> Ah, I see why I was confused. Previously, 'optional' meant whether > the arguments were _present_. Now, an optional argument can be > present but 'null'. Correct.
> If there's some good way to clarify the new behavior in the comment, > it might be worthwhile. For example, the 3rd and 4th sentences could > read: Done. > Ah, so the code here is intentionally _clearing_ any value that may > have been set, if the other arguments were not given? That makes > sense now -- consider clarifying the comments (e.g. "Ignore" -> > "Clear"). Yes, done. Submitted. Steve
