Index: trunk/psModules/src/detrend/pmDark.h
===================================================================
--- trunk/psModules/src/detrend/pmDark.h	(revision 19299)
+++ trunk/psModules/src/detrend/pmDark.h	(revision 19432)
@@ -40,6 +40,18 @@
     );
 
-bool pmDarkApplyScan_Threaded(psThreadJob *job);
-bool pmDarkApplyScan (pmReadout *readout, const pmCell *dark, psPolynomialMD *poly, psVector *values, psMaskType bad, bool doNorm, float norm, int rowStart, int rowStop);
+// Thread entry point for pmDarkApplyScan
+bool pmDarkApplyScan_Threaded(psThreadJob *job // Job to execute
+    );
+
+// Apply the dark correction to a scan
+bool pmDarkApplyScan(pmReadout *readout, // Readout to correct
+                     const pmCell *dark, // Dark to apply
+                     const psVector *orders, // Polynomial orders for each ordinate
+                     const psVector *values, // Values for each ordinate
+                     psMaskType bad,    // Value to give bad pixels
+                     bool doNorm,       // Normalise values?
+                     float norm,        // Value by which to normalise
+                     int rowStart, int rowStop // Scan range to work on
+    );
 
 // Apply dark