As is done in other man pages.
=================================================================== RCS file: /cvs/src/usr.sbin/sysmerge/sysmerge.8,v retrieving revision 1.78 diff -u -p -r1.78 sysmerge.8 --- sysmerge.8 2 Sep 2016 12:17:33 -0000 1.78 +++ sysmerge.8 5 Sep 2016 21:54:28 -0000 @@ -126,6 +126,11 @@ the default is .Xr vi 1 . .It Ev PAGER Specifies the pagination program to use. +If +.Ev PAGER +is empty or not set, +.Xr more 1 +will be used. .El .Sh FILES .Bl -tag -width "/var/sysmerge/xetc.tgz" -compact
