XML - Implied Attribute Access Not Working In Royale

In Flex

```

;
myXml.attribute("a")[0] = "2";
trace(myXml.toXMLString());
}

]]>

```

Traces

``

But in Royale

```

;
myXml.attribute("a")[0] = "2";
trace(myXml.toXMLString());
}

]]>

```

Outputs

``

No repository file, test, or entry point is named. First reproduce the Royale example and compare its XML attribute assignment with the Flex behavior, then trace the XML attribute access implementation. Done means the sample changes the attribute from 1 to 2 and the relevant regression coverage passes.

Written by the indexing model from the issue text.