{"ast_node_type":"function","tokens":[{"end":53,"kind":"keyword","start":0,"text":"fn"}]}
fn parse_links<'md>(doc: &'md str) -> Vec<Box<str>> {
/// This will collect destination links and display text if exists.
    let mut broken_link_callback = |link: BrokenLink<'md>| Some((link.reference, "".into()));