unicode box instead of X close button
by tux01 from LinuxQuestions.org on (#59F5P)
I am running Xfce and I have this strange issue with my apps that are pinned on the bottom panel. If I hover the pointer over one of these apps, the thumbnail preview shows an Unicode box instead of the "x" button. However, this doesn't happen with any other kind of window, where the "x" is displayed correctly.
