Suggestions about separation and ISO code
eggert at CS.UCLA.EDU
Wed Nov 29 19:38:01 UTC 2006
"Jonas Melian" <jonas.esp at googlemail.com> writes:
> It contains a two-letter code which is recommended as the general
> purpose code, _a three-letter code which has better mnenomic
But that part of the TZ database is not intended for end-users. It is
intended for internal processing. So its mnemonic properties are not
I just now ran my host's time zone setup tool. (I'm running Debian
stable, a fairly old GNU/Linux distribution.) The tool gave me a map
of the world with cities and islands scattered over it, along with a
list of text time zone names like "America/La_Paz". Nowhere did it
use two-letter codes.
If my experience is typical, changing from two-letter codes to
three-letter codes would not help typical users. It would affect only
developers. But most developers, I think, would prefer two-letter
codes, even if were no cost to switching th three-letter codes.
They're more familiar with the two-letter codes, due to their
widespread use in Internet domain names.
There's a nonzero cost to switching. Existing software reads zone.tab
and iso3166.tab and expects these files to have a certain format. To
switch, we need a compelling technical reason. So far, I haven't seen
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