Bug#1018206: luatex loses or changes text when discretionaries with priorities are used
found 1018206 texlive-binaries/2022.20220321.62855-1
thanks
I've just tested on my system, and the bug is still present in the Debian package with luatex 1.15.0 and indeed fixed in TeXLive 2023 upstream with luatex 1.17.0.
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