correct bug, dead code in toplevel.pl

src/prolog/toplevel.pl

@@ -1,8 +1,8 @@
-:- module('$toplevel', ['$repl'/1, consult/1, use_module/1, use_module/2]).
-
 :- use_module(library(lists)).
 :- use_module(library(si)).
 
+:- module('$toplevel', ['$repl'/1, consult/1, use_module/1, use_module/2]).
+
 '$repl'(ListOfModules) :-
     maplist('$use_list_of_modules', ListOfModules),
     false.
@@ -29,7 +29,8 @@
 	  catch('$$compile_batch', E, '$print_exception_with_check'(E))
        ;  consult(Item)
        )
-    ;  catch(throw(error(type_error(atom, Item), repl/0)),
+    ;  !,
+       catch(throw(error(type_error(atom, Item), repl/0)),
 	     E,
 	     '$print_exception_with_check'(E))       
     ).
@@ -91,8 +92,7 @@
 	  write(' .'),
 	  nl
        )
-    ;  repeat,
+    ;  thread_goals(Goals, ThreadedGoals, (',')),
-       thread_goals(Goals, ThreadedGoals, (',')),
        '$write_eq'(ThreadedGoals, VarList),
        '$raw_input_read_char'(C),
        (  C == (';'), !,