Options +FollowSymlinks
RewriteEngine On

RewriteRule ^$ prog/index.php [L]
RewriteRule ^(accueil.*|liste.*|chant.*|rech-chant|choix-b|lecture-b.*|rech-b|redirige|parametres)$ prog/index.php?$1 [L]
RewriteRule ^telecommande$ prog/telec.php [L]
RewriteRule ^previsu$ prog/previsu.php [L]
RewriteRule ^prev_(accueil|liste.*|chant.*|rech-chant|choix-b|lecture-b|rech-b|redirige|parametres)$ prog/previsu.php?prev&$1 [L]
RewriteRule ^composition$ prog/composition.php [L]
RewriteRule ^edition$ prog/edition.php [L]