In XMIR, atom object cannot have inner objects inside lambda object.
Incorrect:
<program>
<objects>
<o name="obj">
<o name="λ">
<o name="foo"/>
</o>
</o>
</objects>
</program>Correct:
<program>
<objects>
<o name="obj">
<o name="λ"/>
</o>
</objects>
</program>