\key{Prefetch region}{r i}
\newcolumn
+\section{sticky summary}
+
+\key{Stick current summary}{M-s}
+\key{Open summary and stick}{G}
+\key{Display next summary}{C-c C-n}
+\key{Display previous summary}{C-c C-p}
+\key{Discard current summary}{C-u q}
+
\section{Message Mode}
\key{Go back to summary buffer}{q}