[Bug 39092] Re: [Bug 39092] Re: Draggable/non-draggable areas are indistinguishable in background windows

[Mark Shuttleworth]

Is it feasible to put a single line across denoting the border between
title bar and window?

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Draggable/non-draggable areas are indistinguishable in background windows
https://launchpad.net/bugs/39092