Hi Vincent!

Upstream speaking here.

* Vincent Fourmond <[email protected]>, 2014-09-03, 18:14:
 It used to work for me:

-rw-r--r-- 1 fv fv 7243832 Sep  3 18:05 a.djvu
-rw-r--r-- 1 fv fv 5435575 Sep  3 18:04 a.pdf
-rw-r--r-- 1 fv fv 1634030 Sep  3 18:07 c.djvu
-rw-r--r-- 1 fv fv  974299 Nov  7 wood91.djvu

wood91.djvu is a document that was produced losslessly from the original PDF file I don't have anymore (but the compression was good, else I wouldn't have kept the DJVU file). a.pdf is the PDF file coming from ddjvu --format=pdf. a.djvu is the product of running

 pdf2djvu --verbose --guess-dpi a.pdf a.djvu

 c.djvu is the product of

 pdf2djvu --verbose --guess-dpi --monochrome a.pdf c.djvu

Do you have a practical use case for converting DjVu to PDF, and then back to DjVu? Or are you just using this example to illustrate the general problem?

I can't post the above files here as they are copyrighted materials, but I can send them in private mail if the need arises.

If you could send the files to me, it would be great.

--
Jakub Wilk


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