magnet:?xt=urn:btih:f9579fecb0c3846fd0a976824ec8782ea5997cc7&xt=urn:md5:c6f13a2e164706183c75da3ed1bafaa7&xl=7179541&dn=qtdoc-everywhere-src-5.12.9.zip&as=https://download.qt.io/new_archive/qt/5.12/5.12.9/submodules/qtdoc-everywhere-src-5.12.9.zip&tr=http://bt.qt-project.org:6969/announce