Index: _source/plugins/menu/plugin.js
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- _source/plugins/menu/plugin.js	(revision 7397)
+++ _source/plugins/menu/plugin.js	(revision )
@@ -175,10 +175,11 @@
 
 			onHide : function()
 			{
-				if ( CKEDITOR.env.ie )
+				// Unlock the selection upon first panel closing.
+				if ( CKEDITOR.env.ie && !this.parent )
 				{
 					var selection = this.editor.getSelection();
-					selection && selection.unlock();
+					selection && selection.unlock( true );
 				}
 
 				this.onHide && this.onHide();