% Create a slide introducing new sections.
\AtBeginSection[]{
\begin{frame}
- \frametitle{Part \thepart, Section \thesection}
+ \frametitle{
+ \ifx\insertpart\@empty%
+ \else%
+ Part \thepart, %
+ \fi%
+ Section \thesection
+ }
\vfill
\begin{center}
- \usebeamerfont{title}\insertpart: \insertsectionhead\par%
+ \usebeamerfont{title}
+ \ifx\insertpart\@empty%
+ \else%
+ \insertpart: %
+ \fi%
+ \insertsectionhead\par%
\end{center}
\vfill
\end{frame}
% Define a new ``partsecframe'' environment that uses a default frame
% title of ``<part>: <section>'' when no other frame title is given.
-\newenvironment{partsecframe}[1][\insertpart: \insertsectionhead]
+\newenvironment{partsecframe}[1][%
+ \ifx\insertpart\@empty%
+ \else%
+ \insertpart: %
+ \fi%
+ \insertsectionhead%
+]
{\begin{frame}{#1}}
{\end{frame}}
+% Define a new ``refsframe'' environment for the bibliography.
+% It automatically handles the frame breaks, and fixes the busted
+% vertical spacing on slides >= 2. The extra curly braces ensure that
+% the change to the ``frametitle continuation'' template are only
+% temporary.
+\newenvironment{refsframe}[1][References] {
+ \splittopskip=2.13em % Fixes the vertical spacing of split frames.
+ \setbeamertemplate{frametitle continuation}{} % Same title for all frames.
+ \begin{frame}[allowframebreaks]{#1}
+ }
+ { \end{frame} }
+
+
\mode<all>