     if @state.loading
       markingSurfaceContent = <LoadingIndicator />
     else
-      markingSurfaceContent =  
+      markingSurfaceContent =
         <svg
           className = "subject-viewer-svg"
           width = {@state.imageWidth}

    marks = @state.marks
    for mark, i in [ marks...]
      if mark.key is key
        marks.splice(i,1) # delete marks[key]    
    @setState
      marks: marks
      selectedMark: null, =>

      clickOffset:
        x: mark.x - ex
        y: mark.y - ey
      # , => @forceUpdate()

  render: ->
    # console.log 'render()'
