Fix too many newlines

test/doc_test.ml

@@ -145,6 +145,7 @@ let replace_emph =
 
 let fix_comment doc =
   let rec inner state = function
+    | l :: ls when String.trim l = "" -> l :: inner state ls (* Ignore empty lines *)
     | l :: ls when String.starts_with ~prefix:"  " l -> begin
         match state with
         | `In_list -> l :: inner state ls
@@ -343,14 +344,10 @@ let%expect_test _ =
       }
     }
 
-
-
     package google.storage.v2;
     service Storage {
       rpc GetAcl(GetAclRequest) returns (Acl);
 
-
-
       // Get a data record.
       rpc GetData(GetDataRequest) returns (Data) {
         option (google.api.http).get = "/v2/{resource=**}";