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

[COURYHOUSE at aol.com]

Adobe claims " PDF/A – the ISO standard  for long-term archiving"
 
-I  am confused about all the  versions  etc..
-which are  good  which are   bad? 
-are there good  programs  for  opening hesitant to open pdf  file?
- what is a good    freeware   PDF  generator?  / modifier?
- are older  versions of the reader  better than the newer ones?
-my HP scanner software makes PDF files  eiher as graphics or as  graphics 
with OCR
-is my  HP scanner making "good"   pdf  files that can be read into the 
future?
 
Sorry if  I seem  confused on  this... but I  am!
 
thanks  for any  help   Ed#  _www.smecc.org_ (http://www.smecc.org) 
 
            
In a message dated 2/18/2017 11:24:14 A.M.  US Mountain Standard Time, 
bobalan at sbcglobal.net writes:
 
On  2/18/2017 10:04 AM, Paul Birkel wrote:
>> -----Original  Message-----
>> From: cctalk [mailto:cctalk-bounces at classiccmp.org]  On Behalf Of Al 
Kossow
>> Sent: Saturday, February 18, 2017 12:50  PM
>> To: cctalk at classiccmp.org
>> Subject: Re: PDP-11/24  CPU later version
>>
>> PDF-A
>>
>> which  is the reason it's not on bitsavers
> Thank you Al.  It's not just  me then who has heartburn with that format 
...
>
>  ----
>
>

I removed the /A format and put the copy up here:  
http://dvq.com/docs/EK-11024-TM-003.pdf

Bob

-- 
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