There is a new pull request by varsbhat against master on the void-packages repository

https://github.com/varsbhat/void-packages master
https://github.com/void-linux/void-packages/pull/18570

New package: stdman-2018.03.11
This package provides Formatted C++20 stdlib man pages (cppreference).

A patch file from https://github.com/void-linux/void-packages/pull/18570.patch is attached