e.g. no-op is spelled noöp quite a few times. not all of the misspelled words actually even need a hyphen, such as where deallocate is spelled deällocate. (I know technically that those are fine in archaic english, but it's generally agreed that those aren't fine anymore)
you should be able to find them all with this search: https://github.com/search?q=repo%3Aferrilab%2Fbitvec+%2F%C3%A4%7Cc%CC%88%7C%C3%AB%7C%C3%AF%7Cj%CC%88%7Ck%CC%88%7Cl%CC%88%7Cm%CC%88%7Cn%CC%88%7C%C3%B6%7Cs%CC%88%7C%E1%BA%97%7C%C3%BC%7C%CC%88%2F&type=code