macro_rules! ascii_compatible_bmp_encoder_function {
    (
        $bmp_body:block,
        $bmp:ident,
        $slf:ident,
        $source:ident,
        $handle:ident,
        $copy_ascii:ident,
        $destination_check:ident,
        $name:ident,
        $input:ty,
        $source_struct:ident,
        $ascii_punctuation:expr
    ) => { ... };
}