isPropertyEnumerable is going to stay broken?

[Garrett Smith]

https://bugzilla.mozilla.org/show_bug.cgi?id=57048

In this bug, dated 2000, Brendan and David agreed that
isPropertyEnumerable should check the prototype chain.

It should not backwards compatibility, but such functionality in the
language seems necessary. How to check enumerable attribute, including
the prototype chain?

http://wiki.ecmascript.org/doku.php?id=spec:chapter_19_native_objects#object_objects

Garrett

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Programming is a collaborative art.