For the interested, here is Gruber's explanation, correction, and apology. https://daringfireball.net/2019/10/correction_regarding_an_erroneous_allegation http

For the interested, here is Gruber's explanation, correction, and apology. https://daringfireball.net/2019/10/correction_regarding_an_erroneous_allegation https://daringfireball.net/2019/10/correction_regarding_an_e... I don't think "I sincerely and deeply regret the error." is fairly described as "sorry-not-sorry half-hearted retraction".