Created attachment 314092 [details]
failing test case
Based on https://drafts.csswg.org/css-ui-3/#text-overflow,
> Ellipsing occurs after relative positioning and other graphical transformations.
Webkit does not respect this requirement, and that causes the attached test case to fail.
(Note: the attached test file, following the convention of the csswg, requires the ahem font to be installed)
Created attachment 460002 [details]
rendering in Safari, firefox, chrome
Only Firefox shows a full green square (PASS)
Chrome and Safari shows the red square.