On Tue, Jul 31, 2012 at 01:32:31PM +0200, Zdenek Wagner wrote: > 2012/7/31 Martin Schröder <mar...@oneiros.de>: > >> For very good reason! "\pdfminorversion" is not only some monadic number, > >> it's also a guarantee that this document conforms to a particular standard. > > > > Not really. In pdfTeX the version enables certain features (object > > streams, png inclusion). > > But no guarantee is made for included pdfs: At most you will get a > > warning in stderr > > (if you include a higher pdf version than the main document). > > > That's what I mean. If an author of a TeX document knows that the PDF > must be in version 1.3, then for pdftex it can be set by > \pdfminorversion=3 and pdftex will not only set this number in the > header but disable certain features not allowed in v.1.3. If the same > should be done in XeTeX, there is no way how to do it from the TeX > source code, it is necessary (for someone who fill prepare PDF, > possibly not the author) to read the whole source text and look, > whether there is a comment that specifies output as PDF 1.3, and if > so, call xdvipdfmx with -V 3. Thus the source text cannot contain > machine readable instructions for its processing. It would be better > if the same information as "-V 3" could also be sent via a special.
I think it is possible to have a primitive that just passes the value to xdvipdfmx, shouldn't be hard, and if someone comes with a patch I'll gladly apply it. Regards, Khaled -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
