Marking as 'Won't fix', see section "2.18. Non-Rectangular Extended Desktops" in the multi-monitor spec ( http://design.canonical.com/the-toolkit/unity-multi-monitor-interactions/ )
Marking as 'Won't fix', see section "2.18. Non-Rectangular Extended Desktops" in the multi-monitor spec ( http:// design. canonical. com/the- toolkit/ unity-multi- monitor- interactions/ )