I'm not sure what "European keyboard" you have but mine doesn't work that way. [ is a key on my keyboard I don't need to press any modifiers for. It's also a b

I'm not sure what "European keyboard" you have but mine doesn't work that way. [ is a key on my keyboard I don't need to press any modifiers for. It's also a bit odd to generalise this to European keyboards as some layouts vary wildly on the continent based on the lack of or added letters to their alphabet. Also, UK is in Europe so would count as a European layout.