Copyright 2010-2021 Mike Bostock
Copyright 2020-2023 Philippe Rivière
Copyright 2023 The Refinery Authors <https://refinery.tools/>

SPDX-License-Identifier: ISC OR EPL-2.0

This file ncorporates patches from
https://github.com/d3/d3-zoom/tree/3afbe2ae2dfb3129231c5567db56dafb2d6a56a6
by Philippe Rivière.

Morevoer, it includes other modifications by the Refinery authors.