- update to 24.6.0:
* Supported Python versions are now 3.8, 3.9, 3.10, and 3.11.
* Running the unit tests no longer uses a third-party test
runner; the standard-library unittest module's runner is used
instead.
* Documentation of the HTML5 color algorithms has been updated
to emphasize which HTML5 spec is used (the WHATWG spec, which
is now the only canonical and maintained HTML5 spec) and
comments in the implementations have been updated to include
the latest prose description of the HTML5 algorithms from the
spec. These updates do not change the behavior of the HTML5
algorithms, and are only for clarity of documentation and
explanation.
* Adopted CalVer versioning.
* The raw mappings of color names/values are no longer publicly
exposed; use the appropriate normalizing conversion functions
instead of accessing the mappings directly.

- update to 24.6.0:
* to use a CalVer version number was 24.6.0.
* The API stability/deprecation policy for this library is as
follows:
* The supported stable public API of this library is the set of
symbols which are exported by its __all__ declaration and
which are documented in this documentation. For classes
exported there, the supported stable public API is the set of
methods and attributes of those classes whose names do not
begin with one or more underscore (_) characters and which
are documented in this documentation.
* When a public API is to be removed, or undergo a backwards-