1981-10-09 /SRI_NIC_PERM_SRC_3_19910112/01/utilities/cvt.mid 1983-09-14 /SRI_NIC_PERM_SRC_3_19910112/01/midas/cvt.mid 1996-03-20 /mit_emacs_170_teco_1220/01/emacs/cvt.mid