button={ name=QUIT action=QUIT }
slider={ name=val1 min=0 max=100 width=200 
  format="%.0f" action="PRINT $val" }
slider={ name=val2 min=0 max=100 width=200 
  format="%.0f" action="PRINT $val" }
button={ label=testme name=testme
     test={ condition=" test $val1 -eq $val2 "
            true={ action="PRINT values are equal \n" 
		   action="SET testme background green"
		 }
            false={ action="PRINT values are not equal \n" 
		   action="SET testme background red"
		  }
     }
}
