http://codereview.appspot.com/2213046/diff/1/src/com/google/caja/parser/quasi... File src/com/google/caja/parser/quasiliteral/ES53Rewriter.java (right): http://codereview.appspot.com/2213046/diff/1/src/com/google/caja/parser/quasi... src/com/google/caja/parser/quasiliteral/ES53Rewriter.java:778: "IMPORTS___.@fp ? IMPORTS___.@v : ___.ri(IMPORTS___, @vname)", Might it be better to use the substitutes= annotation itself using substV instead of Quasi.substV?
LGTM