The umlaut does mean that to a Swede it is not the same word sound at all. I can only guess that is why it was allowed?
The sound is still very close in this situation (ä before r) my guess is they didn't have the Spanish sarna on their radar
alt Hacker News
The sound is still very close in this situation (ä before r) my guess is they didn't have the Spanish sarna on their radar