Library /sys$common/syshlp/edthelp.hlb CHANGE, SUBCOMMANDS, DUPC  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 The DUPC (default uppercase) command sets the motion state to uppercase.
 With this as the motion state moving the cursor over a lower case letter
 changes it to upper case.  See DMOV and DLWC.

 Format: DUPC