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Question: Cannot parse ':=' in a component field, is it protected?

Question:Cannot parse ':=' in a component field, is it protected?

Alexrazz 35 Maple
assignment
March 20 2017
1

Hey, I'm sitting with an extremely annoying problem. Basically, I want a "Mathematical Expression" component to include a definition of a variable, so I want it to say, for example, "h := 3", now, I can easily type this into the component field myself, and it all works great, but I want to manipulate the field with a button component. Every time I attempt it, it seems as if the ":=" symbol is protected, however I can write it myself without trouble.
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