Changes

1.3.1 (2023-08-26)
- Fix typo in README
- Add ?empty and ?empty_style to printers of collections

1.3.0 (2020-01-09)
- Add pp_result and generics
- Factor signature

1.2.2 (2022-01-04):
- Disable warning 70 (missing mli file)

1.2.1 (2019-07-10):
- Fix a stupid bug in pp_iterable_mapping_generic

1.2 (2019-07-09):
- add pp_iterable_generic, pp_iterable, pp_iterable_mapping_generic and pp_iterable_mapping
- add pp_iterable_mapping_more_generic
- cleanup: rewrite pp_list_generic using pp_iterable_generic and remove useless calls to fprintf
- refactor pretty-printers to share code between Format and Printf versions

1.1 (2019-06-13):
- dune is now a build dependency
- Support OCaml from 4.02.3, using cppo
- For OCaml 4.08.0: add constructors Ocolor_style_tag and Ocolor_styles_tag to Format.stag
- Improve inner working of Ocolor_format