Documented that start() is silently ignored if running.
Documented that start() is silently ignored if running.
drstarry/springy,tigerleapgorge/springy,dabobert/springy,pingjiang/springy,pingjiang/springy,dhotson/springy,tigerleapgorge/springy,shigeruNakajima/springy,kidylee/springy,shigeruNakajima/springy,dhotson/springy,dabobert/springy,kidylee/springy