This file is indexed.

/usr/lib/R/site-library/rncl/INDEX is in r-cran-rncl 0.8.2-1.

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

The actual contents of the file can be viewed below.

1
2
read_nexus_phylo        Read phylogenetic trees from files
rncl                    rncl: An R interface to the NEXUS Class Library