The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Typed Variable Not Allowed in Expression
Variables that are user-defined types are not permitted in
expressions such as
CALL Alpha((X))
where X is a user-defined type. You can pass elements of
user-defined types as arguments. For example
CALL Alpha((X.FirstEl))