// the first error and then (+n more errors).
			// Instead, turn it into a new Error that will return
			// details for all the errors.
			for _, e := range list {
				fmt.Fprintln(os.Stderr, e)
			}
			os.Exit(2)
		}
		fatalf("parsing %s: %s", name, err)
	}
	return ast1
}

func sourceLine(n ast.Node) int {
	return fset.Position(n.Pos()).Line
}

pkg fmt, func Printf(string, ...interface{}) (int, error)
pkg fmt, func Println(...interface{}) (int, error)
pkg fmt, func Scan(...interface{}) (int, error)
pkg fmt, func Scanf(string, ...interface{}) (int, error)
pkg fmt, func Scanln(...interface{}) (int, error)
pkg fmt, func Sprint(...interface{}) string
pkg fmt, func Sprintf(string, ...interface{}) string
pkg fmt, func Sprintln(...interface{}) string