<p>Particular items can be restricted to print only for
responses with specific HTTP status codes by placing a
comma-separated list of status codes immediately following the
- "%". For example, <code>"%400,501{User-agent}i"</code> logs
- <code>User-agent</code> on 400 errors and 501 errors only. For
+ "%". The status code list may be peceded by a "<code>!</code>" to
+ indicate negation.</p>
+
+ <table class="bordered"><tr class="header"><th>Format String</th>
+ <th>Meaning</th></tr>
+<tr>
+ <td><code>%400,501{User-agent}i</code></td>
+ <td>Logs <code>User-agent</code> on 400 errors and 501 errors only. For
other status codes, the literal string <code>"-"</code> will be
- logged. The status code list may be preceded by a
- "<code>!</code>" to indicate negation:
- <code>"%!200,304,302{Referer}i"</code> logs <code>Referer</code>
- on all requests that do <em>not</em> return one of the three
- specified codes.</p>
+ logged.</td></tr>
+<tr class="odd"><td><code>%!200,304,302{Referer}i</code></td>
+ <td>Logs <code>Referer</code> on all requests that do
+ <em>not</em> return one of the three specified codes,
+ "<code>-</code>" otherwise.
+ </td></tr>
+</table>
<p>The modifiers "<" and ">" can be used for requests that
have been internally redirected to choose whether the original
- <h3><a name="format-notes" id="format-notes">Some Notes</a></h3>
+ <h3><a name="format-notes" id="format-notes">Format Notes</a></h3>
<p>For security reasons, starting with version 2.0.46,
non-printable and other special characters in <code>%r</code>,
format provided by <code class="module"><a href="../mod/mod_logio.html">mod_logio</a></code> will log the
actual number of bytes sent over the network.</p>
+ <div class="note">
<p>Note: <code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code> is implemented as a
quick-handler and not as a standard handler. Therefore, the
<code>%R</code> format string will not return any handler
information when content caching is involved.</p>
+ </div>
<p>Particular items can be restricted to print only for
responses with specific HTTP status codes by placing a
comma-separated list of status codes immediately following the
- "%". For example, <code>"%400,501{User-agent}i"</code> logs
- <code>User-agent</code> on 400 errors and 501 errors only. For
+ "%". The status code list may be peceded by a "<code>!</code>" to
+ indicate negation.</p>
+
+ <table border="1" style="zebra">
+ <columnspec><column width=".2"/><column width=".8"/></columnspec>
+
+ <tr><th>Format String</th>
+ <th>Meaning</th></tr>
+
+ <tr>
+ <td><code>%400,501{User-agent}i</code></td>
+ <td>Logs <code>User-agent</code> on 400 errors and 501 errors only. For
other status codes, the literal string <code>"-"</code> will be
- logged. The status code list may be preceded by a
- "<code>!</code>" to indicate negation:
- <code>"%!200,304,302{Referer}i"</code> logs <code>Referer</code>
- on all requests that do <em>not</em> return one of the three
- specified codes.</p>
+ logged.</td></tr>
+
+ <tr><td><code>%!200,304,302{Referer}i</code></td>
+ <td>Logs <code>Referer</code> on all requests that do
+ <em>not</em> return one of the three specified codes,
+ "<code>-</code>" otherwise.
+ </td></tr>
+
+ </table>
<p>The modifiers "<" and ">" can be used for requests that
have been internally redirected to choose whether the original
</section>
- <section id="format-notes"><title>Some Notes</title>
+ <section id="format-notes"><title>Format Notes</title>
<p>For security reasons, starting with version 2.0.46,
non-printable and other special characters in <code>%r</code>,
format provided by <module>mod_logio</module> will log the
actual number of bytes sent over the network.</p>
+ <note>
<p>Note: <module>mod_cache</module> is implemented as a
quick-handler and not as a standard handler. Therefore, the
<code>%R</code> format string will not return any handler
information when content caching is involved.</p>
+ </note>
</section>