zOs/TX/WK927B

* compare with mask segSize: *.*,64 does NOT change
*       a new part TS to universal by range
*       -- but for old TS see wk927C
creDb trg 0
+ ok creDb DSN.TX.GENF(WK927t0) ::f
creDb src 2
+ ok creDb DSN.TX.GENF(WK927s2) ::f
*dbx c  ; $db.A927A mask DBTWAL
*check cdl: no segsize clause