pub(crate) fn to_string_but_skip_n(&self, n: usize) -> String {
        if let Some(s) = self.s {
            sub_char_range(s, 0..n).to_owned()
        } else {
            " ".repeat(self.offset.saturating_sub(n))
        }
    }
Convert to a string but skip `n` chars
src/reflow/mod.rs