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

[Xiaodi Wu]

On Sat, Sep 30, 2017 at 18:59 David Sweeris <davesweeris at mac.com> wrote:

>
> On Sep 30, 2017, at 16:13, Xiaodi Wu via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> I’m happy to participate in the reshaping of the proposal. It would be
> nice to gather a group of people again to help drive it forward.
>
> That said, it’s unclear to me that superscript T is clearly an operator,
> any more than would be superscript H (Hermitian), superscript 2,
> superscript 3, etc. But at any rate, this would be discussion for the
> future workgroup.
>
>
> Superscript T’s only regular use that I’m aware of is as the transpose
> operator for vectors and matrices. I’m certainly not omniscient, though.
>

You don’t need to be omniscient: superscript T is part of the Unicode
Phonetic Extensions block—i.e., its existence is justified by use in some
phonetic spelling.


> Are we going to attempt to distinguish between characters like these two?
> ⁿ (SUPERSCRIPT LATIN SMALL LETTER N Unicode: U+207F, UTF-8: E2 81 BF)
> n (LATIN SMALL LETTER N Unicode: U+006E, UTF-8: 6E), with a superscript
> format applied
>
> - Dave Sweerisn
>
>
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