/usr/share/acl2-7.2dfsg/books/demos/gl-and-use-example.acl2 is in acl2-books-source 7.2dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | (include-book "centaur/gl/gl" :dir :system)
(certify-book "gl-and-use-example" ?)
|