Update man page for chobj
Update chobj man page for recent behavior changes to chobj clear action.
https://gitlab.umiacs.umd.edu/staff/umobj/blob/master/share/man/man1/chobj.1
Update chobj man page for recent behavior changes to chobj clear action.
https://gitlab.umiacs.umd.edu/staff/umobj/blob/master/share/man/man1/chobj.1