I'm guessing the latter is intended to help you add more conditions. Switch "if foo?" to "if true and (foo?)", which has the same meaning, then replace the "tru

I'm guessing the latter is intended to help you add more conditions. Switch "if foo?" to "if true and (foo?)", which has the same meaning, then replace the "true" to get "if bar? and (foo?)". Seems unlikely to save much time in the long run, but there you have it.