show:  remove unreachable code
show:  remove unreachable code

the stanza in question has been impossible to reach for some time.  i
believe its purpose was to give a non-mh display proc full pathname
arguments to work with.  since we've chdir'd to the folder, giving it
message numbers (i.e., relative pathnames) is fine.

dscho/nmh,dscho/nmh,dscho/nmh,dscho/nmh,mcr/nmh,mcr/nmh