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−.. -*- coding: utf-8; -*-
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−
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−=====================
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− Standards for codes
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−=====================
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−.. contents::
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−   :local:
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−
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−Currency codes
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−==============
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−
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−ISO 4217 defines codes with 3 latin letters.
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−
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−http://www.currency-iso.org/en/home/tables/table-a1.html
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−  Official list of currency codes.
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−https://en.wikipedia.org/wiki/ISO_4217
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−  Wikipedia article.
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−
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−Country codes
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−=============
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−
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−ISO 3166-1 defines 2 letter and 3 letter codes:
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−
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−* A two-letter (ISO 3166-1 alpha-2).
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−* A three-letter (ISO 3166-1 alpha-3).
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−* A three-digit numeric (ISO 3166-1 numeric) code.
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−
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−http://www.iso.org/iso/country_codes.htm
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−  Official page.
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−https://en.wikipedia.org/wiki/ISO_3166-1
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−  Wikipedia article.
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−https://en.wikipedia.org/wiki/Country_code
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−  Wikipedia article.
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−
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−Language codes
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−==============
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−
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−ISO 639 defines several 2 and 3 letter codes for languages.
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−
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−https://en.wikipedia.org/wiki/ISO_639
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−  Wikipedia article.
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−https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
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−  Wikipedia article.
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−