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packages/app/src/components/PageEditor/Editor.tsx

@@ -65,6 +65,7 @@ const Editor: ForwardRefRenderFunction<IEditorMethods, EditorPropsType> = (props
   const { data: isMobile } = useIsMobile();
 
   const dropzoneRef = useRef<DropzoneRef>(null);
+  // CodeMirrorEditor ref
   const cmEditorRef = useRef<AbstractEditor<any>>(null);