sync with TL 35779

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@5093 0b2b3880-5936-4365-a048-eb17d2e5a6bf
sync with TL 35779

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@5095 0b2b3880-5936-4365-a048-eb17d2e5a6bf