           Here the first quote indicates the beginning of the 
                  token, the next two quotes together indicate a 
                  single quote character that constitutes the 
                  &quot;contents&quot; of the token, and the final quote 
                  indicates the end of the token. 
 
   qchar          is the quote character.  This is always a single 
                  character.  The characters 
 
                     &quot;  and ' 
 
                  are common choices, 