Public bug reported:
Binary package hint: xchat-gnome
xchat-gnome's tray icon isn't transparent but it should be.
See http://www.chrisime.de/Screenshots/xchat_trayicon.png
** Affects: xchat-gnome (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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TrayIcon should be transparent
https://launchpad.net/bugs/63339