A professor of mine today tripped over the word "err". She said she'd pronounced it like "air" all her life (sorry, I really can't do IPA yet), or like the first syllable of "error" but recently had been told it should be "er" or "ur" like warm-er or Sat-ur-day.
Is this a dialect thing? Growing up in Ohio / midwestern US I always heard "air" but now I live in Massachusetts. As always, do those of you from other English-speaking countries have thoughts on the matter?