magnet:?xt=urn:btih:1045c27c36fec4dceae505ae2af3ecc122f704e3&xt=urn:md5:ed6800384e42c2e46cacc1db609bfe1e&xl=40&dn=5.13.0-0-201906171600qtopengl-documentation.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/linux_x64/desktop/qt5_5130_src_doc_examples/qt.qt5.5130.doc/5.13.0-0-201906171600qtopengl-documentation.7z.sha1&tr=http://bt.qt-project.org:6969/announce