{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"//"}]}
        // Look for #![doc(html_root_url = "...")]
    pub fn get_html_root_url(self: &Crate, db: &dyn HirDatabase) -> Option<String> {
        let attrs = db.attrs(AttrDefId::ModuleId(self.root_module().into()));