+them. The defaults are equivalent to:
+.PP
+.nf
+namepart title "/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$" $2 display
+namepart title "/([^/]+)\\.[a-zA-Z0-9]+$" $1 sort
+namepart album "/([^/]+)/[^/]+$" $1 *
+namepart artist "/([^/]+)/[^/]+/[^/]+$" $1 *
+namepart ext "(\\.[a-zA-Z0-9]+)$" $1 *
+.fi