Put the keywords back in alphabetical order. Apparently somebody

didn't use reswords.py, as the comment clearly states. :-(

Doc/ref/ref2.tex

@@ -265,8 +265,8 @@ identifiers.  They must be spelled exactly as written here:%
 and       del       for       is        raise    
 assert    elif      from      lambda    return   
 break     else      global    not       try      
-class     except    if        or        yield    
-continue  exec      import    pass      while
+class     except    if        or        while    
+continue  exec      import    pass      yield    
 def       finally   in        print              
 \end{verbatim}