https://blog.faceutil.com/2017/03/06/%ec%a2%8c%ec%9a%b0%ed%8f%b4%eb%8d%94%eb%b9%84%ea%b5%90-%eb%b3%b5%ec%82%ac%eb%93%b1-%ea%b0%80%eb%8a%a5%ed%95%9c-winmerge-2-14-%ed%95%9c%ea%b8%80%ed%8c%90-%d1%87/