements.(#3950)
 								if ( startOffset == ( startContainer.getChildCount ?
-									startContainer.getChildCount() : startContainer.getLength() ) )
+									 startContainer.getChildCount() : startContainer.getLength() )
+									 && !startContainer.isBlockBoundary() )
 									range.setStartAfter( startContainer );
 								else break;