magnet:?xt=urn:btih:f5cbb514c0ae34598d76922b31fcc70d480fa17a&xt=urn:md5:527f14abf061177d6f2393f7a00c9f1a&xl=17440231&dn=qtdoc-opensource-src-5.4.1.zip&as=https://download.qt.io/new_archive/qt/5.4/5.4.1/submodules/qtdoc-opensource-src-5.4.1.zip&tr=http://bt.qt-project.org:6969/announce