assert (maxmeta >= maxm);
let res' =
List.map
- (fun subst',(_,metasenv,_subst,proof,_, _),open_goals ->
+ (fun (subst',(_,metasenv,_subst,proof,_, _),open_goals) ->
assert_subst_are_disjoint subst subst';
let subst = subst@subst' in
let open_goals =