Stephen Nixon

varLib: `Invalid axis values, must be minimum, default, maximum` if axis mapping inverts value range

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## Scenario If axis mapping is inversed (min and max are flipped between designspace and userspace values), varLib fails to map to normalized values. I’ve hit this issue in two...

[designspaceLib] Adjust spec for `public.skipExportGlyphs`

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This proposal is described further at https://github.com/fonttools/fonttools/issues/3935, as well as the earlier issue thread at https://github.com/googlefonts/ufo2ft/issues/854. In this PR, I am slightly more confident in the [first commit](https://github.com/fonttools/fonttools/commit/11c0a38b1c7d447103cd4d4434c3abb1608b3cc3) and slightly...

## Common scenario `public.skipExportGlyphs` gets set in UFOs, with the intention and expectation that these glyphs won’t be built into output fonts. This is behavior that is useful and common...

## Problem "Change Metrics by Percentage" and "Adjust Sidebearings" break alignment on glyphs that use a base glyph as a component, plus a drawn contour. For example, both scripts have...