Index: trunk/psLib/src/fits/psFitsHeader.c
===================================================================
--- trunk/psLib/src/fits/psFitsHeader.c	(revision 15191)
+++ trunk/psLib/src/fits/psFitsHeader.c	(revision 15335)
@@ -7,6 +7,6 @@
  *  @author Robert DeSonia, MHPCC
  *
- *  @version $Revision: 1.36 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-10-04 01:16:33 $
+ *  @version $Revision: 1.37 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-10-19 23:52:39 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -593,4 +593,5 @@
 {
     PS_ASSERT_FITS_NON_NULL(fits, false);
+    PS_ASSERT_FITS_WRITABLE(fits, false);
     PS_ASSERT_METADATA_NON_NULL(output, false);
 
@@ -604,4 +605,5 @@
 {
     PS_ASSERT_FITS_NON_NULL(fits, false);
+    PS_ASSERT_FITS_WRITABLE(fits, false);
 
     // We allow output == NULL in order to write a minimal header.