[Issue 23544] Allow enum types be defined with semicolons

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23544

--- Comment #4 from Bolpat <qs.il.paperinik at gmail.com> ---
(In reply to anonymous4 from comment #1)
> This would be DIP.

What is that assertion based on?

DIPs are for additions of major language features or changes that require
deprecation.

An alternative syntax that is a pure addition does not warrant a DIP. It
definitely would if we were to remove the existing `enum` syntax instead, but
that’s not what I’m suggesting.

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