[OrderedList (1,Decimal,Period)
 [[Para [Str "Head",Space,Str "1"]
  ,OrderedList (1,Decimal,DefaultDelim)
   [[Para [Str "Head",Space,Str "1.1"]]
   ,[Para [Str "Head",Space,Str "1.2"]]]]
 ,[Para [Str "Head",Space,Str "2"]
  ,OrderedList (1,Decimal,DefaultDelim)
   [[Para [Str "Head",Space,Str "2.1"]]]]]]