<tt>
Character all in uppercase: CU
</tt>

<ms>
- 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.
</ms>

<rl>
</rl>

<ck>
01UOBAJXDDNPFC
</ck>

<in>
0 0
</in>
