Updating Align Left/Center/etc. for NSTextView

[David Dunham]

> most of the time the selection's paragraph is of  
> NSNaturalTextAlignment. So how do I determine the "default  
> alignment for script?"

This part at least I figured out -- I'd imported some of the text,  
and used [NSParagraphStyle defaultParagraphStyle]. This uses  
NSNaturalTextAlignment. In my case it's probably better to be explicit.

David Dunham     A Sharp, LLC
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