[poppler] Supporting PDF 1.6 UserUnit

[Brad Hards]

On Sat, 9 Jul 2005 18:15 pm, Brad Hards wrote:
> Until PDF 1.6, the universe was scaled to 72dpi.
>
> That isn't true anymore - there is now a per-page dictionary value that
> specifies the resolution. It is called UserUnit (see pg 122 of the spec).
>
> Now I don't have any PDF documents that use this, and I can't figure out
> how to make Acrobat 7.0.2 produce one. So maybe it isn't that widely used.
> However a quick scan of the poppler source tree suggests that this might
> not be a fairly widespread change, so maybe we should get to it soon?
might be, rather than might not be.
> Thoughts on this?
>
> Brad
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