Heck-R

### Note There are also 2 issues to which this change is relevant: [#217](https://github.com/Keypirinha/Keypirinha/issues/217) and [#209](https://github.com/Keypirinha/Keypirinha/issues/209) While both are already closed, they were only partially addressed.

> I'd sort this issue to the "page not handled" pile. Unless there's high demand, it will probably stay unsupported. Sad, but I can understand :/ > There is the...

A specific example where I find this to be necessary/useful is overwriting the volume change from linear to "relative" (meaning the volume always changes by 10%, which is more consistent...