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fun main () = buf <- Buffer.create; let fun loop1 () = Buffer.write buf "A"; sleep 9; loop1 () fun loop2 () = Buffer.write buf "B"; sleep 9; error <xml>Darn</xml> loop2 () in return <xml><body onload={spawn (loop1 ()); loop2 ()}> <dyn signal={Buffer.render buf}/> </body></xml> end