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It is defined as a numeric field, not a text field. The "problem" is
that
the minus or plus sign appear to get stripped out immediately - the
exfmt is
performed and the next operation in debug shows the value without the
plus
or minus. All other character values do cause an error (input
inhibited),
so the user is forced to reenter the weight.

Have a look at the DDS reference manual, taking note of Data type/Keyboard
shift for Display files (Position 35). Options there include D (Digits
only), M (Numeric only character), et cetera, and are discussed clearly.

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"If I were two-faced, would I be wearing this one?"
-- Abraham Lincoln




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