+/* 7/25/2011 There's really no need to remove this code after merge_split_cuts.
+ * We can continue using it for exact VR azimuth in RSL. Non-RSL programs can
+ * use the mandatory header azimuth, which is exact for DZ and a close
+ * approximation for VR when merge-split-cuts is applied.
+ */
+/* Preprocessor directives are for testing. */