Chagall Reference   Mask to new picture   12.5.93
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   With 'Mask to new picture' one can isolate 
   the mask of the current picture and display 
   it as a picture in its own right in a separate
   window. For this a new window will be opened
   automatically to which the mask will be
   transferred as a picture. At the same time 
   the mask will be removed from the source picture.


