One nitpick: IE6 does not generally treat text-indent as moving the background image. The fact that that technique worked in all the major browsers of the IE6 e

One nitpick: IE6 does not generally treat text-indent as moving the background image. The fact that that technique worked in all the major browsers of the IE6 era was one of the reasons it became the most popular image replacement mechanism in the first place. Are buttons an exception to this case?