Updating D beyond Unicode 2.0

[Kagamin]

On Friday, 21 September 2018 at 23:17:42 UTC, Seb wrote:
> A: Wait. Using emojis as identifiers is not a good idea?
> B: Yes.
> A: But the cool kids are doing it:
>
> https://codepen.io/andresgalante/pen/jbGqXj

It's not like we have a lot of good fonts (I know only one), and 
even fewer of them are suitable for code, and they can't be 
realistically expected to do everything, monospace fonts are even 
often ascii-only.