Index: /issm/trunk/src/m/classes/public/geography.m
===================================================================
--- /issm/trunk/src/m/classes/public/geography.m	(revision 2667)
+++ /issm/trunk/src/m/classes/public/geography.m	(revision 2668)
@@ -22,4 +22,7 @@
 	help geography
 	error('geography error message');
+end
+if strcmpi(icesheetname,'all'),
+	error('geography error message: islands can not be everywhere, to set an icesheet, use geography(md,'','')');
 end