xforms

[apache] / docs / manual / mod / core.html.en

diff --git a/docs/manual/mod/core.html.en b/docs/manual/mod/core.html.en
index 2ae501f8a2c2c325d6956f40860cc818eca009b3..2875ae8f5f9ac7eafe74d25ae7a5786a19e195d9 100644 (file)
--- a/docs/manual/mod/core.html.en
+++ b/docs/manual/mod/core.html.en
@@ -1306,16 +1306,22 @@ in case of an error</td></tr>
     or a message. Apache httpd will sometimes offer additional information
     regarding the problem/error.</p>
 
+    <p>From 2.4.13, <a href="../expr.html">expression syntax</a> can be
+    used inside the directive to produce dynamic strings and URLs.</p>
+
     <p>URLs can begin with a slash (/) for local web-paths (relative
     to the <code class="directive"><a href="#documentroot">DocumentRoot</a></code>), or be a
     full URL which the client can resolve. Alternatively, a message
-    can be provided to be displayed by the browser. Examples:</p>
+    can be provided to be displayed by the browser. Note that deciding
+    whether the parameter is an URL, a path or a message is performed
+    before any expression is parsed. Examples:</p>
 
     <pre class="prettyprint lang-config">ErrorDocument 500 http://foo.example.com/cgi-bin/tester
 ErrorDocument 404 /cgi-bin/bad_urls.pl
 ErrorDocument 401 /subscription_info.html
 ErrorDocument 403 "Sorry can't allow you access today"
-ErrorDocument 403 Forbidden!</pre>
+ErrorDocument 403 Forbidden!
+ErrorDocument 403 /cgi-bin/forbidden.pl?referrer=%{escape:%{HTTP_REFERER}}</pre>
 
 
     <p>Additionally, the special value <code>default</code> can be used