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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1819741 13f79535-47bb-0310-9956-ffa450edef68
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Eric Covener
2017-12-31 16:12:55 +00:00
parent 0338089ab0
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11
docs/manual/mod/mod_substitute.html.en
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@ -58,7 +58,7 @@
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_substitute</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>expr= substitution values were added in 2.5.1</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>"expr=" substitution values were added in 2.5.1</td></tr>
</table>
<p>The <code class="directive">Substitute</code> directive specifies a
search and replace pattern to apply to the response body.</p>
@ -123,7 +123,7 @@
</div>
<p> When using an <a href="../expr.html">expression</a> for the
<var>substitution</var>, regular expression backreferencwa must be
<var>substitution</var>, regular expression backreferences must be
backslash ('\') escaped as illustrated in the example below:</p>
<div class="example"><h3>Expression Example</h3><pre class="prettyprint lang-config">&lt;Location "/"&gt;
AddOutputFilterByType SUBSTITUTE text/html
@ -132,7 +132,12 @@
&lt;/Location&gt;</pre>
</div>
<div class="warning"><h3>Expressions and caching</h3>
<p>Caution must be exercised when performing substitutions that reference
HTTP request headers. Because this module operates after response headers
have been sent, the <a href="../expr.html">expression parser</a> cannot add
referenced HTTP request headers to the outgoing Vary header. </p>
</div>
<p>A common use scenario for <code>mod_substitute</code> is the
situation in which a front-end server proxies requests to a back-end