1.1 --- a/src/Pure/subgoal.ML	Tue Apr 03 19:24:11 2007 +0200
     1.2 +++ b/src/Pure/subgoal.ML	Tue Apr 03 19:24:13 2007 +0200
     1.3 @@ -30,7 +30,7 @@
     1.4  fun focus ctxt i st =
     1.5    let
     1.6      val ((schematics, [st']), ctxt') =
     1.7 -      Variable.import true [MetaSimplifier.norm_hhf_protect st] ctxt;
     1.8 +      Variable.import_thms true [MetaSimplifier.norm_hhf_protect st] ctxt;
     1.9      val ((params, goal), ctxt'') = Variable.focus_subgoal i st' ctxt';
    1.10      val asms = Drule.strip_imp_prems goal;
    1.11      val concl = Drule.strip_imp_concl goal;