Closed
Bug 1408732
Opened 7 years ago
Closed 7 years ago
accented letter double width
Categories
(Core :: Graphics: Text, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 1309934
People
(Reporter: thinkkos+bugzilla, Unassigned)
Details
Attachments
(1 file)
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14.81 KB,
image/png
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Details |
Screenshot of the bug as I see it
Attached is a screenshot of the problem.
The page I encountered with the bug: https://soundcloud.com/meziguepaname/le-probleme-frenchtouch
The bug is present using Nightly 2017-10-14 on macOS 10.12.6.
This seems to come from a font rendering issue, as playing with the font-family causes the accent to move around, and the spacing to disappear (w/ `"Interstate", sans-serif`).
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Comment 1•7 years ago
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I see this even with stylo disabled.
Summary: Stylo: accented letter double width → accented letter double width
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Comment 2•7 years ago
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And it goes back to at least Firefox 30. I'm on macOS 10.13.
Component: CSS Parsing and Computation → Graphics: Text
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Comment 3•7 years ago
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The site is using a webfont that doesn't support the combining-mark accents (in this case, U+0300 COMBINING GRAVE ACCENT), but that particular bit of text uses the sequence <e, combining-grave> instead of the precomposed e-grave letter (U+00E8). So font fallback comes into effect for the combining-grave character, and text shaping doesn't work across a font-run boundary between base letter and combining mark.
This wouldn't happen if the site's text were normalized to NFC (as per W3C recommendations), nor if their webfont fully supported all the combining accents that occur in their content.
See bug 1309934 (and its duplicates).
Status: UNCONFIRMED → RESOLVED
Closed: 7 years ago
Resolution: --- → DUPLICATE
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Description
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