Ticket #6061: 6061.patch

_source/plugins/autogrow/plugin.js

@@ -10 +10 @@
         var resizeEditor = function( editor )
         {
                 var doc = editor.document,
-                        documentElement = doc.getDocumentElement().$,
                         currentHeight = editor.window.getViewPaneSize().height,
                         newHeight;
 
+                // We can not use documentElement to calculate the height for IE (#6061).
                 if ( CKEDITOR.env.ie )
-                        newHeight = documentElement.scrollHeight;
+                        newHeight = doc.getBody().$.scrollHeight + 24;
                 else
-                        newHeight = documentElement.offsetHeight;
+                        newHeight = doc.getDocumentElement().$.offsetHeight;
 
                 var min = editor.config.autoGrow_minHeight,
                         max = editor.config.autoGrow_maxHeight;