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Re: Plagued by PPTX again

2011-11-28 15:22:36
Hi John,

On 2011-11-28 21:50 John C Klensin said the following:


--On Monday, November 28, 2011 21:42 +0100 Henrik Levkowetz
<henrik(_at_)levkowetz(_dot_)com> wrote:

One small suggestion, partially prompted by my attempts to
convert PDF and Postscript RFCs to PDF/A: when the converter
cannot or does not succeed in producing valid PDF/A, could
that fact be logged in some accessible place?

I would if I could; the problem is that the converter produces
a pdf document without giving any indication that the result
won't validate as PDF/A

That is what I believe is called "broken".  I hope someone can
make a problem report.

Yes.  I suspect the authors of the software aren't aware of the
problem.  Robinson Tryon has now filed a ticket with LibreOffice
about it, though; and I've provided him with another sample which
fails validation.

-- it's only when trying it with one
of the online validators that I get a message that it fails
validation.  If at some point I find a (free) command-line
validator, I can however easily run it on the existing corpus
and get the desired information.

If the best (or only) way to handle this is via pos-production
validation, then we can presumably do that at any time... and
validators will probably get better over time too.  

Ack.

Suggestion withdrawn. 

thanks for considering it.

Certainly!

Also, mostly out of curiosity, does "unoconv" produce profile
1a or profile 1b?

The validator tells me that the files which validate does so
against both A-1a and A-1b, which if I understand things
correctly indicate that it's 1a-compliant, since 1b is a
subset of 1a.  This also matches what libreoffice is supposed
to produce.

Yes.  Without going down that rathole, I think (haven't studied
the issue closely enough to be confident) A-1b would be good
enough for our purposes so it may be vaguely possible that the
files actually are 1b-conformant.  Not worth worrying about
until and unless we are ready to get really serious about this,
establish specific norms, etc.    I don't see that happening
really soon despite the recent discussions.

You may be right.


Best regards,

        Henrik

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