If heirloom shell is in /usr/lib/heirloom/5bin/sh, use it to run tests.
[mmh] / docs / historical / mh-6.8.5 / papers / mh4mm /
drwxr-xr-x   ..
-rw-r--r-- 1155 Makefile
-rw-r--r-- 2609 mh4mm.aux
-rw-r--r-- 29161 mh4mm.tex