Jeff King <peff@xxxxxxxx> writes: > This series teaches check_refname_format() to enforce these rules (when > instructed; see patch 6 for a discussion of all sorts of complications). > > These changes are not backwards-compatible! But that is kind of the > point. This is stuff that was never supposed to work. My concern would > just be that somehow somebody is relying on it. I would of course be worried about the same, but these all look like reasonable "I wish we did them in this way from the beginning" changes.