For future contributer and maintainers, please apply to the same rigorous examination and documentation style as we have established so far.
It is the only way for us to reach far.
If some bug is forcing you to do some hacking, workaround, or any kind of strange logic that is not immediately comprehensible, be sure to add clear explanation comments at obvious places nearby.
Every 'unpleasant surprise' encountered along the road is a big deal:
Either something is not working, or some designed feature is far less intuitive than what the designer thought it would be.
So make sure to do all the followings: