1.1 --- a/src/HOL/NSA/Filter.thy	Fri Apr 16 20:56:40 2010 +0200
     1.2 +++ b/src/HOL/NSA/Filter.thy	Fri Apr 16 21:28:09 2010 +0200
     1.3 @@ -403,6 +403,6 @@
     1.4  
     1.5  lemmas freeultrafilter_Ex = UFT.freeultrafilter_ex [OF UFT.intro]
     1.6  
     1.7 -hide (open) const filter
     1.8 +hide_const (open) filter
     1.9  
    1.10  end