This setting is commented out for [Vala](https://github.com/geany/geany/blob/3f20ad363a38e9f6b08877d5ade1290d7c69e670...)
vs being set for [Python](https://github.com/geany/geany/blob/3f20ad363a38e9f6b08877d5ade1290d7c69e670...)
Some Valaist should decide if this is deliberate.