Merge pull request #1073 from xushiwei/t

_demo: hello

_demo/hello/hello.go

@@ -11,7 +11,3 @@ func main() {
 	fmt.Println("hello world by fmt.Println")
 	c.Printf(c.Str("Hello world by c.Printf\n"))
 }
-
-/* Expected output:
-Hello world
-*/