diff -r 4acba8684811 -r b255f25ad394 src/work/alpar/invalid.h
--- a/src/work/alpar/invalid.h	Wed Mar 24 09:36:21 2004 +0000
+++ b/src/work/alpar/invalid.h	Wed Mar 24 13:06:06 2004 +0000
@@ -3,6 +3,9 @@
 #ifndef HUGO_INVALID_H
 #define HUGO_INVALID_H
 
+///\file
+///\brief Definition of INVALID.
+
 namespace hugo {
 
   /// Dummy type to make it easier to make invalid iterators.