\end{verbatim}
Then Film has a \texttt{Playlist} which has a
-\texttt{vector<shared\_ptr<Content>}. And it can answer questions
+\texttt{vector<shared\_ptr<Content> >}. It can answer questions
about audio/video length, frame rate, audio channels and so on.
\texttt{Playlist} can also be a source of video and audio, so clients can do:
}
\end{verbatim}
-Playlist could be created on-demand for all the difference it would make.
+Playlist could be created on-demand for all the difference it would
+make. And perhaps it should, since it will hold Decoders which are
+probably run-once.
\end{document}