[openstreetmap/openstreetmap-website] Tifinagh labels render as tofu boxes in the web map. (Issue #6637)

[Minh Nguyễn]

1ec5 left a comment (openstreetmap/openstreetmap-website#6637)

OK, I think I figured out the Shortbread layer. The VersaTiles stylesheets rely on Noto Sans glyph PBFs generated from [this set of fonts](https://github.com/versatiles-org/versatiles-fonts/blob/2f77d7c98b1c3cce59fd855496fea6b094a3c02f/fonts/Noto%20Sans/fonts.json), which omits Noto Sans Tifinagh. There is a glyph PBF for the Tifinagh Unicode block, but without a suitable source font, it’s probably all blank.

MapLibre GL JS v5.11.0 (#6499) introduced font substitution as a byproduct of maplibre/maplibre-gl-js#4564. That should cause it to fall back to a locally installed font for the Tifinagh codepoints, but the blank glyphs would probably foil that logic. (Additionally, your demo map is using MapLibre GL JS v5.6.2, which didn’t support font substitution yet.)

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