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Hi Michael, > Hmmm...doesn't seem to work...gives me a compile error. Odd though...it > knows the %len and the %decpos of variable a at compile time. %len() is an actual function that gets run at runtime. I believe that the reason for this is that you can put variable-length data in it. For example, %len(%trimr(foo))... this can't be done at compile time because the length of a trimmed string depends on it's contents, which obviously can change at runtime. But, by assigning %len() to a named constant, that forces it to be a constant number that's known at compile time. that's why my example works...
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