.  This feature allows a configuration
         file to be divided into physically separate parts.
         Include directives simply look like:
</P><PRE
CLASS="PROGRAMLISTING"
>include 'filename'</PRE
><P>
         If the file name is not an absolute path, it is taken as relative to
         the directory containing the referencing configuration file.
         Inclusions can be nested.
     </P
><P
>      
         There is also an <TT
CLASS="LITERAL"
>include_if_exists</TT
> directive, which acts
        