/usr/share/man/man1/readPYMB.1.gz is in fcitx-tools 1:4.2.9.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/createPYMB.1.gz
/usr/share/man/man1/createPYMB.1.gz