On May 10, 2010, at 9:19 AM, Gideon King wrote:

> From a conceptual point of view, my understanding of MVC means that a user 
> initiated action should be reflected in the model (text storage), which 
> should push it through to the view, which should mean that doing the changes 
> in the text storage "should" be OK…

The NSLayoutManager and associated classes are part of the model too. I think 
what’s happening is that those objects are seeing the text before it goes into 
your TextStorage, and interpreting the original attributes; while later on they 
pull the text out and see the altered attributes.

> The behavior I'm observing seems to clearly be a case of the view being out 
> of sync with the text storage, until you type something, and then it syncs up 
> again.

It’s the layout that’s out of sync, sounds like. The layout is part of the 
model and can be shared by multiple views.

—Jens_______________________________________________

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