https://blog.wongcw.com/2020/08/06/libreoffice-7-0%e7%99%bc%e5%b8%83%ef%bc%9a%e6%94%af%e6%8c%81opendocument-format-1-3%e6%a0%bc%e5%bc%8f/
LibreOffice 7.0發布:支持OpenDocument Format 1.3格式