[tz] [PROPOSED] Rename internal identifiers to match RFC 8536

[Tony Finch]

Paul Eggert <eggert at cs.ucla.edu> wrote:
>
> The "GMTOFF"-to-"DSTOFF" change affects only comments

GMT replaced by STD or DST? Doesn't this name change imply a change of
sign? (not that the signs of POSIX timezone offsets are at all consistent
or sensible...)

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
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