2009/2/9 Antoine Junod <t...@tots-ns.net>:
>> A5 paper has not the exactly the half size as A4 paper.
>>
>> A4 has a height of 297mm and A5 a width of 148mm.
>>
>> 297 - 2 * 148 = 1mm (the gap on the left side).
>
> God. I always thought it was exactly one half of A4. Thanks for the
> info.

ISO 216 paper sizes are always rounded to full millimeters.

http://en.wikipedia.org/wiki/ISO_A4

Best
   Martin
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