[Xerte] drawing stuff conundrum

[Dave Burnett]

<pg>
 <int>
  <rs> //onPress erase0 exit 0
    <text> //{icon.parentNode.index()}
    <scr>


User clicks on an object, the event is triggered and the text icon is displayed.
The scr draws a line on the text object the first time it is clicked. 
icon.previousSibling.clip().lineTo(end_x, end_y);

The second time it is clicked, the text persists but the drawn line disappears.

??
 		 	   		  
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