Bulletin number: 257
Products affected: D700E
Description: Null type conversions spuriously rejected as invalid 
Component: THE COMPILER UTILITY SET 
Date: Tue May 15 17:00:00 GMT 1990
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If num is a negative number an abbreviation of the form: 
VAL INT b IS INT num will generate a spurious error message saying that 
num is not a valid integer. Similar problems arise for null conversions of
values of types INT16 and INT32 .