<p>Other status codes can be returned by giving the numeric
status code as the value of <var>status</var>. If the status is
- between 300 and 399, the <var>URL</var> argument must be present,
- otherwise it must be omitted. Note that the status must be
- known to the Apache code (see the function
+ between 300 and 399, the <var>URL</var> argument must be present.
+ If the status is <em>not</em> between 300 and 399, the
+ <var>URL</var> agument must be omitted. The status must be a valid
+ HTTP status code, known to the Apache HTTP Server (see the function
<code>send_error_response</code> in http_protocol.c).</p>
<example><title>Example:</title>