title: xterm copying to CLIPBOARD using copy-selection causes automatic updating of CLIPBOARD upon mouse selection
body: <p>I've tried various ways to coerce xterm (versions 285 and 292) to copy the selection to the CLIPBOARD clipboard whenever I press Ctrl-Shift-C.  The most promising way thus far has been, in ~/.Xresources, to put this:</p>
  
  <pre><code>XTerm*vt100.translations: #override \
      Ctrl Shift &lt;KeyPress&gt; C:  copy-selection(CLIPBOARD) \n\
      Ctrl Shift &lt;KeyPress&gt; V:  insert-selection(CLIPBOARD)
  </code></pre>
  
  <p>Ctrl-Shift-V works perfectly, but the copying has a nuance...</p>
  
  <p>If I restart xterm, highlighting text puts things in the PRIMARY clipboard; this is expected, proper, default behavior.  If I hit Ctrl-Shift-C, it properly copies the current selection to CLIPBOARD clipboard.</p>
  
  <p>The bug, however, is that if you highlight text after the first time you pressed Ctrl-Shift-C, you'll see that highlighting now copies to both PRIMARY <em>and</em> CLIPBOARD.  I cannot figure out how to stop xterm from updating CLIPBOARD upon selection... and it doesn't make sense to me that it would do it in the first place.</p>
  
  <p>I said, at a specific point in time, to copy the selection to the clipboard... yet it just starts updating it automatically upon selection after doing it once... </p>
  
  <p>Anyone have a workaround?</p>