Gecko: ✅❌ Characters that fail are ／ / – - Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0
Blink: ✅❌ Characters that fail are ／ · — ～ _Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_157) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
Webkit: ✅❌ Characters that fail are ／ · — – _Browser: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_157) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Safari/605.1.15
line-break:auto, 。．，、：；！
line-break:auto, ‼？⁇～-–—·・‧/／
line-break:auto, 」』”’）》〉】〗〕］｝
Results:
Related tests: Line-breaking & hyphenation