Ticket #7034: 7034.patch

_source/plugins/specialchar/dialogs/specialchar.js

@@ -25 +25 @@
                         target.removeClass( "cke_light_background" );
                         dialog.hide();
 
-                        editor.insertHtml( value );
+                        // We must use "insertText" here to keep text styled.
+                        var span = editor.document.createElement( 'span' );
+                        span.setHtml( value );
+                        editor.insertText( span.getText() );
                 }
         };