magnet:?xt=urn:btih:51ad5fb2a2004b916f2d68f9742822e1c4efac43&xt=urn:md5:17477f7e71e1894b8ca4d83fb6ab4962&xl=40&dn=5.12.7-0-202001290704qtlabscalendar-documentation.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/linux_x64/desktop/qt5_5127_src_doc_examples/qt.qt5.5127.doc/5.12.7-0-202001290704qtlabscalendar-documentation.7z.sha1&tr=http://bt.qt-project.org:6969/announce