String Comparison for Identifiers

[michelf (Michel Fortin)]

It should probably be mentioned here that Jeremy just started a pitch for this.

Pitch: Unicode Equivalence for Swift Source

Unicode is Swifty... Swift claims to support Unicode source. Many languages aim to be encoding agnostic by only using ASCII in the grammar and not attempting to interpret anything beyond that in comments and string literals. But Swift has gone much further and defined its grammar in terms of Unicode. The formal definitions of identifiers and operators are each a screen full of Unicode scalar references and demonstrate clear and deliberate support for advanced Unicode concepts like combining cha…