even when there are no Regions and thus we can't take the length of VarRegionAxis array. This is to appease older versions of OTS which blindly enforce this rule and reject a VF that has, e.g., an empty HVAR table with no regions if the HVAR.VarStore.VarRegionList.RegionAxisCount != fvar.AxisCount. Fixes https://github.com/fonttools/fonttools/issues/1670 Related: https://github.com/fonttools/fonttools/pull/1671 https://github.com/googlefonts/fontmake/issues/565 https://github.com/khaledhosny/ots/pull/192