[XeTeX] c.t.t. post re: \mag

[Will Robertson]

On 20/02/2008, at 1:16 AM, Bruno Voisin wrote:

> However, owing to some design decisions of the pdfTeX developers (see
> the explanations by Hartmut Henkel at <http://tug.org/pipermail/macostex-archives/2004-December/012146.html
>> ), the fact that these are true units is not taken into account when
> building the pdfTeX format. I found it confusing when first meeting
> this behaviour in 2004, and still find it confusing now.

There was some discussion on c.t.t. a while back about this:
   <http://groups.google.com/group/comp.text.tex/browse_frm/thread/db780edfaae6950e/ 
 >

Non-zero offset makes \mag very unintuitive, from what I can  
understand. The pdftex developers were trying to make sense of how to  
reconcile the coordinate system of the pdf page vs the coordinate  
system of the TeX page.

But since I don't play with \mag or \offset very often, I didn't pay  
much attention :)

Will


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