{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::FrontmatterExtraCharactersAfterClose"}]}
            self.dcx().emit_err(errors::FrontmatterExtraCharactersAfterClose { span });
            let span = self.mk_sp(last_line_start_pos, self.pos);
        }