diff -r b70d30e1b0fe -r 8d802b573cf0 src/proto2/Dimension.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/proto2/Dimension.cc	Sat Nov 08 21:25:56 2008 +0000
@@ -0,0 +1,14 @@
+#include "Dimension.hh"
+
+std::ostream& operator<< (std::ostream &s, const Coordinate &c) {
+	s << "(" << c.x << ", " << c.y << ")";
+
+	return s;
+}
+
+std::ostream& operator<< (std::ostream &s, const PositionDelta &c) {
+	s << "(" << c.dx << ", " << c.dy << ")";
+
+	return s;
+}
+