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No matter what gtk+ theme I select in gnome tweak tool, the window buttons display as "_ x" despite in some of the themes specifying them as circles or anything else really.
gnome 3.16.3
gtk 3.16.6-1
gtk 2.24.28-1
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Reinstall gdk-pixbuf2. It worked for me.
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It's working now. Thanks.
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