{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
    ///   and not a word and should instead be parsed using [`path`](Self::path)
    /// - `#[rustfmt::skip]`: `rustfmt::skip` is a path,
    pub fn word_is(&self, sym: Symbol) -> Option<&ArgParser<'a>> {