[test](https://w3c.github.io/i18n-tests/exploratory/line_breaking/int-line-break?lang=lo&fontSize=36&width=532&lineBreak=auto&wordBreak=normal&text=test%20tonal%20h%20clusters%3A%20%E0%BA%AB%E0%BA%A1%E0%BA%B2%E0%BB%9D%E0%BA%B2%E0%BA%AB%E0%BA%8D%E0%BA%B1%E0%BA%87) Use the control to gradually reduce the width of the orange boxes. There should be only 3 break points, separating the text into <span lang="lo">ຫມາ</span>, <span lang="lo">ໝາ</span>, and <span lang="lo">ຫຍັງ</span>. - Gecko: Firefox/84.0 Mac OS X 10.16 ✓✘ <span lang="lo">ໝາ</span>, and <span lang="lo">ຫຍັງ</span> work as expected, but <span lang="lo">ຫມາ</span> splits after the h letter. - Blink: Chrome/88.0.4324.96 Mac OS X 10.16 ✓✘ Same as Gecko - Webkit: Safari/605.1.15 Mac OS X 10.16 ✓✘ Same as Gecko