[tex-live] PDF/A-1b compliancy with (pdf,lua)TeX

[Reinhard Kotucha]

On 2013-12-28 at 04:57:54 -0500, Victor Ivrii wrote:

 > On Thu, Dec 19, 2013 at 10:32 PM, Victor Ivrii <vivrii at gmail.com> wrote:
 > 
 > >
 > > After patches were applied typesetting ran smoothly. pdfx  needs to be
 > > loaded after hyperrref
 > >
 > > Victor
 > >
 > 
 > 
 > 
 > I suspect that this mailing list is not an proper place to discuss this
 > issue (pdftex seems to be more appropriate) but since it started hereÉ
 > 
 > 
 > With pdfx loaded after hyperref it seems that pdfx happily overwrites
 > almost everything in settings:
 > 
 > 1) with these options
 > 
 > \pdfminorversion=6
 > \pdfobjcompresslevel=3
 > \pdfcompresslevel=9
 > 
 > 
 > %\usepackage[a-1b]{pdfx}
 > 
 > 
 > test document (2600+ pp) is ~14 MB; the same with
 > 
 > 
 > %\pdfminorversion=6
 > %\pdfobjcompresslevel=3
 > %\pdfcompresslevel=9
 > 
 > 
 > %\usepackage[a-1b]{pdfx}
 > 
 >  but with
 > 
 > \usepackage[a-1b]{pdfx}
 > 
 > it bloats to ~20 MB. Where all these 6 MB go?
 > 
 > 2) Compare  document properties: without pdfx they are
 > 
 > Application: LaTeX with hyperref package
 > PDF Producer: pdfTeX 1.40.14
 > PDF version: 1.5 (Acrobat 6.x) or PDF version 1.6 (Acrobat 7.x)--with
 > \pdfminorversion=6 off or on respectively
 > File Size 13.51 MB
 > 
 > but with pdfx
 > 
 > Application: pdfTeX
 > PDF Producer: pdfTeX
 > PDF version: 1.4 (Acrobat 5.x)
 > File Size 20.23 MB

Dear Victor,
the PDF/A-1b standard supports PDF-1.4 only and thus object stream
compression is not permitted.  It seems that the pdfx package does
the right thing.

The PDF/A-2 and PDF/A-3 standards are less restrictive.

Regards,
  Reinhard

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