[Toybox] Would someone please explain what bash is doing here?

[Rob Landley]

On 5/27/20 2:31 PM, enh wrote:
>> Do they have a regression test suite? I'd love to harvest test cases...
>>
>> Yes they do, and it has a README. Hmmm...
> 
> (remember that mksh has a pretty extensive test suite too.)

I'm happy to look at other shells' test suites for tests that _bash_ passes. But
probably not until I'm ready to promote my shell and am just wondering what I
missed. :)

Rob