NSApplication messes up the windows menu in changeWindowsItem... after adding a new item, so we have to clean up again. 
NSApplication messes up the windows menu in changeWindowsItem... after adding a new item, so we have to clean up again. 
WoLpH/skim,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,WoLpH/skim,ycaihua/skim-app