Did you tell V that it needs to re-load it’s display?  There is a method on 
NSView (from which NSTextView is derived) called “needsDisplay(sic)” which sets 
a flag on the view so that the view will re-draw its content the next display 
cycle.  So, after you set the content to T2, you need to call 
“V.needsDisplay()” so that the next display cycle the view gets refreshed.  
Need to check the spelling of the method.

Jonathan
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