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FR 5.3p5.2 [lex.charset] Codepoint names in identifiers

GitHub nbballot issue #423.


The XID_Start and XID_Continue properties that form the identifier grammar are extracted from Unicode. But character names are extracted from ISO 10646.

Because Unicode and ISO 10646 do not have the same release schedule, not all characters valid in identifiers can be spelled with the \N{} syntax.

This inconsistency could be avoided by referring to Unicode directly in the specification of the \N{} escape sequences.

Proposed change:

Please refer to Unicode consistently for all Unicode properties, using a consistent set of references pertaining to the same version of Unicode.

SG16 chair notes:

This comment is related to FR [Bibliography] Unify references to Unicode.

Candidate polls: