Ticket #8835: 8835.patch

_source/plugins/wysiwygarea/plugin.js

@@ -1179 +1179 @@
                                 editor.addCss( 'html { height: 100% !important; }' );
                                 editor.addCss( 'img:-moz-broken { -moz-force-broken-image-icon : 1;     width : 24px; height : 24px; }' );
                         }
+                        // Remove the margin to avoid mouse confusion. (#8835)
+                        else if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
+                                editor.addCss( 'body{margin-right:0;}' );
 
                         /* #3658: [IE6] Editor document has horizontal scrollbar on long lines
                         To prevent this misbehavior, we show the scrollbar always */