Hi,

> It occurred to me that caching textHeight in measure and using it in
> updateDisplayList is a questionable practice.  Someone could forcibly
> resize the Alert in which case measure() would not be called again and
> updateDL would use a stale value, so I don't think the proposed patch is
> going to be an improvement in all cases.

JFYI Resizing an Alert currently doesn't work either. There no many use case to 
wanting to resize a After after it been created.

Justin

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