eed3si9n/scalaxb — Issue #95: unmarshalling choice trait generates two xsi:type attributes
Author: eed3si9n
Created: 2011-10-21 02:44:19+00:00
State: open

## steps
1. compile a schema with `xs:choice`.
2. store an option into the choice trait.
3. unmarshall it using `scalaxb.toXML[A]` where A is the trait.

## problems
The generated XML document contains two xsi:type attributes.

## expectation
one is enough.