[Bug 164856] New: mysterious bar between apps [visual]

[Maciej Pilichowski]

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http://bugs.kde.org/show_bug.cgi?id=164856         
           Summary: mysterious bar between apps [visual]
           Product: plasma
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: widget-taskbar
        AssignedTo: panel-devel kde org
        ReportedBy: bluedzins wp pl


Version:            (using Devel)
Installed from:    Compiled sources

mysterious bar between apps [visual]

AFAIR this is a regression. Steps.
run kate
run konq
move mouse to taskbar, move from kate entry to konq
note the black bar appearing between those two entries