end
| _ -> assert false (* impossible *)
and subst_layout env = function
- | Ast.Box (kind, tl) -> Ast.Box (kind, List.concat (List.map (subst env) tl))
+ | Ast.Box (kind, tl) ->
+ Ast.Box (kind, List.concat (List.map (subst env) tl))
| l -> CicNotationUtil.visit_layout (subst_singleton env) l
in
subst_singleton env l1