Chagall Reference   Drawing-pen           12.5.93
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   The 'Drawing-pen' is an opaque, evenly working,
   sharp-edged colour drawing tool that paints over 
   the background.

   If the maximum intensity has been chosen for the
   drawing-pen then the background will be covered 
   with the selected colour in one pass; otherwise 
   repeated application of the tool will be necessary 
   to achieve this.

