{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"for"}]}
                for before in escape_places.peeking_take_while(|insert| *insert >= up_to) {
            let mut escape_prior_bits = |new_text: &mut String, up_to: usize| {
                    new_text.insert(before, '\\');