I'm fine with this, but I wonder: will we ever have more opinion or
information than we have now? Can we just survey what e.g. ES6
does and copy them?


On Thu, Nov 21, 2013 at 08:53:52PM -0800, Patrick Walton wrote:
> There are several issues in the backwards-compatible milestone
> related to Unicode identifiers:
> 
> #4928: XID_Start/XID_Continue might not be correct
> #2253: Do NKFC normalization in lexer
> 
> Given the extreme lack of use of Unicode identifiers and the fact
> that we have much more pressing issues for 1.0, I propose putting
> support for identifiers that don't match
> /^(?:[A-Za-z][A-Za-z0-9]*|_[A-Za-z0-9]+)$/ behind a feature gate.
> 
> Thoughts?
> 
> Patrick
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