contao/core — comment on commit 56b1fa23ed35ce925ebe8b4db727017205232dba
File:  line 0
By Toflar:

I still prefer

```
/system/config/config.php <-- system config
/system/localconfig/config.php <-- local installation config
```

so people know that they don't need to change anything at all in the system/config directory ;-)