/usr/share/doc/clisp/MAGIC.add is in clisp-doc 1:2.49.20170913-4build1.
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 | # Information for the file(1) command.
# Add this to your /etc/magic or /usr/lib/magic or /usr/share/magic
# or /usr/share/misc/magic file.
0 string (|SYSTEM|::|VERSION|\040' CLISP byte-compiled Lisp program text
0 long 0x70768BD2 CLISP memory image data
0 long 0xD28B7670 CLISP memory image data, other endian
|