[swift-evolution] A path forward on rationalizing unicode identifiers and operators

[David Sweeris]

> On Oct 1, 2017, at 22:01, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
>> On Oct 1, 2017, at 9:26 PM, Kenny Leung via swift-evolution <swift-evolution at swift.org> wrote:
>> 
>> Hi All.
>> 
>> I’d like to help as well. I have fun with operators.
>> 
>> There is also the issue of code security with invisible unicode characters and characters that look exactly alike.
> 
> Unless there is a compelling reason to add them, I think we should ban invisible characters.  What is the harm of characters that look alike?

Especially if people want to use the character in question as both an identifier and an operator: We can make the character an identifier and its lookalike an operator (or the other way around).

- Dave Sweeris
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