> central is defined as "halfway between the ideographic-under and ideographic-over baselines", so it will never be defined without iTop and iBottom, correct? Depends on the font format, some formats have an explicit ideographic-central baseline. > emHeightAscent and emHeightDescent, not fontBoundingBoxAscent and fontBoundingBoxDescent, correct? Yes. > Maybe we suggest HTML Canvas to add horizontal and vertical metrics? I guess that's an issue for Canvas API :) In CSS we would use the correct set depending on writing-mode... -- GitHub Notification of comment by fantasai Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/5312#issuecomment-667155712 using your GitHub account -- Sent via github-notify-ml as configured in https://github.com/w3c/github-notify-ml-configReceived on Friday, 31 July 2020 14:42:53 UTC
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