[ZeroAurora]

Although it is not OSI approved, the license theoretically didn't add any more restrictions beyond attribution, which stays in line with The Open Source Definition.

[lmc]

That's debateable. How about, e.g, "10. No provision of the license may be predicated on any [...] style of interface."

Anyway, if it was clear cut, it shouldn't be difficult to get it approved.

These kinds of discussions show why it's a pain to use non standard licenses.