Comparison with ICU would be interesting but probably unfair given size and age of ICU. Personally I&#x27;d like to see it compared to utf8rewind (previously discussed on HN [1]).<p>[1] <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10029979" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10029979</a>