magnet:?xt=urn:btih:e837cacd6680919368fa60216c8d1c6bc7a36949&xt=urn:md5:9ac55128df5ed6045fb0012f2b659174&xl=3712838&dn=qtdoc-opensource-src-5.9.9.zip&as=https://download.qt.io/new_archive/qt/5.9/5.9.9/submodules/qtdoc-opensource-src-5.9.9.zip&tr=http://bt.qt-project.org:6969/announce