#RewriteCond %{REQUEST_FILENAME} -f
RewriteRule ^([0-9]+)$ display.php?id=$1
+RewriteRule ^([0-9]+)/$ $1 [R]
RewriteRule ^([0-9]+)/delete$ delete.php?id=$1
RewriteRule ^([0-9]+)/delete/confirm$ delete.php?id=$1&confirm=1
RewriteRule ^([0-9]+)/doap$ doap.php?id=$1