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$ uname -roms
Linux 4.2.2-1-ARCH x86_64 GNU/Linux
$ kfontview --version
Qt: 5.5.0
KDE Frameworks: 5.14.0
Font Viewer: 5.4.2It's basically what the title says. Here's a screenshot http://i.imgur.com/QilGti2.png. It's happening with every font. It's been happening for quite a long time, but no update ever since has fixed it. I have no Idea what might cause it.
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Maybe: Bug 336089 - Font preview - rendering problem - https://bugs.kde.org/show_bug.cgi?id=336089
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