Twin directories of zsh-3.1.9:

[DIR]3  zsh-3.1.9-doc.tar.gz/usr/share/doc/zsh-3.1.9/
[DIR]3  zsh-3.1.9.tar.gz/zsh-3.1.9/

[DIR]3  zsh-3.1.9.tar.gz/zsh-3.1.9/
[DIR]3  zsh-3.1.9.tgz/zsh-3.1.9/