I was using the Android app earlier, and decided not to post a comment after beginning. When I cancelled, I was mildly confused by the choice I was offered:
"Nevermind," to me, could also mean "never mind, I don't want to write this comment after all."
Can this be replaced with a simpler and less confusing text? The simplest option would probably be "Do you want to discard your comment? [Yes/No]" (ht Shadow Wizard, Shub)