calixteman bc99fc0678

Don't clamp BlueScale up when a font genuinely has small zones ...

The lower BlueScale clamp from #21343 guarded foundry fonts via
`blueScale < DEFAULT_BLUE_SCALE`, but that lets a near-default value
(e.g. 0.037) with small zones get raised to `0.5 / maxZoneHeight`. On
macOS' Core Text rasterizer this collapses the overshooting glyphs, so
most text disappears (not reproducible on Linux/Windows).

2026-06-16 19:34:48 +02:00

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