| Ast.Box (b, pl) -> Ast.Box(b, List.map aux pl)
| Ast.Group pl -> Ast.Group (List.map aux pl)
| Ast.Mstyle (l,pl) -> Ast.Mstyle (l, List.map aux pl)
| Ast.Box (b, pl) -> Ast.Box(b, List.map aux pl)
| Ast.Group pl -> Ast.Group (List.map aux pl)
| Ast.Mstyle (l,pl) -> Ast.Mstyle (l, List.map aux pl)