/usr/share/man/ is in mplayer-gui 2:1.3.0-7build2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/cs/man1/gmplayer.1.gz
/usr/share/man/de/man1/gmplayer.1.gz
/usr/share/man/es/man1/gmplayer.1.gz
/usr/share/man/fr/man1/gmplayer.1.gz
/usr/share/man/hu/man1/gmplayer.1.gz
/usr/share/man/it/man1/gmplayer.1.gz
/usr/share/man/man1/gmplayer.1.gz
/usr/share/man/pl/man1/gmplayer.1.gz
/usr/share/man/ru/man1/gmplayer.1.gz
/usr/share/man/zh_CN/man1/gmplayer.1.gz
/usr/share/man/cs/
/usr/share/man/cs/man1/
/usr/share/man/de/
/usr/share/man/de/man1/
/usr/share/man/es/
/usr/share/man/es/man1/
/usr/share/man/fr/
/usr/share/man/fr/man1/
/usr/share/man/hu/
/usr/share/man/hu/man1/
/usr/share/man/it/
/usr/share/man/it/man1/
/usr/share/man/man1/
/usr/share/man/pl/
/usr/share/man/pl/man1/
/usr/share/man/ru/
/usr/share/man/ru/man1/
/usr/share/man/zh_CN/
/usr/share/man/zh_CN/man1/