Rather than creating German categories, it would make sense to contact the Wiki owner (firstname.lastname@example.org) and ask him to enable German as a Wiki language, I know Martini has refused to add any languages but English on the OS/2 World wiki, but Adrian Gschwend being a native German speaker himself should see things in a slightly different light.
Just a friendly note here. If you replace <pre> with <code> you will have to place extra blank lines, otherwise
First line second line third line
I'm aware of this issue. But sometimes the macros not working correctly, and it's a lot of extra fixing manually. I wrote a message to (email@example.com) - but no response at all.--ak120 (talk) 15:29, 12 April 2016 (CEST)