functions:RCHAR

example

 Strings may be appended together using the append operator, //.
 Scalar values can also be appended to strings using the RCHAR
 function. For example, suppose A = -1.234, and T is a scalar text
 variable with T = ` units'.

 function                    result
 -----------------------------------------------------------------
 `A= '//RCHAR(A)//T          `A= -1.234 units'
 `A= '//RCHAR(A,`F4.1')//T   `A= -1.2 units'