Re: RFR [15] 6394757: rev2: AbstractSet.removeAll semantics are surprisingly dependent on relative sizes

A small point… you might want to reconsider your analysis of Set.copyOf(), as it is a static method and there is no receiver.

Re: RFR: 8244624: Improve handling of JarFile META-INF resources

Hi Claes, I think this looks good. One suggestion before you finalize and push, perhaps update the comment in ZipFile // Use the "oldest ASCII trick in the book" — to include something that this is for lowercase comparison. It just might help others when they look at the code and d