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/usr/share/doc/texlive-doc/luatex/luatextra/ is in texlive-luatex 2009-15.

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File Mime Type Owner Mode Size
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/usr/share/doc/texlive-doc/luatex/luatextra/README root:root 0o777
/usr/share/doc/texlive-doc/luatex/luatextra/luaextra.pdf root:root 0o777
/usr/share/doc/texlive-doc/luatex/luatextra/luamcallbacks-test.tex root:root 0o777
/usr/share/doc/texlive-doc/luatex/luatextra/luamcallbacks.pdf root:root 0o777
/usr/share/doc/texlive-doc/luatex/luatextra/luatextra-reference.pdf root:root 0o777
/usr/share/doc/texlive-doc/luatex/luatextra/luatextra.pdf root:root 0o777