--- a/scripts/image/rainbow.m	Thu Feb 16 10:37:07 2012 -0800
+++ b/scripts/image/rainbow.m	Thu Feb 16 16:17:06 2012 -0500
@@ -47,14 +47,18 @@
     map = [1, 0, 0];
   elseif (n > 1)
     x = linspace (0, 1, n)';
-    r = (x < 2/5) ...
-      + (x >= 2/5 & x < 3/5) .* (-5 * x + 3) ...
-      + (x >= 4/5) .* (10/3 * x - 8/3);
-    g = (x < 2/5) .* (5/2 * x) ...
-      + (x >= 2/5 & x < 3/5) ...
-      + (x >= 3/5 & x < 4/5) .* (-5 * x + 4);
-    b = (x >= 3/5 & x < 4/5) .* (5 * x - 3)
-      + (x >= 4/5);
+
+    r = (x < 2/5) \
+        + (x >= 2/5 & x < 3/5) .* (-5 * x + 3) \
+        + (x >= 4/5) .* (10/3 * x - 8/3);
+
+    g = (x < 2/5) .* (5/2 * x) \
+        + (x >= 2/5 & x < 3/5) \
+        + (x >= 3/5 & x < 4/5) .* (-5 * x + 4);
+
+    b = (x >= 3/5 & x < 4/5) .* (5 * x - 3) \
+        + (x >= 4/5);
+
     map = [r, g, b];
   else
     map = [];