https://github.com/clientIO/joint/discussions/2091
https://github.com/clientIO/joint/discussions/2081
No-Library (pure JS), HTML, CSS, JavaScript
Does not take `vertices` into account .
Various link markers
https://github.com/clientIO/joint/issues/2026
https://github.com/clientIO/joint/discussions/2028 highighterSelector
https://github.com/clientIO/joint/discussions/1989
https://github.com/clientIO/joint/discussions/1980
https://github.com/clientIO/joint/discussions/1967
https://github.com/clientIO/joint/discussions/1968