Character all in uppercase- CU

- Instruction: CU - Parameter: none - Return: true if all characters in the text are uppercase - Description: Returns true if all characters in the text string are uppercase. This control is independent of the state of the upper/lower case box. - Examples: Text string: biblos Braille string: 456 Condition: CU Xc Description: The word "biblos" is transcribed with cell "456" if all its letters are uppercase. In addition, the uppercase word prefix is excluded.