+(defun patches ()
+ "PATCHES => ALL-PATCHES
+
+ARGUMENTS AND VALUES:
+
+ ALL-PATCHES: a NetLogo agentset, all patches
+
+DESCRIPTION:
+
+ Reports the agentset consisting of all the patches.
+
+ This agentset is special in that it represents the living patches
+ each time it's used, so changes depending on the state of the engine.
+
+ See http://ccl.northwestern.edu/netlogo/docs/dictionary.html#patches"
+ *patches*)
+