Thanks. That works.

Could you write a little bit about the underlying cause of this just
so I can understand better?

On Wed, Aug 12, 2020 at 3:59 PM Jo-Philipp Wich <[email protected]> wrote:
>
> Hi,
>
> as already implied by Dirk, you need to use bracket notation for labels that
> are not valid variable identifiers.
>
> So instead of `@.foo-bar` use `@["foo-bar"]`.
>
> ~ Jo
>
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