table auto-flipping, undocumented 'feature' or bug?

```q
.p.eval["print"] t:([] a: 1 2; b: 1 2)
.p.eval["print"] flip t
```

both print:
```
{'a': array([1, 1]), 'b': array([2, 2])}
```

As far as I can tell, this isn't documented. It feels like a bug given `.j.j` behaves the way I'd expect:
```q
.j.j t
```
prints (with formatted quotes so it's readable):
```
'[{"a":1,"b":1},{"a":2,"b":2}]'
```