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  1. JDK
  2. JDK-8189134

New system properties for the default Locale extensions

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Details

    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • None
    • 10
    • core-libs
    • None
    • b36
    • generic
    • generic

    Description

      In order to specify the default Unicode Locale extensions (JEP JDK-8177568), there should be following (internal) system properties for the java launcher command line option "-D"

      - user.extensions
      - user.extensions.display
      - user.extensions.format

      The value for these properties should take the form of BCP47's "extension" (https://tools.ietf.org/html/bcp47):

      ---
      extension = singleton 1*("-" (2*8alphanum))

                                           ; Single alphanumerics
                                           ; "x" reserved for private use
       singleton = DIGIT ; 0 - 9
                     / %x41-57 ; A - W
                     / %x59-5A ; Y - Z
                     / %x61-77 ; a - w
                     / %x79-7A ; y - z
      ---

      e.g. "u-ca-japanese" or "u-cu-jpy-nu-thai"

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              naoto Naoto Sato
              naoto Naoto Sato
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                Updated:
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