\threecol{phrase}{M-a}{M-e}
\threecol{paragraphe}{M-\{}{M-\}}
\threecol{page}{C-x [}{C-x ]}
\threecol{s-expression}{C-M-b}{C-M-f}
\threecol{fonction}{C-M-a}{C-M-e}
\threecol{phrase}{M-a}{M-e}
\threecol{paragraphe}{M-\{}{M-\}}
\threecol{page}{C-x [}{C-x ]}
\threecol{s-expression}{C-M-b}{C-M-f}
\threecol{fonction}{C-M-a}{C-M-e}