Round-trip Dump and Build appears to change GPOS kerning

[MalcolmWooden]

Original font has no kern here. After Dump and Build a new kerning pair has appeared.

[be5invis]

Json difference?

[be5invis]

Also OTFCC does not support legacy kern table. Only GPOS would be processed.

[MalcolmWooden]

First lookups of GPOS kerning from original. First lookups of GPOS kerning after Dump and Build.

[be5invis]

	Looks like a bug when generating individual-based lookup from class-based...
	
	

	

On Fri, Dec 28, 2018 at 10:27 PM +0800, "MalcolmWooden" [email protected] wrote:

First lookups of GPOS kerning from original.

First lookups of GPOS kerning after Dump and Build.

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[be5invis]

@MalcolmWooden Could you please provide me the file so I can test?

[MalcolmWooden]

Here is the font that I used. Kopik-Bold.otf.zip

[be5invis]

I tried one roundtrip (using Master version) and does not have any problem. I know there are some older version that breaks kerning lookups. Maybe you can try to build with Master.

[MalcolmWooden]

Sorry but I am not familar with building projects with Premake and Lua. Do you have a Master Mac O/S version you can upload?

[be5invis]

@clerkma

[clerkma]

otfcc-macos.x64-0.10.3.zip