Macro combu::copyright

macro_rules! copyright {
    () => { ... };
    ([]) => { ... };
    ($raw_str:literal) => { ... };
    (->$raw_str:literal) => { ... };
    (->$raw:expr) => { ... };
    (...) => { ... };
    (from_crate) => { ... };
    ($prefix:literal$(,)? $year:literal$(,)?$holder:ident) => { ... };
    ($prefix:literal, $year:literal,$holder:expr) => { ... };
    ($prefix:literal $year:literal $holder:expr) => { ... };
    (from_crate,$year:literal) => { ... };
    ($year:literal,from_crate) => { ... };
    ($prefix:literal, $year:literal,$holder:literal) => { ... };
    ($prefix:literal $year:literal $holder:literal) => { ... };
    (...$(,)?$year:literal) => { ... };
    ($year:literal$(,)?...) => { ... };
    ({$($t:tt)*}) => { ... };
    (($($t:tt)*)) => { ... };
    ($year:literal$(,)?$holder:ident) => { ... };
    ($year:literal$(,)?$holder:expr) => { ... };
    ($prefix:expr, $year:expr,$holder:ident) => { ... };
    ($prefix:expr, $year:expr,$holder:expr) => { ... };
}

Macro for creating copyright