[tz] [PATCH 2/3] Replace some zones with links when that doesn't lose non-LMT info.

[Zefram]

Paul Eggert wrote:
>The tz data have long been maintained trying to fix
>stuff like this when I find it.  In several places
>I've corrected Shanks data when I think it's bogus,

Your recent discussion of Shanks's methodology and quality, and how to
deal with it, has been most enlightening.  I think it would be useful for
you to put these notes into the distributed files, either as a section
in Theory or as a new Sources file.

-zefram