(this time from the correct account) Philippe and others, http://www.unicode.org/reports/tr51/tr51-11.html#valid-emoji-tag-sequences <http://www.unicode.org/reports/tr51/tr51-11.html#valid-emoji-tag-sequences> refers to CLDR data for the list of valid subregion sequences, see http://unicode.org/reports/tr35/index.html#Validity <http://unicode.org/reports/tr35/index.html#Validity>
CLDR data will maintain stable sequences in the event that ISO 3166-2 data changes. - Peter E > On Mar 27, 2017, at 1:39 PM, Philippe Verdy <verd...@wanadoo.fr > <mailto:verd...@wanadoo.fr>> wrote: > > Note also that ISO3166-2 is far from being stable, and this could contradict > Unicode encoding stability: it would then be required to ensure this > stability by only allowing sequences that are effectively registered in > http://www.unicode.org/Public/emoji/5.0/emoji-sequences.txt > <http://www.unicode.org/Public/emoji/5.0/emoji-sequences.txt> (independantly > of the registration ins ISO3166-2), and nothing is said if ever ISO3166-2 > obsoletes some codes and then some years later decide to reassign these codes > to new entities: it should not be possible to do the same thing in Emoji > sequences, and specific assignments will need to be made in the Unicode > database. > > Note also that most rencetly created administrative divisions do not really > adopt any flag, but if flags are used they may be reusing flags from older > historic entities... or they could adopt only a logo (with legal protection, > not really suitable from encoding in the UCS as it won't be possible to > define any "representative glyph" without asking for permission to the > relevant authorities for displaying some design, possibly simplified) > > We still lack an encoding standard for vexillologists. And for now only > "Flags of the World" proposes some encoding (not based strictly and only on > ISO3166). I think that the UTC should try contacting authors of Flags of the > World and seek for advice there: we are speaking here about regional flags > (we can exclude some graphical variants such as civil vs. navy flags vs > honorific flags) > > > 2017-03-27 22:30 GMT+02:00 Philippe Verdy <verd...@wanadoo.fr > <mailto:verd...@wanadoo.fr>>: > > > 2017-03-27 21:17 GMT+02:00 Doug Ewell <d...@ewellic.org > <mailto:d...@ewellic.org>>: > announcements at Unicode dot org wrote: > > > — and new regional flags for England, Scotland, and Wales. > > It's not clear from this text, nor from the table in Section C.1.1 of > the draft, what the status is of flag emoji tag sequences other than the > three above. > > Right, we've got them encoded as [GBENG], [GBSCT] and [GBWLS], but the codes > used do not specify clearly about which region code standard they are > refering to. We just see that it's an ISO3166-1 country/territory code > followed directly (without separator) by sequences of letter/digits, all of > them converted to RIS and surrounded by a the same initial emeoji code and > the DEL from RIS. > > The problem is how to choose the codes for the letter/digits in the second > part, if they ever come from ISO3166-2 after dropping the hypen separator > (this is the case here, see https://en.wikipedia.org/wiki/ISO_3166-2:GB > <https://en.wikipedia.org/wiki/ISO_3166-2:GB>) or somewhere else. >
