[pdftex] Acrobat 5.0 / consequences for pdftex

[Hans Hagen]

At 02:29 PM 4/9/01 +0100, you wrote:
>=?iso-8859-1?Q?Martin_Schr=F6der?= writes:
> > On 2001-04-09 14:14:32 +0100, Sebastian Rahtz wrote:
> > > the obvious question is, how much of the Acrobat5 features can pdftex
> > > support while keeping the PDF files readable by Acrobat3? Is it all
> > > hidden in extra keys which old readers will ignore?
> > 
> > Could be. But older readers will choke once they see the PDF1.4
> > in the header. Or you use the versioning feature and produce 1.3
> > with additional 1.4 objects. Don't know what 1.3-viewers will do
> > with this...
>
>sigh. i was hoping it would be possible to avoid using a \pdfversion=1.4 
>primitive. probably not

you can combine it with a catalog entry, but since there are only 1.4 specs
and no 5.0 viewers for us to test we cannot check it

Hans
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