[Cuis-dev] validating text input

[Mark Volkmann]

I'm looking for a way to validate input into a TextModelMorph. For example,
maybe I only want to allow certain characters to be typed or I want to
limit the number of characters that can be entered. I've looked through all
the methods in TextModelMorph and InnerTextMorph, but don't see an obvious
way to do this without creating new subclasses of one or both of those. Am
I overlooking something?

-- 
R. Mark Volkmann
Object Computing, Inc.
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