[tz] Etc/GMT+nn and Etc/GMT-nn not working since zic 2021d

[Peter Krefting]

Paul Eggert:

> Thanks for reporting that. I finally found the time to look into this, and 
> the problem is more serious than I thought in my first casual look in March. 
> It means one cannot reliably use zic's -r option to specify a low boundary. 
> Please try the first attached patch. Something like it should appear in the 
> next TZDB release.

This patch does indeed fix the problem for me. Thank you!

-- 
\\// Peter - http://www.softwolves.pp.se/