>> widths which are different less than or equal to 1% of the em size
>> are unified; this is certainly not noticeable visually.
>
> 1/64 is better heuristic than 1%. Why not avoid costly division with
> divide by 64 instead.
I doubt that it is `costly' since the routine is called exactly twice
*per font* (and not per glyph).
Personally, I think that the value 1% is easier to comprehend than the
value 1.5625% (to which a division by 64 is equivalent), so in this
case I prefer the human to the computer.
Werner
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