The Instruction operation "upper" returns all the input values within the operation as uppercase. This operation is also the inverse of operation "lower".
In the example below the first three characters of the word operation are in lowercase and will be returned as uppercase.
<instruction operation="upper"> <input value="opeRATION UPPER" /> </instruction>
In the example below we have two inputs the first one in uppercase and the second in lowercase, both will be output consecutively as uppercase.
<instruction operation="upper"> <input value="OPERATION UPPER, " /> <input value="returns uppercase" /> </instruction>
OPERATION UPPER, RETURNS UPPERCASE