tree ed0d80fb4312109065c66470119165e044ad2a2a
parent d38e26d324a935df3af83c3da9e83797b2cb335f
author Behdad Esfahbod <behdad@behdad.org> 1558979546 -0400
committer Behdad Esfahbod <behdad@behdad.org> 1558979546 -0400

[subset] Skip out-of-range class values in mark attachment

Fixes https://github.com/fonttools/fonttools/issues/1478