In context of SinglePos, makeotf compiles zero values to value records
of format 0. feaLib already does the same, but it's good to have tests
to make sure that this doesn't accidentally change.
https://github.com/fonttools/fonttools/issues/633
We now correctly handle nameid statements with surrogate pairs and
old-style macOS-encoded names (provided that fonttools supports the
specified encoding).
Resolves https://github.com/fonttools/fonttools/issues/842.
