GET_CLIPBOARD
     Reads STRING format data from the clipboard and returns a string
     containing this data.
     Syntax
     string := GET_CLIPBOARD
  Parameters
     string               The data read from the clipboard.  Line breaks are
                          indicated by a linefeed character (ASCII (10)).
  Example
     The following statement reads what is currently in the clipboard and
     assigns it to the variable "new_string".
     the_string := GET_CLIPBOARD;