From c787a7ffcf62ddf63acff0d18d8df52d028043e7 Mon Sep 17 00:00:00 2001
From: Rich Bowen <rbowen@apache.org>
Date: Tue, 15 Feb 2011 12:52:47 +0000
Subject: Rebulds transformation, adding simplified chinese translation
 documents.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1070871 13f79535-47bb-0310-9956-ffa450edef68
---
 docs/manual/mod/mod_cache.html.en | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'docs/manual/mod/mod_cache.html.en')

diff --git a/docs/manual/mod/mod_cache.html.en b/docs/manual/mod/mod_cache.html.en
index 92c6df04cf..5439e57f2d 100644
--- a/docs/manual/mod/mod_cache.html.en
+++ b/docs/manual/mod/mod_cache.html.en
@@ -327,13 +327,15 @@
   </code></p></div>
 
   <p>Based on the caching decision made, the reason is also written to the
-  subprocess environment under one the following three keys, as appropriate:</p>
+  subprocess environment under one the following four keys, as appropriate:</p>
 
   <dl>
     <dt>cache-hit</dt><dd>The response was served from cache.</dd>
     <dt>cache-revalidate</dt><dd>The response was stale and was successfully
       revalidated, then served from cache.</dd>
     <dt>cache-miss</dt><dd>The response was served from the upstream server.</dd>
+    <dt>cache-invalidate</dt><dd>The cached entity was invalidated by a request
+      method other than GET or HEAD.</dd>
   </dl>
 
   <p>This makes it possible to support conditional logging of cached requests
@@ -343,8 +345,12 @@
     CustomLog cached-requests.log common env=cache-hit<br />
     CustomLog uncached-requests.log common env=cache-miss<br />
     CustomLog revalidated-requests.log common env=cache-revalidate<br />
+    CustomLog invalidated-requests.log common env=cache-invalidate<br />
   </code></p></div>
 
+  <p>For module authors, a hook called <var>cache_status</var> is available,
+  allowing modules to respond to the caching outcomes above in customised
+  ways.</p>
 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="CacheDefaultExpire" id="CacheDefaultExpire">CacheDefaultExpire</a> <a name="cachedefaultexpire" id="cachedefaultexpire">Directive</a></h2>
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