improved enumerate style examples

lines-example.tex

@@ -173,17 +173,21 @@
   \itemizesymboldemo{uncheck}
 \end{frame}
 
+\newcommand{\enumeratedemo}{
+  \begin{enumerate}
+  \item Apple
+  \item Orange
+  \item Banana
+  \end{enumerate}
+}
+
 \newcommand{\enumeratesymboldemo}[1]{
   \begin{minipage}[t]{0.17\textwidth}
     \setbeamertemplate{enumerate item}[#1]
     \texttt{#1}:
-    \begin{enumerate}
-    \item Apple
-    \item Orange
-    \item Banana
-    \end{enumerate}
+    \enumeratedemo
   \end{minipage}
-  \setbeamertemplate{enumerate item}[arrow]
+  \setbeamertemplate{enumerate item}[default]
 }
 
 \begin{frame}[fragile]{Enumerate symbols}
@@ -206,6 +210,20 @@
   \enumeratesymboldemo{Roman}
 \end{frame}
 
+\begin{frame}[fragile]{Custom enumerate symbols}
+  \begin{block}{Alph within brackets}
+    \verb!\setbeamertemplate{enumerate item}{(\alph{enumi})}!
+  \end{block}
+  \setbeamertemplate{enumerate item}{(\alph{enumi})}
+  \enumeratedemo
+  \begin{block}{Arabic with closing bracket}
+    \verb!\setbeamertemplate{enumerate item}{\arabic{enumi})}!
+  \end{block}
+  \setbeamertemplate{enumerate item}{\arabic{enumi})}
+  \enumeratedemo
+  \setbeamertemplate{enumerate item}[arabic]
+\end{frame}
+
 \begin{frame}[fragile]{Nested itemize and enumerate}
   \begin{minipage}[t]{0.45\textwidth}
     \vspace{-3ex}