Library /sys$common/syshlp/decset$envmgr.hlb cgui, cmslib PopForm, cmslb dir TxtF  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Enter a string into this field and
    click on either of the Append or Add Before Selected buttons
    to add the string in the appropriate place in the search list or
    string list.