magnet:?xt=urn:btih:971a6e1e0efc4c8f739b74972ea2b9026ffcc37d&xt=urn:md5:67427af64c339d6d6ea96ed3a1f648d2&xl=40&dn=5.12.3-0-201904161302qtcharts-documentation.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/linux_x64/desktop/qt5_5123_src_doc_examples/qt.qt5.5123.doc.qtcharts/5.12.3-0-201904161302qtcharts-documentation.7z.sha1&tr=http://bt.qt-project.org:6969/announce