There is an updated pull request by toluschr against master on the void-packages repository

https://github.com/toluschr/void-packages add-kapman
https://github.com/void-linux/void-packages/pull/20951

New package: kapman-19.08.3
#20892 

A patch file from https://github.com/void-linux/void-packages/pull/20951.patch is attached