/usr/lib/tcltk/tnc0.3.0/pkgIndex.tcl is in tdom 0.8.3-1.
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 | # tnc Tcl package index file
package ifneeded tnc 0.3.0 \
"package require tdom; \
[list load [file join $dir libtnc0.3.0.so] tnc]"
|