Twin directories of tkdiff-4.1.3-unix:

[DIR]3  tkdiff-4.1.3.tar.gz/tkdiff-4.1.3-unix/
[DIR]3  tkdiff-4.1.3.tbz/tkdiff-4.1.3-unix/
[DIR]3  tkdiff_4.1.4-1_all.deb/tkdiff-4.1.3-unix/