Mark up email as a URL

sane.tex

@@ -1873,9 +1873,7 @@ The SANE standard is discussed and evolved via a mailing list.
 Anybody with email access to the Internet can automatically join and
 leave the discussion group by sending mail to the following address.
 \begin{quote}\index{mailing list}
-\begin{verbatim}
-sane-devel-request@lists.alioth.debian.org
-\end{verbatim}
+\url{sane-devel-request@lists.alioth.debian.org}
 \end{quote}
 To subscribe, send a mail with the body ``\verb|subscribe sane-devel|'' to the
 above address.