LGTM
http://codereview.appspot.com/109100/diff/1/4 File tests/com/google/caja/plugin/templates/JsConcatenatorTest.java (right): http://codereview.appspot.com/109100/diff/1/4#newcode85 Line 85: "new Date(year, month, day)"); Maybe also test "+ new Date", which returns a number. http://codereview.appspot.com/109100
