Index: trunk/doc/pslib/psLibSDRS.tex
===================================================================
--- trunk/doc/pslib/psLibSDRS.tex	(revision 4087)
+++ trunk/doc/pslib/psLibSDRS.tex	(revision 4088)
@@ -1,3 +1,3 @@
-%%% $Id: psLibSDRS.tex,v 1.259 2005-06-02 20:54:00 jhoblitt Exp $
+%%% $Id: psLibSDRS.tex,v 1.260 2005-06-02 20:59:36 jhoblitt Exp $
 \documentclass[panstarrs,spec]{panstarrs}
 
@@ -4321,6 +4321,6 @@
 \paragraph{NULL values}
 
-The ``value'' of a quad may be declare to be undefined with the ``NULL''
-keyword.  ``NULL'' is allowed to co-exist with a ``comment'' and may be
+The ``value'' of a quad may be declare to be undefined with the \code{NULL}
+keyword.  \code{NULL} is allowed to co-exist with a ``comment'' and may be
 surrounded by whitespace.  Any non-whitespace character will cause of the
 ``value'' to be interpreted as a string.