DFLAGS and DMD Windows

[Carl Sturtivant]

On Wednesday, 20 March 2024 at 22:53:13 UTC, Carl Sturtivant 
wrote:
> Is it me, or does the [DFLAGS environment 
> variable](https://dlang.org/dmd-windows.html#environment) have 
> no effect on DMD.
> ```
> dmd --version
> DMD64 D Compiler v2.107.0
> ```

Anyone?