it appears that essentially everyone uses the xz distributions. If this really is the case, then I would ask why are we spending the disk space, effort, bandwidth, and complexity preparing the bzips. I stayed quite in this discusion so far, but I am one of the people still using bz2 rather than xz. Why? Because I use a fairly old Linux distro and my GUI tool for working with archives does not recognize xz format. I'll live without bz2, but my life will be less comfortable.
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