Macro ascii_compatible_encoder_functions

macro_rules! ascii_compatible_encoder_functions {
    (
        $bmp_body:block,
        $astral_body:block,
        $bmp:ident,
        $astral:ident,
        $slf:ident,
        $source:ident,
        $handle:ident,
        $copy_ascii:ident,
        $destination_check:ident,
        $ascii_punctuation:expr
    ) => { ... };
}