(vsize): Increase in 2 column case.

(vsize): Increase in 2 column case.
(\key): Tweak space for description.
(\overfullrule): Set to 0pt to hide small overflows.
(nopagenumbers): Call to turn off numbers in 1 page document.
(Obtenir de l'aide, Modifier le tampon Dired): Swap sections to
balance column length.
(Mettre un flag sur les fichiers \`a d\'etruire): Hack in a line
break to prevent overfull line.
(find-names-dired): Use \key rather than \metax as a hack fix for
overflow.