This file is indexed.

/usr/lib/R/site-library/nnls/COPYRIGHTS is in r-cran-nnls 1.4-1build1.

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
src/nnls.f
  From the public domain source code distributed with the book 
  Lawson CL, Hanson RJ (1995). Solving Least Squares
  Problems. Classics in Applied Mathematics. SIAM, Philadelphia, and 
  downloaded from http://www.netlib.org/lawson-hanson/
src/nnnpls.f
  From the public domain source code distributed with the book 
  Lawson CL, Hanson RJ (1995). Solving Least Squares
  Problems. Classics in Applied Mathematics. SIAM, Philadelphia, and 
  downloaded from http://www.netlib.org/lawson-hanson/
  with trivial modifications to allow for non-positive constraints in 
  combination with non-negative constraints.