Add a sentence.

diff --git a/9.3/paper.tex b/9.3/paper.tex
index eb7ab4ae211cb37c17af15ec22359aab68739b7d..441eafcccdb3bafbc1bfe863beef262aaff9d0af 100644 (file)
--- a/9.3/paper.tex
+++ b/9.3/paper.tex
@@ -1123,7 +1123,9 @@ ways as part of this release. In addition, there are a number of new tutorial pr
   by Justin O'Connor at Colorado State University, the program asks
   what the optimal distribution of a finite amount of material in a
   domain is to maximize its strength (or optimize some other objective
-  functional). It uses advanced optimization techniques.
+  functional). It uses advanced optimization techniques to deal with
+  the nonlinearity of the problem as well as with the equality and
+  inequality constraints that characterize the application.
 \end{itemize}
 
 There is also a new program in the code gallery (a collection of