This file is indexed.

/usr/lib/R/site-library/scatterplot3d/NAMESPACE is in r-cran-scatterplot3d 0.3-40-2.

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

The actual contents of the file can be viewed below.

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importFrom("grDevices", "rgb", "xyz.coords")
importFrom("graphics", "lines", "mtext", "par", "plot.new", "plot.window", "points", "polygon", "segments", "strwidth", "text", "title", "strheight")
importFrom("stats", "coef")
export(scatterplot3d)