Haha - i was looking for ¹, ² or § but couldn‘t find them on my german ipad onscreen keyboard, so i improvised.
Is that a common usage /auf Deutsch/? Such use is listed on the Wikipedia page, but it's a use I don't ever recall having seen before.
§ is a bit less common but iirc used in some legal texts. It's also easy to use on ANSI German keyboards with shift+3.
Especially on sites like this one, which have no previews.
[1]: Borrowing syntax from Markdown.