syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// some other macro (which is the case for built-in and procedural macros).
context_before:     /// given ID and transparency, assuming that macro was defined directly and not produced by
context_after:     fn with_ctxt_from_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {