--- /dev/null
+Index: tasks/data/tasks.desktop.in
+===================================================================
+--- tasks/data/tasks.desktop.in (revision 115)
++++ tasks/data/tasks.desktop.in (working copy)
+@@ -9,3 +9,4 @@
+ Categories=GTK;Application;Office;ProjectManagement;
+ Terminal=false
+ StartupNotify=true
++SingleInstance=true
require tasks.inc
-SRC_URI = "http://projects.o-hand.com/sources/tasks/${P}.tar.gz"
+PR = "r1"
+
+SRC_URI = "http://projects.o-hand.com/sources/tasks/${P}.tar.gz \
+ file://tasks-single.diff;patch=1"