/usr/share/man/man1/xsblat3.1.gz is in libblas-test 1.2.20110419-10.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/libblas-test.1.gz
/usr/share/man/man1/libblas-test.1.gz