sf_cua_memo_edit    A very limited version of m_edit() for CUA
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    procedure sf_cua_memo_edit prototype
      parameters memo memo_field,;
                 value int lr,;
                 value int lc,;
                 value int rr,;
                 value int rc,;
                 const logical disp_only,;
                 value int window_color,;
                 const char header_string,;
                 value int header_color,;
                 const logical action_box

    A very limited version of m_edit() for CUA.