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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@642717 13f79535-47bb-0310-9956-ffa450edef68
75 lines
2.7 KiB
XML
75 lines
2.7 KiB
XML
<?xml version='1.0' encoding='UTF-8' ?>
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<!DOCTYPE manualpage SYSTEM "./style/manualpage.dtd">
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<?xml-stylesheet type="text/xsl" href="./style/manual.en.xsl"?>
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<!-- $LastChangedRevision$ -->
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<manualpage metafile="new_features_2_4.xml.meta">
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<title>Overview of new features in Apache 2.4</title>
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<summary>
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<p>This document describes some of the major changes between the
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2.2 and 2.4 versions of the Apache HTTP Server. For new features since
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version 2.0, see the <a href="new_features_2_2.html">2.2 new features</a>
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document.</p>
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</summary>
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<section id="core">
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<title>Core Enhancements</title>
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<!-- <dl>
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</dl> -->
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</section>
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<section id="module">
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<title>Module Enhancements</title>
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<!-- <dl>
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</dl> -->
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</section>
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<section id="programs">
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<title>Program Enhancements</title>
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<!-- <dl>
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</dl> -->
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</section>
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<section id="developer">
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<title>Module Developer Changes</title>
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<dl>
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<dt>Check Configuration Hook Added</dt>
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<dd>A new hook, <code>check_config</code>, has been added which runs
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between the <code>pre_config</code> and <code>open_logs</code>
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hooks. It also runs before the <code>test_config</code> hook
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when the <code>-t</code> option is passed to
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<program>httpd</program>. The <code>check_config</code> hook
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allows modules to review interdependent configuration directive
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values and adjust them while messages can still be logged to the
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console. The user can thus be alerted to misconfiguration problems
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before the core <code>open_logs</code> hook function redirects
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console output to the error log.</dd>
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<dt>Expression Parser Added</dt>
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<dd>We now have a general-purpose expression parser, whose API is
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exposed in <var>ap_expr.h</var>. This is adapted from the
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expression parser previously implemented in
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<module>mod_include</module>.</dd>
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</dl>
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</section>
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</manualpage>
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