Macro custom_punctuation_len 

#[doc(hidden)]
macro_rules! custom_punctuation_len {
    ($mode:ident, +) => { ... };
    ($mode:ident, +=) => { ... };
    ($mode:ident, &) => { ... };
    ($mode:ident, &&) => { ... };
    ($mode:ident, &=) => { ... };
    ($mode:ident, @) => { ... };
    ($mode:ident, !) => { ... };
    ($mode:ident, ^) => { ... };
    ($mode:ident, ^=) => { ... };
    ($mode:ident, :) => { ... };
    ($mode:ident, ::) => { ... };
    ($mode:ident, ,) => { ... };
    ($mode:ident, /) => { ... };
    ($mode:ident, /=) => { ... };
    ($mode:ident, .) => { ... };
    ($mode:ident, ..) => { ... };
    ($mode:ident, ...) => { ... };
    ($mode:ident, ..=) => { ... };
    ($mode:ident, =) => { ... };
    ($mode:ident, ==) => { ... };
    ($mode:ident, >=) => { ... };
    ($mode:ident, >) => { ... };
    ($mode:ident, <=) => { ... };
    ($mode:ident, <) => { ... };
    ($mode:ident, *=) => { ... };
    ($mode:ident, !=) => { ... };
    ($mode:ident, |) => { ... };
    ($mode:ident, |=) => { ... };
    ($mode:ident, ||) => { ... };
    ($mode:ident, #) => { ... };
    ($mode:ident, ?) => { ... };
    ($mode:ident, ->) => { ... };
    ($mode:ident, <-) => { ... };
    ($mode:ident, %) => { ... };
    ($mode:ident, %=) => { ... };
    ($mode:ident, =>) => { ... };
    ($mode:ident, ;) => { ... };
    ($mode:ident, <<) => { ... };
    ($mode:ident, <<=) => { ... };
    ($mode:ident, >>) => { ... };
    ($mode:ident, >>=) => { ... };
    ($mode:ident, *) => { ... };
    ($mode:ident, -) => { ... };
    ($mode:ident, -=) => { ... };
    ($mode:ident, ~) => { ... };
    (lenient, $tt:tt) => { ... };
    (strict, $tt:tt) => { ... };
}