>>>VFP has no '--' operator. It's valid arithmetic expression and result is correct.
>>>
>>>>* typo 3 => bad result (better a syntax error !)
>>>>? 10--2
>>
>>I was not referring to the result, or '--' operator, but the syntax.
>>
>>It is a valid arithmetic expression?
>>Depends on how you interpret the signs.
>>
>>I would prefer if every '--'.'-+','+-','++' I would return a syntax error.
>
>Your preferences versus a century or two of consensus on mathematical syntax. Try this in other languages - a minus (and in some cases, plus) between any other operator and an expression means just that the sign of the expression is inverted (or isn't).
>

I know.
But you know what they say ...
Errare humanum est, perseverare autem diabolicum

>This has never been wrong. It's just that people aren't used to it, because they let their maths rust. Now you do the psychology.