Here is example of the bug with subexpressions build on version 2.0.0-alpha.2 http://jsfiddle.net/pmM4Z/6/
Here is example of the bug with subexpressions build on version 2.0.0-alpha.2
http://jsfiddle.net/pmM4Z/6/