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Control Sequences in Displayed Data

Control sequences cannot be embedded in the data that is displayed. If you do embed control codes (that is, ASCII codes less than 32) into the data, the character corresponding to that code is displayed. For example, displaying ASCII code 7 results in a diamond character being displayed instead of sounding the bell. (In some environments, such characters are replaced by a space.) All highlighting and cursor control must be done through the syntax provided.

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