>> Latin capital letter A with diaeresis is 00C4. Not C4.
>
> Pay attention in maths, leading zeroes don't change a number.

they do, if it is not a number.

'00C4' + '0085' = '00C40085'

'C4' + '85' = 'C485'

'00C40085' != 'C485'


-- 
Tomas

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