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V Stuart Foote wrote
A printed copy of your PDF is not a very good test of document quality.
Embedded BMP representation within LibreOffice is at 300dpi.  Export print
may be the vector format  (wmf, emf, eps, svg) or a bitmap rendering
preview--at 300dpi. 

 You really need to open each PDF in suitable viewer and zoom in to 800%
or 1200%.  How do embedded  images compare there? Are they bitmap?  Or
more concise full resolution vector images?

Also, the platform you work on will impact handling of vector images.
Several helper programs are needed--Ghostscript, ImageMagick, pstoedit and
the mix will impact handling as bitmap or vector.

To clarify:

All original images are either JPG or PNG.
I don't need super-clear printing, as this is a simple non-profit
volunteer-run community magazine.
I have zoomed the two files to 6,400% in Adobe Reader XI on Windows, and
they look identical.

V Stuart Foote wrote
Please provide your OS details, and perhaps attach a sample output (via
the Nabble interface).

I am using Linux Ubuntu 14.04 64-bit.

One of the files is too large for the Nabble interface, and so I am
including links to the files instead.
*  PDF from version
*  PDF from version

My suspicion now is that the current version converts the images to a
bitmap, whereas the new version saves the images in their original format.
Is there a way to look "inside" the PDF to see how the images are stored,
either on Windows or Linux?

Thank you for looking at this.


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