 considered an
      error.
</PRE>
<h4><a name="Files">Files</a></h4>
<PRE>
 
   None. 
 </PRE>
<h4><a name="Particulars">Particulars</a></h4>
<PRE>
 
   Quote characters may be ANY non-blank character.  For example, the 
   ampersand 
 
      &amp; 
 
   is a perfectly valid quote character.  If we were using the 
   ampersand as the quote character, then the term &quot;doubled quote&quot; 
   in the following discussion would refer to the sequence 
 
      &amp;&amp; 
 
   not the character 
 
      &quot