Re: [csswg-drafts] [css-values] Fallback value of ex height (#5243) from Myles C. Maxfield via GitHub on 2020-07-01 (public-css-archive@w3.org from July 2020)

From: Myles C. Maxfield via GitHub <sysbot+gh@w3.org>
Date: Wed, 01 Jul 2020 19:09:45 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-652596863-1593630584-sysbot+gh@w3.org>

WebKit does:

```C++
            Glyph xGlyph = glyphForCharacter('x');
            if (xGlyph)
                xHeight = -CGRectGetMinY(platformBoundsForGlyph(xGlyph));
            else
                xHeight = CTFontGetXHeight(m_platformData.font());
```

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Received on Wednesday, 1 July 2020 19:09:47 UTC