docs/polish ~ remove outdated commentary
* file that was distributed with this source code.
*/
-// #[macro_export]
-// macro_rules! main { ($($arg:tt)+) => ({
-// extern crate uu_arch;
-// use std::io::Write;
-// use uu_arch::uumain;
-
-// fn main() {
-// uucore::panic::install_sigpipe_hook();
-
-// let code = uumain(uucore::args().collect());
-// // Since stdout is line-buffered by default, we need to ensure any pending
-// // writes are flushed before exiting. Ideally, this should be enforced by
-// // each utility.
-// //
-// // See: https://github.com/rust-lang/rust/issues/23818
-// //
-// std::io::stdout().flush().expect("could not flush stdout");
-// std::process::exit(code);
-// }
-// })}
-
-// extern crate proc_macro;
-// use proc_macro::TokenStream;
-// #[proc_macro_attribute]
-// pub fn hello(attr: TokenStream, item: TokenStream) -> TokenStream {
-// let result = quote! {
-// fn main() {
-// uucore::panic::install_sigpipe_hook();
-// std::io::stdout().flush().expect("could not flush stdout");
-// std::process::exit(code);
-// }
-// };
-// }
-
#[macro_export]
macro_rules! executable(
() => ({
