Minor fixes & formatting

Signed-off-by: Jack Rickard <[email protected]>

Author: Skepfyr

src/attribute.mli

@@ -75,7 +75,6 @@ module Context : sig
   val psig_extension : signature_item t
   val rtag : row_field t
   val object_type_field : object_field t
-
   val equal : 'a t -> 'b t -> bool
 end
 

src/context_free.mli

@@ -72,7 +72,7 @@ module Rule : sig
     (ctxt:Expansion_context.Base.t -> 'a -> 'b -> 'a) ->
     t
 
-  val attr_multiple_replace:
+  val attr_multiple_replace :
     string ->
     'a Extension.Context.t ->
     ('a, 'list) Attribute_list.t ->

test/attr_replace/dune

@@ -16,6 +16,8 @@
    (run ./ppx_attr_replace.exe test.ml))))
 
 (rule
+ (enabled_if
+  (>= %{ocaml_version} "4.10.0"))
  (alias runtest)
  (action
   (diff test.ml.expected test.ml.actual)))