!TIL: When you mark a row or some rows in a LibreOffice Calc table and move its contents, and the row gets marked by „running ants“, Xorg (!) needs lots of CPU time in order just to show these „running ants“. In this case: ~ 50 % CPU on an AMD Dual Core 4850e with 2,5 GHz. I wondered why Xorg wants so much CPU time – until I closed LibreOffice … m(