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-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head>
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-<meta name="description" content="Index to all HTML Purifier documentation." />
-<link rel="stylesheet" type="text/css" href="./style.css" />
-
-<title>Documentation - HTML Purifier</title>
-
-</head>
-<body>
-
-<h1>Documentation</h1>
-
-<p><strong><a href="http://htmlpurifier.org/">HTML Purifier</a></strong> has documentation for all types of people.
-Here is an index of all of them.</p>
-
-<h2>End-user</h2>
-<p>End-user documentation that contains articles, tutorials and useful
-information for casual developers using HTML Purifier.</p>
-
-<dl>
-
-<dt><a href="enduser-id.html">IDs</a></dt>
-<dd>Explains various methods for allowing IDs in documents safely.</dd>
-
-<dt><a href="enduser-youtube.html">Embedding YouTube videos</a></dt>
-<dd>Explains how to safely allow the embedding of flash from trusted sites.</dd>
-
-<dt><a href="enduser-slow.html">Speeding up HTML Purifier</a></dt>
-<dd>Explains how to speed up HTML Purifier through caching or inbound filtering.</dd>
-
-<dt><a href="enduser-utf8.html">UTF-8: The Secret of Character Encoding</a></dt>
-<dd>Describes the rationale for using UTF-8, the ramifications otherwise, and how to make the switch.</dd>
-
-<dt><a href="enduser-tidy.html">Tidy</a></dt>
-<dd>Tutorial for tweaking HTML Purifier's Tidy-like behavior.</dd>
-
-<dt><a href="enduser-customize.html">Customize</a></dt>
-<dd>Tutorial for customizing HTML Purifier's tag and attribute sets.</dd>
-
-<dt><a href="enduser-uri-filter.html">URI Filters</a></dt>
-<dd>Tutorial for creating custom URI filters.</dd>
-
-</dl>
-
-<h2>Development</h2>
-<p>Developer documentation detailing code issues, roadmaps and project
-conventions.</p>
-
-<dl>
-
-<dt><a href="dev-progress.html">Implementation Progress</a></dt>
-<dd>Tables detailing HTML element and CSS property implementation coverage.</dd>
-
-<dt><a href="dev-naming.html">Naming Conventions</a></dt>
-<dd>Defines class naming conventions.</dd>
-
-<dt><a href="dev-optimization.html">Optimization</a></dt>
-<dd>Discusses possible methods of optimizing HTML Purifier.</dd>
-
-<dt><a href="dev-flush.html">Flushing the Purifier</a></dt>
-<dd>Discusses when to flush HTML Purifier's various caches.</dd>
-
-<dt><a href="dev-advanced-api.html">Advanced API</a></dt>
-<dd>Specification for HTML Purifier's advanced API for defining
-custom filtering behavior.</dd>
-
-<dt><a href="dev-config-schema.html">Config Schema</a></dt>
-<dd>Describes config schema framework in HTML Purifier.</dd>
-
-</dl>
-
-<h2>Proposals</h2>
-<p>Proposed features, as well as the associated rambling to get a clear
-objective in place before attempted implementation.</p>
-
-<dl>
-<dt><a href="proposal-colors.html">Colors</a></dt>
-<dd>Proposal to allow for color constraints.</dd>
-</dl>
-
-<h2>Reference</h2>
-<p>Miscellaneous essays, research pieces and other reference type material
-that may not directly discuss HTML Purifier.</p>
-
-<dl>
-<dt><a href="ref-devnetwork.html">DevNetwork Credits</a></dt>
-<dd>Credits and links to DevNetwork forum topics.</dd>
-</dl>
-
-<h2>Internal memos</h2>
-
-<p>Plaintext documents that are more for use by active developers of
-the code. They may be upgraded to HTML files or stay as TXT scratchpads.</p>
-
-<table class="table">
-
-<thead><tr>
-    <th style="width:10%">Type</th>
-    <th style="width:20%">Name</th>
-    <th>Description</th>
-</tr></thead>
-
-<tbody>
-
-<tr>
-    <td>End-user</td>
-    <td><a href="enduser-overview.txt">Overview</a></td>
-    <td>High level overview of the general control flow (mostly obsolete).</td>
-</tr>
-
-<tr>
-    <td>End-user</td>
-    <td><a href="enduser-security.txt">Security</a></td>
-    <td>Common security issues that may still arise (half-baked).</td>
-</tr>
-
-<tr>
-    <td>Development</td>
-    <td><a href="dev-config-bcbreaks.txt">Config BC Breaks</a></td>
-    <td>Backwards-incompatible changes in HTML Purifier 4.0.0</td>
-</tr>
-
-<tr>
-    <td>Development</td>
-    <td><a href="dev-code-quality.txt">Code Quality Issues</a></td>
-    <td>Enumerates code quality issues and places that need to be refactored.</td>
-</tr>
-
-<tr>
-    <td>Proposal</td>
-    <td><a href="proposal-filter-levels.txt">Filter levels</a></td>
-    <td>Outlines details of projected configurable level of filtering.</td>
-</tr>
-
-<tr>
-    <td>Proposal</td>
-    <td><a href="proposal-language.txt">Language</a></td>
-    <td>Specification of I18N for error messages derived from MediaWiki (half-baked).</td>
-</tr>
-
-<tr>
-    <td>Proposal</td>
-    <td><a href="proposal-new-directives.txt">New directives</a></td>
-    <td>Assorted configuration options that could be implemented.</td>
-</tr>
-
-<tr>
-    <td>Proposal</td>
-    <td><a href="proposal-css-extraction.txt">CSS extraction</a></td>
-    <td>Taking the inline CSS out of documents and into <code>style</code>.</td>
-</tr>
-
-<tr>
-    <td>Reference</td>
-    <td><a href="ref-content-models.txt">Handling Content Model Changes</a></td>
-    <td>Discusses how to tidy up content model changes using custom ChildDef classes.</td>
-</tr>
-
-<tr>
-    <td>Reference</td>
-    <td><a href="ref-proprietary-tags.txt">Proprietary tags</a></td>
-    <td>List of vendor-specific tags we may want to transform to W3C compliant markup.</td>
-</tr>
-
-<tr>
-    <td>Reference</td>
-    <td><a href="ref-html-modularization.txt">Modularization of HTMLDefinition</a></td>
-    <td>Provides a high-level overview of the concepts behind HTMLModules.</td>
-</tr>
-
-<tr>
-    <td>Reference</td>
-    <td><a href="ref-whatwg.txt">WHATWG</a></td>
-    <td>How WHATWG plays into what we need to do.</td>
-</tr>
-
-</tbody>
-
-</table>
-
-</body>
-</html>
-
-<!-- vim: et sw=4 sts=4
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