diff -r 27c1e88a62b4 -r ae31bb7774a7 src/Cube/Makefile
--- a/src/Cube/Makefile	Tue Oct 24 14:49:45 1995 +0100
+++ b/src/Cube/Makefile	Tue Oct 24 14:50:24 1995 +0100
@@ -1,3 +1,4 @@
+# $Id$
 #########################################################################
 #									#
 # 			Makefile for Isabelle (Cube)			#
@@ -8,6 +9,8 @@
 #	make 
 #To make the system and test it on standard examples, type  
 #	make test
+#To generate HTML files for every theory, set the environment variable
+#MAKE_HTML or add the parameter "MAKE_HTML=".
 
 #Environment variable ISABELLECOMP specifies the compiler.
 #Environment variable ISABELLEBIN specifies the destination directory.
@@ -25,8 +28,17 @@
 	case "$(COMP)" in \
 	poly*)	echo 'make_database"$(BIN)/Cube"; quit();'  \
 			| $(COMP) $(BIN)/Pure;\
-		echo 'open PolyML; exit_use"ROOT";' | $(COMP) $(BIN)/Cube ;;\
-	sml*)	echo 'exit_use"ROOT.ML"; xML"$(BIN)/Cube" banner;' | $(BIN)/Pure ;;\
+                if [ "$${MAKE_HTML-undefined}" != "undefined" ]; \
+                then echo 'open PolyML; init_html (); exit_use"ROOT";' \
+                       | $(COMP) $(BIN)/Cube;\
+		else echo 'open PolyML; exit_use"ROOT";' \
+		       | $(COMP) $(BIN)/Cube;\
+                fi;;\
+	sml*)	if [ "$${MAKE_HTML-undefined}" != "undefined" ];\
+                then echo 'init_html (); exit_use"ROOT.ML";                                               xML"$(BIN)/Cube" banner;' | $(BIN)/Pure;\
+                else echo 'exit_use"ROOT.ML"; xML"$(BIN)/Cube" banner;' \
+                       | $(BIN)/Pure;\
+                fi;;\
 	*)	echo Bad value for ISABELLECOMP: \
                 	$(COMP) is not poly or sml;;\
 	esac