/usr/share/texmf/multex/latex/base/jpmjp.fd is in multex-base 1.0-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | \DeclareFontFamily{JP}{mjp}{}
\DeclareFontShape{JP}{mjp}{m}{n}
{ <5> <6> <7> <8> <9> <10> <12>
<10.95><14.4><17.28><20.74><24.88>jp10}{}
\DeclareFontShape{JP}{mjp}{bx}{n}
{ <5> <6> <7> <8> <9> <10> <12>
<10.95><14.4><17.28><20.74><24.88>jpb10}{}
|