diff -r b4de9aed7709 -r f9e43b5cc617 demo/disjoint_paths_demo.cc
--- a/demo/disjoint_paths_demo.cc	Thu Aug 10 12:26:29 2006 +0000
+++ b/demo/disjoint_paths_demo.cc	Thu Aug 10 13:52:56 2006 +0000
@@ -41,7 +41,7 @@
 using namespace std;
 
 Color color(bool b) {
-  return b ? Color(1.0, 0.0, 0.0) : Color(0.0, 0.0, 0.0);
+  return b ? RED : BLACK;
 }
 
 int main() {