Support for GDEF Header, Version 1.3 needed

[eliheuer]

Observed behaviour

MS-FonVal returns the following FAIL:

* FAIL: MS-FonVal: The version number is neither 0x00010000 nor 0x0001002 DETAILS: 0x00010003

Expected behaviour

https://docs.microsoft.com/en-us/typography/opentype/spec/gdef Describes GDEF header version 1.3, which should be supported?

Resources and exact process needed to replicate

Run MS-FonVal on a font that has a GDEF v1.3 header, example: https://github.com/eliheuer/orbitron-vf

[HinTak]

Thanks - fixed in HinTak@ffbf41b
I also left a "TODO" there for 1.3 specific additions.