PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU later version

Paul Birkel pbirkel at gmail.com
Sun Feb 19 10:16:20 CST 2017

-----Original Message-----
From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Mouse
Sent: Sunday, February 19, 2017 10:07 AM
To: cctalk at classiccmp.org
Subject: Re: PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU
later version

>   - PDF/A is [...]
> Those are all good archival properties!  However, it's also R/O.

Maybe if you stick to Adobe's tools.  As demonstrated by this thread,
it's entirely possible to modify such files, even if the currently-easy
ways to do that involve a trip through a completely different

I find it astonishing that anyone would seriously call any documented
file format read-only.  (If PDF/A isn't documented, then IMO it's not
suitable for archival under any circumstances.  But this thread makes
it sound as though it's documented.)

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I wasn't intending to make an existential claim.
I was making an observation that, yes, was based on experience with a
particular tool.
And now I've found how to extend that tool to remove that limitation, thank
you Guy :->.

PDF/A still has properties that are specific to a community-of-use.

Evidently Al thinks those properties are detrimental to the intent of
I wasn't previously aware of that issue; perhaps others here were also


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