--- a/slides/slides07.tex	Thu Nov 26 02:20:13 2020 +0000
+++ b/slides/slides07.tex	Fri Nov 27 13:53:06 2020 +0000
@@ -1081,6 +1081,10 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  
 
 
+
+\begin{frame}<1-10>
+\end{frame}  
+
 \end{document}
 
 %%% Local Variables: