What Version of PDF does your software generate?
There are several generations of the PDF
format. For example, version 1.5 was released with Adobe Acrobat v6.0.
Convert Image to PDF uses the previous generation (v1.4). There are very few
changes to the version 1.5, but some are quite significant. We do not plan
on changing to the v1.5 PDF format for a couple of reasons. The first is that
the imaging portion of the PDF format has only changed slightly in version
1.5. The most notable change is that they've added support for JPEG 2000.
The second major change in the PDF format is a new compression algorithm they
developed. It is mainly a text compression routine. This is the first version
of the PDF format that is NOT backwards compatible. All other versions
(1.0-1.4) can be viewed or printed in many of their Acrobat Reader programs.
If this compression is used, the end viewer must be Acrobat Reader v6.0 or
above.
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