[pdftex] [tex-live] PDF 1.5 by default in TL 2010

Hans Hagen pragma at wxs.nl
Wed Jan 13 17:30:27 CET 2010


On 13-1-2010 15:00, James Quirk wrote:
>> Not on the same machine! installing newer versions of AR implies
>> uninstalling old versions even of AA (if I understood correctly the
>> acronyms used by Phil...). Acrobat 5 was a really good, reliable, and
> This is a problem on Windows/OS X. With Linux, however, there
> is no problem having multiple versions of AR on the one machine.

it's no problem to have multiple versions of acrobat on windows either 
(not that i care to keep old versions around as recent versions can 
always be set to lower versions when saving or manipulating files)

>> It is funny to observe that while the trend for the ubiquitous format
>> like XML (do you see a strong demand for compressed SVG?) is to have
>> hyper-verbose uncompressed representation of content, we should care
>> so much about the size of PDF files. I've been told that most text
>> file transfer over the networks are compressed on the fly by the
>> routers (?) so that the actual impact on bandwidth might be zero.
> Is a PDF considered a text file? I thought the whole idea of
> the four binary bytes after the header were to inform routing software
> that they're dealing with a binary file.

afaik only the metadata xml blob is to be text-only as it has to be 
parsable without having to interpret the pdf structure

and with object compression annotations dicts etc are also compressed

Hans

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