Thank you, I'd forgotten that name Comet. Wikipedia has some more info: https://en.wikipedia.org/wiki/Comet_(programming) https://en.wikipedia.org/wiki/Comet_(p

Thank you, I'd forgotten that name Comet. Wikipedia has some more info: https://en.wikipedia.org/wiki/Comet_(programming) https://en.wikipedia.org/wiki/Comet_(programming)