Crystalline polymorphous forms of the rifaximin antibiotic named rifaximin \u03b1 and rifaximin \u03b2, and a poorly crystalline form named rifaximin \u03b3 have been discovered. A drive transmission operably interconnecting the slider and a digital encoder so that movement of the slider produces a digital output signal from the digital encoder. The method also includes forming shallow trench isolations in the diode array region and in the peripheral region along a second line direction. The offset distance between the flange of the attachment portion of the mounting member and the primed portion of the inner surface of the glass sheet is greater than 0. In at least some embodiments, services can be integrated with legacy applications that are \u201cunaware\u201d of such services, as well as applications that are aware of such services.