Format: SHOW VERSION
 The SHOW VERSION (abbreviated SH VE) command displays the version number
 and copyright statement of EDT.  You should write the full text of the
 version number on any EDT SPR.   The copyright statement appears as
 either
     COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1980, 1983
 or
     COPYRIGHT © DIGITAL EQUIPMENT CORPORATION 1980, 1983
 the latter form is used on terminals that have the international
 copyright symbol.