https://bugs.documentfoundation.org/show_bug.cgi?id=42442
--- Comment #15 from alf <alf.debian...@gmx.de> --- Bug still persists in LibreOffice 4.3.3-2 in Debian Jessie. It gets most evident, if you create documents with dark background. In that cases exported PDFs show clearly borders of the boxes/margins/frames you have used in your documents. They appear lighter than the background, this might be the reason why it is rarely observed in standard documents. I also observed that these lines disappear, when you include a *.png image with transparency included in you document. However this is not a solution, as other artefacts show up with transparent images included. I selected print as "PDF/A-1a" which removes transparency during export. So one personal guess from me is that these lines result from some transparency used to make the lines visible on dark background? I'll upload the sample PDF Suedamerika-Cover-5-.pdf. This is really annoying, as especially book covers use dark background and PDF to submit to printeries. -- You are receiving this mail because: You are the assignee for the bug.
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