/usr/share/man/fr/man1/mencoder.1.gz is in mplayer 2:1.0~rc4.dfsg1+svn34540-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/fr/man1/mplayer.1.gz
/usr/share/man/fr/man1/mplayer.1.gz