[1] GitHub - unified-font-object/ufo-spec: The official Unified Font Object specification source files., 8/25/2023, 9:16:18 AM https://github.com/unified-font-object/ufo-spec
[2] Overview, 7/7/2023, 11:31:09 AM, 8/25/2023, 9:16:31 AM https://unifiedfontobject.org/
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