答案1
经过一些测试后,我意识到有问题的字距调整是在“L”和撇号之间(我也稍微修正了“T”):
\directlua{fonts.handlers.otf.addfeature
{
name = "kern",
type = "kern",
data = {
["L"] = { ["quoteright"] = 300 },
["T"] = { ["quoteright"] = 100 },
},
}
}