1.1 --- a/src/HOL/Library/Dlist.thy	Tue Jul 17 23:07:51 2012 +0200
     1.2 +++ b/src/HOL/Library/Dlist.thy	Tue Jul 17 23:11:24 2012 +0200
     1.3 @@ -180,10 +180,12 @@
     1.4  enriched_type map: map
     1.5    by (simp_all add: List.map.id remdups_map_remdups fun_eq_iff dlist_eq_iff)
     1.6  
     1.7 +
     1.8  subsection {* Quickcheck generators *}
     1.9  
    1.10  quickcheck_generator dlist predicate: distinct constructors: empty, insert
    1.11  
    1.12 +
    1.13  hide_const (open) member fold foldr empty insert remove map filter null member length fold
    1.14  
    1.15  end