Index: sources/gui/qml/components/RangeBar.qml
===================================================================
diff -u -r526fb054edbbeebdcce33ca630ae08ba04067fac -rdff9d50ebfa80ec99313586e1d48662b72940d24
--- sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision 526fb054edbbeebdcce33ca630ae08ba04067fac)
+++ sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision dff9d50ebfa80ec99313586e1d48662b72940d24)
@@ -31,6 +31,7 @@
     property int    upperBound  : 0
 
     property alias  rangebar    : _rangeRect
+    property alias  marker      : _rangeMarkerValue
 
     QtObject { id: _private
         property int  val           : isOutLower ? min : isOutUpper ? max : value