Diff from to

# doc/beamerug-color.tex

 \end{colorthemeexample}

 \begin{colorthemeexample}{monarca}
-  The theme is based on the the colors of the Monarch butterfly.
+  The theme is based on the colors of the Monarch butterfly.

   \themeauthor Max Dohse.
 \end{colorthemeexample}
 \end{colorthemeexample}

 \begin{colorthemeexample}{spruce}
-  The theme is based on the the colors of Michigan State University.
+  The theme is based on the colors of Michigan State University.

   \themeauthor Alan Munn.
 \end{colorthemeexample}
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