diff -ru heirloom-doctools.bak/mk.config heirloom-doctools/mk.config
--- heirloom-doctools.bak/mk.config	2010-12-21 15:12:01.000000000 -0430
+++ heirloom-doctools/mk.config	2010-12-21 15:13:12.693333341 -0430
@@ -1,32 +1,32 @@
 #
 # A BSD-compatible install command.
 #
-INSTALL=/usr/ucb/install
+INSTALL=/usr/bin/install
 
 #
 # Packaging prefix.
 #
-PREFIX=/usr
+PREFIX=/usr/heirloom
 
 #
 # Where to place binaries.
 #
-BINDIR=$(PREFIX)/ucb
+BINDIR=$(PREFIX)/bin/ucb
 
 #
 # Where to place libraries.
 #
-LIBDIR=$(PREFIX)/ucblib
+LIBDIR=$(PREFIX)/lib
 
 #
 # Where to place ASCII charts and the like.
 #
-PUBDIR=$(PREFIX)/pub
+PUBDIR=$(LIBDIR)/doctools/pub
 
 #
 # Where to place manual pages.
 #
-MANDIR=$(PREFIX)/share/man/5man
+MANDIR=$(PREFIX)/share/man
 
 #
 # Where to place the troff macro packages.
@@ -111,7 +111,7 @@
 #
 # A Bourne-compatible shell.
 #
-SHELL=/sbin/sh
+SHELL=/bin/sh
 
 #
 # Run ranlib if it is in the current path. This should take care