AddView:

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   Add view accelerators to a figure. 

   Snap to different frames as shown:
     x-y   CTRL+J
     y-x   CTRL+K
     x-z   CTRL+L
     y-z	  CTRL+M
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   Form:
   AddView( h )
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   ------
   Inputs
   ------
   h                (:)  Handle to the figure (optional, default is gcf)

   -------
   Outputs
   -------
   none

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