This is what the menu looks like with German Dorico and German keyboard:
English Dorico with German keyboard:
If you add the Shift+0 key command with German Dorico using a German keyboard, then the Shift+9 key command will then work on the German keyboard because the 9 is found under the “)” character. Sounds complicated, but I think you’ll manage to… first… understand what I mean and then correct it at some point if there is time for that… Thanks a lot!