added data.ML;

--- a/src/Pure/IsaMakefile	Tue Oct 14 17:34:21 1997 +0200
+++ b/src/Pure/IsaMakefile	Tue Oct 14 17:34:36 1997 +0200
@@ -16,7 +16,7 @@
 	Syntax/syntax.ML Syntax/token_trans.ML Syntax/type_ext.ML Thy/ROOT.ML\
 	Thy/symbol_input.ML Thy/thm_database.ML Thy/thy_parse.ML Thy/thy_read.ML \
 	Thy/thy_scan.ML Thy/thy_syn.ML Thy/thy_info.ML Thy/browser_info.ML \
-        axclass.ML basis.ML deriv.ML display.ML drule.ML envir.ML goals.ML \
+        axclass.ML basis.ML data.ML deriv.ML display.ML drule.ML envir.ML goals.ML \
 	install_pp.ML library.ML logic.ML net.ML name_space.ML pattern.ML \
 	search.ML section_utils.ML sequence.ML sign.ML sorts.ML symtab.ML tactic.ML \
 	tctical.ML term.ML theory.ML thm.ML type.ML type_infer.ML unify.ML

--- a/src/Pure/ROOT.ML	Tue Oct 14 17:34:21 1997 +0200
+++ b/src/Pure/ROOT.ML	Tue Oct 14 17:34:36 1997 +0200
@@ -29,6 +29,7 @@
 use "sorts.ML";
 use "type_infer.ML";
 use "type.ML";
+use "data.ML";
 use "sign.ML";
 use "sequence.ML";
 use "envir.ML";