syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"write!(w,"}]}
source_snippet:         write!(w, concat!("<tr>", r#"<td colspan="2" {fmt}>MIR</td>"#,), fmt = fmt,)?;
context_before:         let fmt = format!("bgcolor=\"{}\" sides=\"tl\"", Self::HEADER_COLOR);