information written to <code>stderr</code> by a CGI script will
be copied directly to the error log.</p>
- <p>If <module>mod_unique_id</module> is loaded, you
- can put a <code>%L</code> token in both the error log and the access
- log, producing a log entry ID with which you can correlate the entry
- in the error log with the entry in the access log.</p>
+ <p>Putting a <code>%L</code> token in both the error log and the access
+ log will produce a log entry ID with which you can correlate the entry
+ in the error log with the entry in the access log. If
+ <module>mod_unique_id</module> is loaded, its unique request ID will be
+ used as the log entry ID, too.</p>
<p>During testing, it is often useful to continuously monitor
the error log for any problems. On Unix systems, you can