tuned signature according to Scala version -- prefer explicit argument;

--- a/src/Doc/antiquote_setup.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Doc/antiquote_setup.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -208,7 +208,7 @@
   is_some (Keyword.command_keyword name) andalso
     let
       val markup =
-        Outer_Syntax.scan Position.none name
+        Outer_Syntax.scan (Keyword.get_lexicons ()) Position.none name
         |> maps (Outer_Syntax.command_reports (#2 (Outer_Syntax.get_syntax ())))
         |> map (snd o fst);
       val _ = Context_Position.reports ctxt (map (pair pos) markup);

--- a/src/HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/HOL/Mirabelle/Tools/mirabelle_sledgehammer.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -525,7 +525,7 @@
     fun do_method named_thms ctxt =
       let
         val ref_of_str =
-          suffix ";" #> Outer_Syntax.scan Position.none #> Parse_Spec.xthm
+          suffix ";" #> Outer_Syntax.scan (Keyword.get_lexicons ()) Position.none #> Parse_Spec.xthm
           #> fst
         val thms = named_thms |> maps snd
         val facts = named_thms |> map (ref_of_str o fst o fst)
@@ -551,7 +551,7 @@
           let
             val (type_encs, lam_trans) =
               !meth
-              |> Outer_Syntax.scan Position.start
+              |> Outer_Syntax.scan (Keyword.get_lexicons ()) Position.start
               |> filter Token.is_proper |> tl
               |> Metis_Tactic.parse_metis_options |> fst
               |>> the_default [ATP_Proof_Reconstruct.partial_typesN]

--- a/src/HOL/Tools/Lifting/lifting_setup.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/HOL/Tools/Lifting/lifting_setup.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -221,7 +221,7 @@
 
     val thy = Proof_Context.theory_of lthy
     val dummy_thm = Thm.transfer thy Drule.dummy_thm
-    val pointer = Outer_Syntax.scan Position.none bundle_name
+    val pointer = Outer_Syntax.scan (Keyword.get_lexicons ()) Position.none bundle_name
     val restore_lifting_att = 
       ([dummy_thm], [Args.src ("Lifting.lifting_restore_internal", Position.none) pointer])
   in

--- a/src/HOL/Tools/try0.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/HOL/Tools/try0.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -48,12 +48,12 @@
       NONE
   end;
 
-val parse_method =
-  enclose "(" ")"
-  #> Outer_Syntax.scan Position.start
-  #> filter Token.is_proper
-  #> Scan.read Token.stopper Method.parse
-  #> (fn SOME (Method.Source src, _) => src | _ => raise Fail "expected Source");
+fun parse_method s =
+  enclose "(" ")" s
+  |> Outer_Syntax.scan (Keyword.get_lexicons ()) Position.start
+  |> filter Token.is_proper
+  |> Scan.read Token.stopper Method.parse
+  |> (fn SOME (Method.Source src, _) => src | _ => raise Fail "expected Source");
 
 fun apply_named_method_on_first_goal ctxt =
   parse_method

--- a/src/Pure/Isar/isar_syn.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/Isar/isar_syn.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -744,7 +744,7 @@
 val _ =
   Outer_Syntax.improper_command @{command_spec "Isabelle.command"} "evaluate nested Isabelle command"
     (props_text :|-- (fn (pos, str) =>
-      (case Outer_Syntax.parse pos str of
+      (case Outer_Syntax.parse (Outer_Syntax.get_syntax ()) pos str of
         [tr] => Scan.succeed (K tr)
       | _ => Scan.fail_with (K (fn () => "exactly one command expected")))
       handle ERROR msg => Scan.fail_with (K (fn () => msg))));

--- a/src/Pure/Isar/outer_syntax.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/Isar/outer_syntax.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -31,9 +31,9 @@
     (local_theory -> Proof.state) parser -> unit
   val help_outer_syntax: string list -> unit
   val print_outer_syntax: unit -> unit
-  val scan: Position.T -> string -> Token.T list
-  val parse: Position.T -> string -> Toplevel.transition list
-  val parse_tokens: Scan.lexicon * Scan.lexicon -> Position.T -> string -> Token.T list
+  val scan: Scan.lexicon * Scan.lexicon -> Position.T -> string -> Token.T list
+  val parse: (Scan.lexicon * Scan.lexicon) * outer_syntax ->
+    Position.T -> string -> Toplevel.transition list
   val parse_spans: Token.T list -> Command_Span.span list
   type isar
   val isar: TextIO.instream -> bool -> isar
@@ -258,25 +258,19 @@
 
