* Add TaskItem variant to NodeValue. (115, Élisabeth Henry)
0.5.1
* Support building on Rust versions back to 1.27.0. (114)
0.5.0
* Update API so that footnote reference and definition identifiers match. (110, Élisabeth Henry) * Update to CommonMark spec 0.29. (112)
0.4.4
* Add From<NodeValue> impl to AstNode. (105, Sunjay Varma)
0.4.3
* Add a Default derive and Ast::new to make ASTs programmatically constructible. (101, Sunjay Varma and 102)
0.4.2
* Add a callback to fill in broken reference links, per pulldown_cmark's Parser::new_with_broken_link_callback. (100, Sunjay Varma) * Update to latest spec. (99)