Re: [csswg-drafts] [css-text-decor-4] Add use-font keyword for text-decoration-width & text-decoration-offset

> Can you explain more what sort of fixup this is?

CoreText uses a heuristic to guess when a font has bad data, and if it detects bad data, it synthesizes new values and exposes those.

If WebKit wanted to use literally what the font file says, it would have to parse the font file tables itself. This would be unfortunate because the CoreText synthesized data will be of higher quality than the font file itself (that's the whole point of the synthesis).

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Received on Thursday, 15 March 2018 22:44:31 UTC