text: //
  //  NJNotebookDocument.h
  //  NeoJournal
  //
  //  Copyright (c) 2014년 Neolab. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @class NJNotebook;
  @interface NJNotebookDocument : UIDocument
  
  @property (strong, nonatomic) NJNotebook *notebook;
  
  - (id) initWithFileURL:(NSURL *)url;
  @end
  