[Issue 22940] Underscore disallowed after decimal separator in floating point literals

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22940

moonlightsentinel at disroot.org changed:

           What    |Removed                     |Added
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          Component|dmd                         |dlang.org

--- Comment #2 from moonlightsentinel at disroot.org ---
Changing the component to the spec because this issue most likely isn't fixable
on the compiler side. `_0` is a valid identifier and hence would introduce an
ambiguity for `1._0L` (is it a double literal or UFCS call `_0(1)`?)

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