#10771 NORM 11.2.0-: Paint undo functionality with clippings seems to often cause duplication

[Zarro Boogs per Child]

#10771: Paint undo functionality with clippings seems to often cause duplication
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 Reporter:  greenfeld                         |                 Owner:  godiard                          
     Type:  defect                            |                Status:  new                              
 Priority:  normal                            |             Milestone:  11.2.0-M3                        
Component:  paint/drawing-activity (oficina)  |               Version:  Development build as of this date
 Keywords:                                    |           Next_action:  diagnose                         
 Verified:  0                                 |   Deployment_affected:                                   
Blockedby:                                    |              Blocking:                                   
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 1. Start a new, clean instance of Paint.
  2. Draw something that's fairly decent in size with the pencil, brush,
 etc. {doesn't have to be large, but you have to know what it looks like}
  3. Use the Select Area control on the Tools panel on part of this area to
 select part of the painting.
  4. Move the mouse over the area to get the moving icon, hold the mouse
 button down and drag to move the section.  Release the mouse Note it
 leaves whitespace behind.
  5. Panic! Go to the Edit toolbar and click Undo.  Nothing visibly
 happens!
  6. Move the mouse over the clipping and click-drag it again.  Suddenly
 the screen updates and the area where the clipping was is restored.  But
 you still have a clipping of that data onscreen as well.  If there is an
 easy way to get rid of it and save the data underneath it, I have not
 personally spotted it yet.

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Ticket URL: <http://dev.laptop.org/ticket/10771>
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