added Isar/calculation.ML;

--- a/src/Pure/IsaMakefile	Fri Jun 04 19:51:56 1999 +0200
+++ b/src/Pure/IsaMakefile	Fri Jun 04 19:53:03 1999 +0200
@@ -29,14 +29,14 @@
   General/pretty.ML General/scan.ML General/seq.ML General/source.ML \
   General/symbol.ML General/table.ML General/url.ML Interface/ROOT.ML \
   Interface/isamode.ML Interface/proof_general.ML Isar/ROOT.ML \
-  Isar/args.ML Isar/attrib.ML Isar/comment.ML Isar/isar.ML \
-  Isar/isar_cmd.ML Isar/isar_syn.ML Isar/isar_thy.ML Isar/method.ML \
-  Isar/outer_lex.ML Isar/outer_parse.ML Isar/outer_syntax.ML \
-  Isar/proof.ML Isar/proof_context.ML Isar/proof_data.ML \
-  Isar/proof_history.ML Isar/session.ML Isar/toplevel.ML \
-  ML-Systems/mlworks.ML ML-Systems/polyml.ML ML-Systems/smlnj-0.93.ML \
-  ML-Systems/smlnj.ML ROOT.ML Syntax/ROOT.ML Syntax/ast.ML \
-  Syntax/lexicon.ML Syntax/mixfix.ML Syntax/parser.ML \
+  Isar/args.ML Isar/attrib.ML Isar/calculation.ML Isar/comment.ML \
+  Isar/isar.ML Isar/isar_cmd.ML Isar/isar_syn.ML Isar/isar_thy.ML \
+  Isar/method.ML Isar/outer_lex.ML Isar/outer_parse.ML \
+  Isar/outer_syntax.ML Isar/proof.ML Isar/proof_context.ML \
+  Isar/proof_data.ML Isar/proof_history.ML Isar/session.ML \
+  Isar/toplevel.ML ML-Systems/mlworks.ML ML-Systems/polyml.ML \
+  ML-Systems/smlnj-0.93.ML ML-Systems/smlnj.ML ROOT.ML Syntax/ROOT.ML \
+  Syntax/ast.ML Syntax/lexicon.ML Syntax/mixfix.ML Syntax/parser.ML \
   Syntax/printer.ML Syntax/syn_ext.ML Syntax/syn_trans.ML \
   Syntax/syntax.ML Syntax/token_trans.ML Syntax/type_ext.ML \
   Thy/ROOT.ML Thy/browser_info.ML Thy/html.ML Thy/present.ML \

--- a/src/Pure/pure.ML	Fri Jun 04 19:51:56 1999 +0200
+++ b/src/Pure/pure.ML	Fri Jun 04 19:53:03 1999 +0200
@@ -11,8 +11,9 @@
     Locale.setup @
     HTML.setup @
     ProofContext.setup @
+    Attrib.setup @
     Method.setup @
-    Attrib.setup @
+    Calculation.setup @
     AxClass.setup @
     BrowserInfo.setup @
     Isamode.setup @