Library /sys$common/syshlp/lse$clihelp.hlb ERASE, LINE, Qualifiers, /BEGINNING  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /BEGINNING (D)

    Indicates that the cursor should be moved to the beginning of a
    line as part of the ERASE operation. You cannot use the /BEGINNING
    qualifier with the /INDICATED qualifier.