[pdftex] PDF 1.5 by default in TL 2010

Ulrich Dirr ud at art-satz.de
Mon Jan 11 07:59:14 CET 2010

> (Sorry for the cross-posting.)
> For TL 2010, we would like to change the default PDF output version to
> PDF 1.5 (proposed by Elie Roux).  This is so we can use
> \pdfcompresslevel and generate noticeably smaller PDF's by default.
> If anyone knows of other reasons not to make the change, please speak up.

If you want to produce files that conform to ISO standards like PDF/X-3
(which is widely spread in printing industry) or PDF/X-1a (mainly for
archiving purposes) files in PDF 1.5 won't pass.

Best regards,

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