On 2017/10/04 15:55, Eric Wong wrote:
> Oops, not intentional.  On the other hand, does it hurt?

I don't think it hurtful, not sure if it is useful though.

```
$ ./ruby -v -e 'p File.setuid?(STDIN)' < /usr/bin/at
ruby 2.5.0dev (2017-10-04 trunk 60116) [x86_64-darwin15]
true
```

> I can write tests + NEWS entry for accidental new feature :)

And rdoc?

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