Origin for each line in example/lib/hello/pkgIndex.tcl from check-in 0a9369ff13:
0a9369ff13 2019-05-02 1: package ifneeded hello 0 [list source [file join $dir hello.tcl]]
0a9369ff13 2019-05-02 1: package ifneeded hello 0 [list source [file join $dir hello.tcl]]