Man-sysv-sed-script

Man-sysv-sed-script is a variable defined in `man.el'.
Its value is

"// {	s/_//g\n	s/_//g\n        s/o+/o/g\n        s/+o/o/g\n	:ovstrk\n	s/\\(.\\)\\1/\\1/g\n	t ovstrk\n	}\n/\\[[0-9][0-9]*m/ s///g"

• This variable may be risky if used as a file-local variable.

Documentation:
Script for sysV-like sed to nuke backspaces and ANSI codes from manpages.