Index: trunk/psLib/src/sysUtils/psErrorCodes.dat
===================================================================
--- trunk/psLib/src/sysUtils/psErrorCodes.dat	(revision 1683)
+++ trunk/psLib/src/sysUtils/psErrorCodes.dat	(revision 1696)
@@ -2,5 +2,14 @@
 #  This file is used to generate psErrorCode.h content
 #
-UNKNOWN                unknown error
-IO                     I/O error
-MEMORY_CORRUPTION      memory corruption detected
+# Format:
+#    ERROR_CLASS_NAME    ERROR_CLASS_DESCRIPTION
+#
+# Note: the ERROR_CLASS_NAME will appear in the code with a "PS_ERR_" prefix
+#
+UNKNOWN                        unknown error
+IO                             I/O error
+MEMORY_CORRUPTION              memory corruption detected
+MEMORY_DEREF_USAGE             dereferenced memory still used
+LOCATION_INVALID               specified location is unknown
+BAD_VALUE                      value is out-of-range
+BAD_LENGTH                     string value is too long