I thought you might be interested in looking at Altis Life - How to activiate special chars like Ä Ö Ü and ß?.
https://forums.bohemia.net/forums/topic/164121-altis-life-how-to-activiate-special-chars-like-%C3%A3%E2%80%9E-%C3%A3%E2%80%93-%C3%A3%C5%93-and-%C3%A3%C3%BF/?do=findComment&comment=2568391
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.