added url.ML;

--- a/src/Pure/General/ROOT.ML	Wed May 12 11:01:01 1999 +0200
+++ b/src/Pure/General/ROOT.ML	Wed May 12 16:50:56 1999 +0200
@@ -11,12 +11,13 @@
 use "name_space.ML";
 use "position.ML";
 use "scan.ML";
+use "source.ML";
+use "symbol.ML";
 use "path.ML";
+use "url.ML";
 use "file.ML";
 use "buffer.ML";
 use "history.ML";
-use "source.ML";
-use "symbol.ML";
 use "pretty.ML";
 
 structure PureGeneral =
@@ -28,11 +29,12 @@
   structure NameSpace = NameSpace;
   structure Position = Position;
   structure Scan = Scan;
+  structure Symbol = Symbol;
   structure Path = Path;
+  structure Url = Url;
   structure File = File;
   structure Buffer = Buffer;
   structure History = History;
   structure Source = Source;
-  structure Symbol = Symbol;
   structure Pretty = Pretty;
 end;

--- a/src/Pure/IsaMakefile	Wed May 12 11:01:01 1999 +0200
+++ b/src/Pure/IsaMakefile	Wed May 12 16:50:56 1999 +0200
@@ -27,24 +27,25 @@
   General/graph.ML General/history.ML General/name_space.ML \
   General/object.ML General/path.ML General/position.ML \
   General/pretty.ML General/scan.ML General/seq.ML General/source.ML \
-  General/symbol.ML General/table.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 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 Thy/thm_database.ML \
-  Thy/thy_info.ML Thy/thy_load.ML Thy/thy_parse.ML Thy/thy_scan.ML \
-  Thy/thy_syn.ML axclass.ML basis.ML context.ML deriv.ML display.ML \
-  drule.ML envir.ML goals.ML install_pp.ML library.ML locale.ML \
-  logic.ML net.ML object_logic.ML pattern.ML pure.ML pure_thy.ML \
-  search.ML sign.ML sorts.ML tactic.ML tctical.ML term.ML theory.ML \
-  theory_data.ML thm.ML type.ML type_infer.ML unify.ML
+  General/symbol.ML General/table.ML General/url.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 \
+  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 \
+  Thy/thm_database.ML Thy/thy_info.ML Thy/thy_load.ML Thy/thy_parse.ML \
+  Thy/thy_scan.ML Thy/thy_syn.ML axclass.ML basis.ML context.ML \
+  deriv.ML display.ML drule.ML envir.ML goals.ML install_pp.ML \
+  library.ML locale.ML logic.ML net.ML object_logic.ML pattern.ML \
+  pure.ML pure_thy.ML search.ML sign.ML sorts.ML tactic.ML tctical.ML \
+  term.ML theory.ML theory_data.ML thm.ML type.ML type_infer.ML \
+  unify.ML
 	@./mk