Index: trunk/psModules/src/pmSubtractBias.c
===================================================================
--- trunk/psModules/src/pmSubtractBias.c	(revision 2147)
+++ trunk/psModules/src/pmSubtractBias.c	(revision 2148)
@@ -6,6 +6,6 @@
  *  @author George Gusciora, MHPCC
  *
- *  @version $Revision: 1.15 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-10-15 02:15:48 $
+ *  @version $Revision: 1.16 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2004-10-15 02:20:39 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -33,5 +33,5 @@
 
     if (bias == NULL) {
-        // XXX: Generate warning message?
+        printf("WARNING: bias frame is NULL\n");
         return(in);
     }
@@ -130,8 +130,8 @@
 
     if (numOptions == 0) {
-        // XXX: psErrorMsg()
+        psError(__func__, "No statistics options have been specified\n");
     }
     if (numOptions != 1) {
-        // XXX:Generate warning message.
+        printf("WARNING: Too many statistics options have been specified\n");
     }
     return(opt);
@@ -230,5 +230,4 @@
     if ((overscans == NULL) && (overScanAxis != PM_OVERSCAN_NONE)) {
         psError(__func__, "(overscans == NULL) && (overScanAxis != PM_OVERSCAN_NONE)\n");
-        //XXX: psErrorMsg()
         return(in);
     }
@@ -237,8 +236,6 @@
             (overScanAxis == PM_OVERSCAN_ALL)) &&
             (fit == PM_FIT_NONE)) {
-        //XXX: psWarningMsg()
+        printf("WARNING: overScanAxis equals NONE or ALL, and fit equals NONE\n");
         //XXX: Then what?
-        printf("WARNING: overScanAxis equals NONE or ALL, and fit equals NONE\n");
-        //        return(in);
     }
 
@@ -375,5 +372,6 @@
                 } else if (fit == PM_FIT_SPLINE) {
                     mySpline = (psSpline1D *) fitSpec;
-                    // XXX: What is the point of doing this?
+                    // XXX: The spline functions do not currently work if the number of
+                    // data points and the number of splines are not equal.
                 }
             }