subtraction is giving me a syntax error

[Vito 'ZeD' De Tullio]

Grant Edwards wrote:

>> As for not being able to see the difference between a hyphen and an
>> EN- dash, or minus sign, or whatever it is, yes but they are very
>> similar looking glyphs in virtually ever modern font. It would take a
>> good eye to see the difference between (say) ??? ??? and -.
> 
> My point is that if it's an ASCII file,

source files aren't (necessary) ASCII files

-- 
By ZeD