> On 11.10.2022 19:55, Uwe Brauer wrote:

> I have just pushed a backend-agnostic implementation to master which
> should hopefully avoid all those problems at the cost of some runtime
> overhead (file copying and such).

> Please try it out whenever convenient.

This time I obtain an error I attach. I have to say that I am currently
using 7bf17ceee8c2d347917541e143ce25609e90ebbb, because the actual
master version gave me some error. With that version I could
successfully test your first 2 patches, but now it fails
I am puzzled

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