[pdftex] PDF 1.7

[Victor Ivrii]

On 12/13/06, James Quirk <jjq at galcit.caltech.edu> wrote:
> On Wed, 13 Dec 2006, Victor Ivrii wrote:
>
> > On 12/13/06, Martin Schröder <martin at oneiros.de> wrote:
> > > The new PDF Reference...
> > >
> > > http://www.adobe.com/devnet/pdf/pdf_reference.html
> >
> > Now in color (look at Color Plates section which explains the size
> > grown to 31 MB)
> My copy of PDFReference16.pdf has the same color plates as the new
> pdf_reference.pdf, yet it is only 9.1 MBytes. So I don't think the color
> plates are responsible for the bloating. But what I've noticed is that
> PDFReference16.pdf employs PDF1.5, with compressed stream objects, while
> the new pdf_reference.pdf has reverted back to PDF1.4. Therefore I'm
> guessing that it's the absence of stream objects in PDF1.4 that accounts
> for the dramatic increase in file size. Any ideas as to why Adobe reverted
> back to PDF1.4 for their new document?
>

Two documents released with it Errata and Addendum are PDF1.6.
> James
>


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Victor Ivrii, Department of Mathematics, University of Toronto
http://www.math.toronto.edu/ivrii