Adding a new locale to CLDR

If you are just adding a new country locale (eg we have a locale for the language), you just need to add the new empty locale file, and Update Survey Tool. Otherwise:

Minimal Structure

Before adding a new locale, you must have the core data: see Core Data for New Locales for the process.

Here is an example: https://github.com/unicode-org/cldr/pull/59/files

Add Data in SVN (TODO: Update for Git)

  • Before starting to add a new locale, make sure you have the minimal core data that cannot be added through the Survey Tool. See above.
  • Create the new locale files.  If you are adding a single new language locale, for example, language "xx" as spoken in country "YY", you will need two files:
    • common/main/xx.xml - The main locale file containing the core data.  You can use the template in seed/main/und.xml as a starting point.
    • common/main/xx_YY.xml - An empty country locale containing the identification of xx_YY as a valid locale.  You can use the template in seed/main/und_XX.xml as a starting point.
    • See files are here: http://www.unicode.org/repos/cldr/trunk/seed/main/
  • Add the plural rules (if available) to common/supplemental/plurals.xml 
  • Add the day period rules (if you have them ) to common/supplemental/dayPeriods.xml 
  • If you are adding a new language
    • Add the language subtag to <variable id="$language" type="choice"> in 
      /common/supplemental/attributeValueValidity.xml
    • add the appropriate default content locale
      to <defaultContent locales="..."> in common/supplemental/supplementalMetadata.xml
      The default content locale is usually the locale where the most people speak the language in question.
    • If the language is not already in common/supplemental/likelySubtags.xml
      • Send the literate pop information to Rick, or file a bug, if the language is not already in the supplemental data.
      • Once he has added, run the tool in LikelySubtags and Default Content to add the new language and its associated subtags to common/supplemental/likelySubtags.xml
    • Also add the English translation for any new languages in common/main/en.xml
  • If requested, add to vendor targets (Locale.txt), and to Cldr where resources are committed.
  • Run the tests.
  • Commit all of your work

Update Survey Tool

Update the data and restart Survey Tool (Steven, Rick, Mark, or John can do this if you don't have access).
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