Have you guys found a way to edit the fonts, perhaps? Adding some accents might not be an issue, just really take some time.
I just ran into the same problem, used this to add the characters I needed - https://www.pentacom.jp/pentacom/bitfontmaker2/
I just ran into the same problem, used this to add the characters I needed - https://www.pentacom.jp/pentacom/bitfontmaker2/