I recently installed CentOS 7 + KDE 4.14 on my main workstation, and overall I’m very happy with it.
Okular seems to have trouble with some PDF files. I’m using the Dolibarr application to generate invoices. I can view the resulting PDF file OK, but when I try to print it, I get a blank page. A few days ago I had a similar problem with a PDF file generated from a french administration online form.
On my previous installation (Slackware64 14.1 + Xfce + Evince built from source) I never had any trouble with PDF files.
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