Variant sets

English (language) — Second-Level Reference Label Generation Rules, 25 October 2024

Code points grouped into sets of mutual variants. Every member of a set produces the same set of variant labels, so a registration of one has implications for all the others. Sets of a single member are omitted, as are the identity mappings RFC 7940 requires each member to declare.

• aä 2 members blockedfallback asymmetric conditional

  Source		Direction	Target		Disposition	Ref	Comment
  a	U+0061	⇆	ä	U+00E4	→ blocked ← fallback conditional		Spelling variant in English

  ↔ declared both ways ⇆ both ways, different disposition each way → one direction only

• eë 2 members blockedfallback asymmetric conditional

  Source		Direction	Target		Disposition	Ref	Comment
  e	U+0065	⇆	ë	U+00EB	→ blocked ← fallback conditional		Spelling variant in English

  ↔ declared both ways ⇆ both ways, different disposition each way → one direction only

• iï 2 members blockedfallback asymmetric conditional

  Source		Direction	Target		Disposition	Ref	Comment
  i	U+0069	⇆	ï	U+00EF	→ blocked ← fallback conditional		Spelling variant in English

  ↔ declared both ways ⇆ both ways, different disposition each way → one direction only

• oö 2 members blockedfallback asymmetric conditional

  Source		Direction	Target		Disposition	Ref	Comment
  o	U+006F	⇆	ö	U+00F6	→ blocked ← fallback conditional		Spelling variant in English

  ↔ declared both ways ⇆ both ways, different disposition each way → one direction only

• uü 2 members blockedfallback asymmetric conditional

  Source		Direction	Target		Disposition	Ref	Comment
  u	U+0075	⇆	ü	U+00FC	→ blocked ← fallback conditional		Spelling variant in English

  ↔ declared both ways ⇆ both ways, different disposition each way → one direction only

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