# Reference Exhaustive tables and the Python API. The guides link here; you rarely need to read these pages in order. | Page | Contents | |---|---| | [API](api.md) | `HandCalcs`, `handcalc`, configuration functions, renderer classes | | [Comment commands](comment-commands.md) | Every `# hc:` flag and context field | | [Configuration options](configuration-options.md) | Options, defaults, the config file | | [Node types](node-types.md) | Every node `type` string, its class and module | | [Classifiers](classifiers.md) | Registration classifiers, and each built-in renderer's handlers and rules | | [Changelog](changelog.md) | What changed in each release | ```{toctree} :hidden: api comment-commands configuration-options node-types classifiers changelog ```