once we've expanded += into a + on the rhs, make sure to replace += with =.  fixes all the pirouette animation demos
once we've expanded += into a + on the rhs, make sure to replace += with =.  fixes all the pirouette animation demos

carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,toshok/echojs,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,toshok/echojs,toshok/echojs,toshok/echojs,carlosalberto/echo-js