/usr/share/texmf/multex/latex/base/ is in multex-base 1.0-1.1.
This file is owned by root:root, with mode 0o755.
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/usr/share/texmf/multex/latex/base/bvfonttext.ltx
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/usr/share/texmf/multex/latex/base/bvimbv.fd
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