{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"BreakRule::Always(1)"}]}
            BreakRule::Always(1) => Some((idx, MdTree::LineBreak)),
        .filter_map(|(idx, w)| match should_break(&w[0], &w[1]) {
            BreakRule::Always(2) => Some((idx, MdTree::ParagraphBreak)),