Ticket #3426: 3426.patch

_source/plugins/floatpanel/plugin.js

@@ -169 +169 @@
                                                 {
                                                         function setHeight()
                                                         {
-                                                                element.getFirst().setStyle( 'height', block.element.$.scrollHeight + 'px' );
+                                                                var target = element.getFirst();
+                                                                var height = block.element.$.scrollHeight;
+
+                                                                // Account for extra height needed due to IE quirks box model bug:
+                                                                // http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
+                                                                // (#3426)
+                                                                if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && height > 0 )
+                                                                        height += ( target.$.offsetHeight || 0 ) - ( target.$.clientHeight || 0 );
+
+                                                                target.setStyle( 'height', height + 'px' );
                                                         }
 
                                                         if ( !CKEDITOR.env.gecko || panel.isLoaded )