syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! [Hasse diagram]: https://en.wikipedia.org/wiki/Hasse_diagram
context_before: //! [set inclusion]: https://en.wikipedia.org/wiki/Subset
context_after: //! [poset]: https://en.wikipedia.org/wiki/Partially_ordered_set