Make modifications clearer per Apache license
// Copyright 2018 Andre-Philippe Paquet
-// Copyright 2021 Robert Swinford
+// Modifications copyright 2021 Robert Swinford
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// See the License for the specific language governing permissions and
// limitations under the License.
+// This file has been modified for use in the uutils project.
+
use rayon::prelude::*;
use std::{
cmp::Ordering,
