[pdftex] Acrobat 5.0 / consequences for pdftex

[Sebastian Rahtz]

=?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

sebastian