revision preference src: While primarily developed for the next major version of DR DOS, released as Novell DOS 7 in 1994, it was also used in the never released DR DOS " Panther " and " Star Trek " project in 1992/1993. <SEP> tgt: It was made for the next version of DR DOS, released as Novell DOS 7 in 1994, but it was also used in their " Star Trek " project, which they stopped working on before finishing.