 (* off-line scanning/parsing *)
 
-fun scan pos str =
-  Source.of_string str
-  |> Symbol.source
-  |> Token.source {do_recover = SOME false} Keyword.get_lexicons pos
-  |> Source.exhaust;
-
-fun parse pos str =
-  Source.of_string str
-  |> Symbol.source
-  |> Token.source {do_recover = SOME false} Keyword.get_lexicons pos
-  |> toplevel_source false NONE lookup_commands_dynamic
-  |> Source.exhaust;
-
-fun parse_tokens lexs pos =
+fun scan lexs pos =
   Source.of_string #>
   Symbol.source #>
   Token.source {do_recover = SOME false} (K lexs) pos #>
   Source.exhaust;
 
+fun parse (lexs, syntax) pos str =
+  Source.of_string str
+  |> Symbol.source
+  |> Token.source {do_recover = SOME false} (K lexs) pos
+  |> toplevel_source false NONE (K (lookup_commands syntax))
+  |> Source.exhaust;
+
 
 (* parse spans *)
 

--- a/src/Pure/PIDE/document.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/PIDE/document.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -318,7 +318,7 @@
       val span =
         Lazy.lazy (fn () =>
           Position.setmp_thread_data (Position.id_only id)
-            (fn () => Outer_Syntax.parse_tokens (Keyword.get_lexicons ()) (Position.id id) text) ());
+            (fn () => Outer_Syntax.scan (Keyword.get_lexicons ()) (Position.id id) text) ());
       val _ =
         Position.setmp_thread_data (Position.id_only id)
           (fn () => Output.status (Markup.markup_only Markup.accepted)) ();

--- a/src/Pure/PIDE/resources.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/PIDE/resources.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -157,7 +157,7 @@
     val _ = Thy_Header.define_keywords header;
 
     val lexs = Keyword.get_lexicons ();
-    val toks = Outer_Syntax.parse_tokens lexs text_pos text;
+    val toks = Outer_Syntax.scan lexs text_pos text;
     val spans = Outer_Syntax.parse_spans toks;
     val elements = Thy_Syntax.parse_elements spans;
 

--- a/src/Pure/Thy/thy_info.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/Thy/thy_info.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -380,7 +380,7 @@
 
 fun script_thy pos txt =
   let
-    val trs = Outer_Syntax.parse pos txt;
+    val trs = Outer_Syntax.parse (Outer_Syntax.get_syntax ()) pos txt;
     val end_pos = if null trs then pos else Toplevel.pos_of (List.last trs);
     val end_state = fold (Toplevel.command_exception true) trs Toplevel.toplevel;
   in Toplevel.end_theory end_pos end_state end;

--- a/src/Pure/Tools/find_consts.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/Tools/find_consts.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -143,7 +143,7 @@
 in
 
 fun read_query pos str =
-  Outer_Syntax.scan pos str
+  Outer_Syntax.scan (Keyword.get_lexicons ()) pos str
   |> filter Token.is_proper
   |> Scan.error (Scan.finite Token.stopper (Parse.!!! (query --| Scan.ahead Parse.eof)))
   |> #1;

--- a/src/Pure/Tools/find_theorems.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Pure/Tools/find_theorems.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -528,7 +528,7 @@
 in
 
 fun read_query pos str =
-  Outer_Syntax.scan pos str
+  Outer_Syntax.scan (Keyword.get_lexicons ()) pos str
   |> filter Token.is_proper
   |> Scan.error (Scan.finite Token.stopper (Parse.!!! (query --| Scan.ahead Parse.eof)))
   |> #1;

--- a/src/Tools/Code/code_target.ML	Tue Aug 12 18:54:53 2014 +0200
+++ b/src/Tools/Code/code_target.ML	Tue Aug 12 20:18:27 2014 +0200
@@ -695,7 +695,7 @@
   let
     val ctxt = Proof_Context.init_global (Thy_Info.get_theory thyname);
     val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
-      (filter Token.is_proper o Outer_Syntax.scan Position.none);
+      (filter Token.is_proper o Outer_Syntax.scan (Keyword.get_lexicons ()) Position.none);
   in case parse cmd_expr
    of SOME f => (writeln "Now generating code..."; f ctxt)
     | NONE => error ("Bad directive " ^ quote cmd_expr)