diff --git a/Packages/Triangulation_2/Makefile b/Packages/Triangulation_2/Makefile
index 2561e648831..c94edb6e873 100644
--- a/Packages/Triangulation_2/Makefile
+++ b/Packages/Triangulation_2/Makefile
@@ -84,7 +84,7 @@ Doc_ps:
 	latex wrapper.tex; latex wrapper.tex; \
 	dvips -o Triangulation_2.ps wrapper.dvi; \
 	gzip Triangulation_2.ps;\
-	rm -f *.aux *.log *.dvi *.ps *.blg *.bbl *.toc ;
+	rm -f *.aux *.log *.dvi  *.blg *.bbl *.toc ;
 	mv doc_tex/basic/Triangulation_2/Triangulation_2.ps.gz doc_ps ; 
 	cd doc_ps; rm -f pointer.ps.gz;
 	cd doc_tex/support/Handle;\
@@ -92,7 +92,7 @@ Doc_ps:
 	latex wrapper.tex; latex wrapper.tex; \
 	dvips -o pointer.ps wrapper.dvi; \
 	gzip pointer.ps; \
-	rm -f *.aux *.log *.dvi *.ps *.blg *.bbl *.toc
+	rm -f *.aux *.log *.dvi *.blg *.bbl *.toc
 	mv doc_tex/support/Handle/pointer.ps.gz doc_ps ; \
 
 
diff --git a/Packages/Triangulation_2/changes.txt b/Packages/Triangulation_2/changes.txt
index df3ee146c23..0662b1d63db 100644
--- a/Packages/Triangulation_2/changes.txt
+++ b/Packages/Triangulation_2/changes.txt
@@ -1,7 +1,12 @@
 Package triangulation: provides triangulations Delaunay triangulations, 
 constrained and regular triangulations with  tests and examples.
 
-Ver 5.10 (17/7/010
+Ver 5.11 ??
+- added an example for constrained Delaunay triangulation
+- fixed indexing bug
+- try to add figures for constrained triangulation  but finalle did not
+
+Ver 5.10 (17/7/01)
 - fixed latex bugs in the doc
 
 Ver 5.09 (13/7/01)
diff --git a/Packages/Triangulation_2/doc_tex/Triangulation_2/triangulation_user.tex b/Packages/Triangulation_2/doc_tex/Triangulation_2/triangulation_user.tex
index 5c7ed0cb405..27b0b9f70e5 100644
--- a/Packages/Triangulation_2/doc_tex/Triangulation_2/triangulation_user.tex
+++ b/Packages/Triangulation_2/doc_tex/Triangulation_2/triangulation_user.tex
@@ -841,22 +841,22 @@ and add three boolean to store the status of its edges.
 %that builds a 
 %constrained triangulation from a list of constraints.
 
-\begin{figure}
-\begin{ccTexOnly}
-\begin{center}
-\includegraphics[width=6cm]{Fig/poisson.ps}
-\includegraphics[width=6cm]{Fig/del_poisson.ps}
-\end{center}
-\end{ccTexOnly}
-\caption{Constrained and Constrained Delaunay triangulation}
-\label{I1_Fig_constrained}}
-\begin{ccHtmlOnly}
-<CENTER>
-<img border=0 src=poisson.gif align=center alt=" ">
-<img border=0 src=del_poisson.gif align=center alt=" ">
-</CENTER>
-\end{ccHtmlOnly}
-\end{figure}
+%\begin{figure}
+%\begin{ccTexOnly}
+%\begin{center}
+%\includegraphics[width=6cm]{poisson.ps}
+%\includegraphics[width=6cm]{del_poisson.ps}
+%\end{center}
+%\end{ccTexOnly}
+%\caption{Constrained and Constrained Delaunay triangulation}
+%\label{I1_Fig_constrained}}
+%\begin{ccHtmlOnly}
+%<CENTER>
+%<img border=0 src=poisson.gif alt=" Constrained triangulation">
+%<img border=0 src=del_poisson.gif alt="Constrained Delaunay triangulation">
+%</CENTER>
+%\end{ccHtmlOnly}
+%\end{figure}
 
 
 \section{Constrained Delaunay Triangulations}
diff --git a/Packages/Triangulation_2/doc_tex/basic/Triangulation_2/triangulation_user.tex b/Packages/Triangulation_2/doc_tex/basic/Triangulation_2/triangulation_user.tex
index 5c7ed0cb405..27b0b9f70e5 100644
--- a/Packages/Triangulation_2/doc_tex/basic/Triangulation_2/triangulation_user.tex
+++ b/Packages/Triangulation_2/doc_tex/basic/Triangulation_2/triangulation_user.tex
@@ -841,22 +841,22 @@ and add three boolean to store the status of its edges.
 %that builds a 
 %constrained triangulation from a list of constraints.
 
-\begin{figure}
-\begin{ccTexOnly}
-\begin{center}
-\includegraphics[width=6cm]{Fig/poisson.ps}
-\includegraphics[width=6cm]{Fig/del_poisson.ps}
-\end{center}
-\end{ccTexOnly}
-\caption{Constrained and Constrained Delaunay triangulation}
-\label{I1_Fig_constrained}}
-\begin{ccHtmlOnly}
-<CENTER>
-<img border=0 src=poisson.gif align=center alt=" ">
-<img border=0 src=del_poisson.gif align=center alt=" ">
-</CENTER>
-\end{ccHtmlOnly}
-\end{figure}
+%\begin{figure}
+%\begin{ccTexOnly}
+%\begin{center}
+%\includegraphics[width=6cm]{poisson.ps}
+%\includegraphics[width=6cm]{del_poisson.ps}
+%\end{center}
+%\end{ccTexOnly}
+%\caption{Constrained and Constrained Delaunay triangulation}
+%\label{I1_Fig_constrained}}
+%\begin{ccHtmlOnly}
+%<CENTER>
+%<img border=0 src=poisson.gif alt=" Constrained triangulation">
+%<img border=0 src=del_poisson.gif alt="Constrained Delaunay triangulation">
+%</CENTER>
+%\end{ccHtmlOnly}
+%\end{figure}
 
 
 \section{Constrained Delaunay Triangulations}