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Developing a standard for localizable message strings
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meetings Update Jan 21, 2020 Update Jan 14, 2020 Rename to Dec 17, 2019

MessageFormat Working Group

Welcome to the home page for the MessageFormat Working Group, a subgroup of the Unicode CLDR-TC.


The Message Format Working Group (MFWG) is tasked with developing an industry standard for the representation of localizable message strings to be a successor to ICU MessageFormat. MFWG will recommend how to remove redundancies, make the syntax more usable, and support more complex features, such as gender, inflections, and speech. MFWG will also consider the integration of the new standard with programming environments, including, but not limited to, ICU, DOM, and ECMAScript, and with localization platform interchange. The output of MFWG will be a specification for the new syntax, which is expected to be on track to become a Unicode Technical Standard.


We are open to professionals in the i18n/l10n industry to participate in our working group! To join:

  1. Apply to join our mailing list
  2. Watch this repository (use the "Watch" button in the upper right corner)
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