{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"[SubstitutionHighlight"}]}
                [SubstitutionHighlight { start: 0, end }] if *end == line_to_add.len() => {
            match &highlight_parts {
                    buffer.puts(*row_num, max_line_num_len + 1, "+ ", Style::Addition);