docs: correct two stale FIDELITY.md Known-gaps entries - #242
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@supports said it was "entirely unimplemented" — stale since round 78 (engine#169), which added a narrow light-dark() feature-test check. The Fonts bullet said @font-face loading did not exist, directly contradicting round 141's own bullet 130 lines above it in the same Known-gaps section, which already documented that it shipped (engine#233/#234/#236). The two were never reconciled until now. No code change; both corrections are to this file's own prose. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
@supportsbullet said it was "entirely unimplemented" — stale since round 78 (css+paint: evaluate @supports (color:light-dark()); box-shadow excludes its own box #169), which addedcss/supports.go'ssupportsConditionHolds, a narrow feature-test check for exactly(color: light-dark(...))(with or without a leadingnot). Corrected to describe what it actually recognises now and what it still does not (everything else, unchanged).@font-faceloading did not exist at all, directly contradicting round 141's own bullet 130 lines above it in the SAME "Known gaps" section, which already documents that@font-facefetching/WOFF2 decoding shipped (css: named font families, and @font-face (1/3) #233/Fetch and register a document's own @font-face files (2/3) #234/@font-face reaches a font service at last (WOFF2) #236). The two bullets were simply never reconciled. Corrected to describe the current, real capability.dop251/goja's ES2018for await...ofgap (upstream issue still open; the one newer goja commit is unrelated), the Go Mono comma-glyph-loses-its-tail bug (re-reproduced live, unchanged; neithergo-opentype/fontsnorgo-opentype/opentypehas touched glyph outlines/rasterisation since it was found), andgithub.com/srwiley/oksvg(pinned commit IS upstream's latest — unmaintained).No code change — both corrections are to
FIDELITY.md's own prose.Test plan
go build ./...,go vet ./...,go test ./...all green (unaffected, docs-only)🤖 Generated with Claude Code