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ECMA-427 2nd Edition

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Due by August 31, 2026
Last updated May 22, 2026

End of August is the deadline to submit changes for ECMA-427 (PURL) to Ecma for consideration by the General Assembly in December.
Expected changes include:

  • Add ABNF grammar
  • Update spec language to support base conformance tests to require canonical input
  • Add how-to-style documentation to Annexes
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