svn commit: r1307398 - /httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml

[co...@apache.org]

Author: covener
Date: Fri Mar 30 13:13:50 2012
New Revision: 1307398

URL: http://svn.apache.org/viewvc?rev=1307398&view=rev
Log:
Merge r1307394 from trunk:

PR37194: give a hint about capturing something more like "initial" header
values when a %{foo}i might have been set or changed by a module.


Modified:
    httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml

Modified: httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml?rev=1307398&r1=1307397&r2=1307398&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml (original)
+++ httpd/httpd/branches/2.2.x/docs/manual/mod/mod_log_config.xml Fri Mar 30 13:13:50 2012
@@ -106,7 +106,12 @@
     <tr><td><code>%{<var>Foobar</var>}i</code></td>
         <td>The contents of <code><var>Foobar</var>:</code> header line(s)
         in the request sent to the server. Changes made by other
-        modules (e.g. <module>mod_headers</module>) affect this.
+        modules (e.g. <module>mod_headers</module>) affect this.  If you're
+        interested in what the request header was prior to when most
+        modules would have modified it, use <module>mod_setenvif</module>
+        to copy the header into an internal environment variable and log
+        that value with the <code>%{<var>VARNAME</var>}e</code> described
+        above.
         </td></tr>
 
     <tr><td><code>%k</code></td>