Library /sys$common/syshlp/acledt.hlb E4_KEY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Select (E4)

    Marks the beginning of a range of text to be removed or copied to
    the PASTE buffer. Press the Select key. Then, move the cursor to
    include the desired amount of text to be removed or copied. Press
    either Remove or GOLD-Remove (COPY) to complete the operation.