Index: trunk/icd-demo/def/init.CS.cell.hdu.mdc
===================================================================
--- trunk/icd-demo/def/init.CS.cell.hdu.mdc	(revision 9851)
+++ trunk/icd-demo/def/init.CS.cell.hdu.mdc	(revision 9853)
@@ -12,13 +12,16 @@
 #    CHECKSUM=                                      #   Checksum for this header
 #    DATASUM =                                      #   Checksum for table data
-    TYPE    TTYPE   TUNIT   TFORM
-    ID      TTYPE   NONE    J           # Sky cell identifier
-    RA1     TTYPE   DEGREES D           # RA of 1st cell vertex.
-    DEC1    TTYPE   DEGREES D           # DEC of 1st cell vertex.
-    RA2     TTYPE   DEGREES D           # RA of 2nd cell vertex.
-    DEC2    TTYPE   DEGREES D           # DEC of 2nd cell vertex.
-    RA3     TTYPE   DEGREES D           # RA of 34d cell vertex.
-    DEC3    TTYPE   DEGREES D           # DEC of 3rd cell vertex.
-    RA4     TTYPE   DEGREES D           # RA of 4th cell vertex.
-    DEC4    TTYPE   DEGREES D           # DEC of 4th cell vertex.
+#
+    COLUMNS METADATA
+        TYPE    TTYPE   TUNIT   TFORM
+        ID      TTYPE   NONE    J           # Sky cell identifier
+        RA1     TTYPE   DEGREES D           # RA of 1st cell vertex.
+        DEC1    TTYPE   DEGREES D           # DEC of 1st cell vertex.
+        RA2     TTYPE   DEGREES D           # RA of 2nd cell vertex.
+        DEC2    TTYPE   DEGREES D           # DEC of 2nd cell vertex.
+        RA3     TTYPE   DEGREES D           # RA of 34d cell vertex.
+        DEC3    TTYPE   DEGREES D           # DEC of 3rd cell vertex.
+        RA4     TTYPE   DEGREES D           # RA of 4th cell vertex.
+        DEC4    TTYPE   DEGREES D           # DEC of 4th cell vertex.
+    END
 END