For what it's worth Gecko's [layout code](https://searchfox.org/mozilla-central/rev/d9f92154813fbd4a528453c33886dc3a74f27abb/layout/generic/nsLineLayout.cpp#2023-2025) thinks it's asking for the font metrics, but the font code [uses a constant](https://searchfox.org/mozilla-central/search?q=NS_FONT_%5BA-Z%5D*_OFFSET_RATIO&path=&case=false®exp=true). Note that that constant is separately used by the code that handles `font-variant-position`. -- GitHub Notification of comment by dbaron Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/5225#issuecomment-665336516 using your GitHub accountReceived on Tuesday, 28 July 2020 22:59:05 UTC
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