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Topic: Re: Seybold> PDF Validation (Via Email)
Conf: (P-PDF) PDF Conferences, Msg: 96444
From: LeonardR
Date: 9/15/2003 01:07 AM
At 9:51 PM +1000 9/14/03, p-pdf-conferences Listmanager wrote:
>The PDF file format specification defines a lot of additional
>functionality that goes well beyond the current capabilities of Acrobat,
>Distiller and Reader.
Not by much...
> For instance Reference XObjects have been around
>for a while but are not supported by any PDF product - creator or
>consumer (that I know of).
Actually, the FULL Acrobat has always supported them - it's
only Reader that doesn't due to its design goals for "nothing
external".
> The fact Acrobat acts as a defacto "PDF validator"
Acrobat doesn't do ANYTHING like PDF "validation"! It lets
LOTS of stuff that isn't valid PDF (according to the spec) through!
>means that entire chunks of potential PDF functionality are
>not (realistically) available for PDF plug-ins or PDF developers to
>leverage.
I'd like to hear a specific example of something you want to
use PDF for with Acrobat as the viewer that Acrobat won't let you
do...
>Does the PDF industry need a PDF validation tool that validates against
>the full PDF specification?
YES - but that's a different issue...
Leonard
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Leonard Rosenthol
Chief Technical Officer
PDF Sages, Inc. 215-629-3700 (voice)
215-629-0789 (fax)
