diff -r 4cb50131788f -r e7a464fb6d39 Source/Grid.h
--- a/Source/Grid.h	Thu Jul 31 11:18:13 2008 -0700
+++ b/Source/Grid.h	Sun Jan 11 00:02:27 2009 -0800
@@ -24,6 +24,11 @@
 @class GridCell;
 
 
+typedef struct {
+    unsigned col, row;
+} GridCoord;
+
+
 /** Abstract superclass of regular geometric grids of GridCells that Bits can be placed on. */
 @interface Grid : GGBLayer
 {