{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
    let ctx = Context { top_block: true, prev: Prev::Newline };
pub(crate) fn entrypoint(txt: &str) -> MdStream<'_> {
    normalize(parse_recursive(txt.trim().as_bytes(), ctx), &mut Vec::new())