by the values as follows:
<PRE>
-%...b: Bytes sent, excluding HTTP headers.
+%...B: Bytes sent, excluding HTTP headers.
+%...b: Bytes sent, excluding HTTP headers. In CLF format
+ i.e. a '-' rather than a 0 when no bytes are sent.
%...f: Filename
%...{FOOBAR}e: The contents of the environment variable FOOBAR
%...h: Remote host
%...U: The URL path requested.
%...v: The canonical ServerName of the server serving the request.
%...V: The server name according to the UseCanonicalName setting.
+%...m The request method
+%...H The request protocol
</PRE>
The `...' can be nothing at all (<EM>e.g.</EM>, <CODE>"%h %u %r %s %b"</CODE>), or it can