/usr/share/entity-map/0.1.0/ISOdia.2tr is in linuxdoc-tools 0.9.71-2.
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 8 9 10 11 12 13 14 | [acute ]
[breve ]
[caron ]
[cedil ]
[circ ] ^
[dblac ]
[die ]
[dot ] \(md
[grave ] \'
[macr ]
[ogon ]
[ring ]
[tilde ] ~
[uml ]
|