Initial revision
diff --git a/Doc/Makefile b/Doc/Makefile
new file mode 100644
index 0000000..0ccb7de
--- /dev/null
+++ b/Doc/Makefile
@@ -0,0 +1,29 @@
+TROFF= ditroff
+MS= -ms
+PREVIEW= dpv
+
+intro: intro.dit
+ $(PREVIEW) intro.dit
+
+modules: modules.dit
+ $(PREVIEW) modules.dit
+
+paper: paper.dit
+ $(PREVIEW) paper.dit
+
+ref: ref.dit
+ $(PREVIEW) ref.dit
+
+ALL= intro.dit modules.dit paper.dit ref.dit
+
+all: $(ALL)
+
+$(ALL): macros.ms
+
+clean:
+ rm -f $(ALL)
+
+.SUFFIXES: .ms .dit
+
+.ms.dit:
+ $(TROFF) $(MS) $*.ms >$@