slider bug test

        uigroup [
            uifill 0.4 0.024 [ uioutline $c_line ; uiclamp- 1 1 1 1 ]
            uicolortext $sensitivity (? (|| uihover? uihold?) 0x98FFFFFF 0x60FFFFFF) 0.7
            uihslider sensitivity 1.0 10.0 0.1 [] [
                uifill 0.392 0.032
                uisliderbutton [ uiline 0xFFFFFF 0 0.032 ]
            ]
        ]