This file is indexed.

/usr/share/racket/pkgs/profile-lib/HISTORY.txt is in racket-common 6.7-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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6.0
- samplers can now take snapshots of user-specified continuation marks
- added a mode to use errortrace continuation marks instead of marks
  from the runtime