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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="Tables detailing HTML element and CSS property implementation coverage in HTML Purifier." />
<link rel="stylesheet" type="text/css" href="./style.css" />
<title>Implementation Progress - HTML Purifier</title>
<style type="text/css">
td {padding-right:1em;border-bottom:1px solid #000;padding-left:0.5em;}
th {text-align:left;padding-top:1.4em;font-size:13pt;
border-bottom:2px solid #000;background:#FFF;}
thead th {text-align:left;padding:0.1em;background-color:#EEE;}
.impl-yes {background:#9D9;}
.impl-partial {background:#FFA;}
.impl-no {background:#CCC;}
.danger {color:#600;}
.css1 {color:#060;}
.required {font-weight:bold;}
.feature {color:#999;}
</style>
</head><body>
<h1>Implementation Progress</h1>
<div id="filing">Filed under Development</div>
<div id="index">Return to the <a href="index.html">index</a>.</div>
<div id="home"><a href="http://htmlpurifier.org/">HTML Purifier</a> End-User Documentation</div>
<p>
<strong>Warning:</strong> This table is kept for historical purposes and
is not being actively updated.
</p>
<h2>Key</h2>
<table cellspacing="0"><tbody>
<tr><td class="impl-yes">Implemented</td></tr>
<tr><td class="impl-partial">Partially implemented</td></tr>
<tr><td class="impl-no">Not priority to implement</td></tr>
<tr><td class="danger">Dangerous attribute/property</td></tr>
<tr><td class="css1">Present in CSS1</td></tr>
<tr><td class="feature">Feature, requires extra work</td></tr>
</tbody></table>
<h2>CSS</h2>
<table cellspacing="0">
<thead>
<tr><th>Name</th><th>Notes</th></tr>
</thead>
<!--
<tr><td>-</td><td>-</td></tr>
-->
<tbody>
<tr><th colspan="2">Standard</th></tr>
<tr class="css1 impl-yes"><td>background-color</td><td>COMPOSITE(<color>, transparent)</td></tr>
<tr class="css1 impl-yes"><td>background</td><td>SHORTHAND, currently alias for background-color</td></tr>
<tr class="css1 impl-yes"><td>border</td><td>SHORTHAND, MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>border-color</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>border-style</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>border-width</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>border-*</td><td>SHORTHAND</td></tr>
<tr class="impl-yes"><td>border-*-color</td><td>COMPOSITE(<color>, transparent)</td></tr>
<tr class="impl-yes"><td>border-*-style</td><td>ENUM(none, hidden, dotted, dashed,
solid, double, groove, ridge, inset, outset)</td></tr>
<tr class="css1 impl-yes"><td>border-*-width</td><td>COMPOSITE(<length>, thin, medium, thick)</td></tr>
<tr class="css1 impl-yes"><td>clear</td><td>ENUM(none, left, right, both)</td></tr>
<tr class="css1 impl-yes"><td>color</td><td><color></td></tr>
<tr class="css1 impl-yes"><td>float</td><td>ENUM(left, right, none), May require layout
precautions with clear</td></tr>
<tr class="css1 impl-yes"><td>font</td><td>SHORTHAND</td></tr>
<tr class="css1 impl-yes"><td>font-family</td><td>CSS validator may complain if fallback font
family not specified</td></tr>
<tr class="css1 impl-yes"><td>font-size</td><td>COMPOSITE(<absolute-size>,
<relative-size>, <length>, <percentage>)</td></tr>
<tr class="css1 impl-yes"><td>font-style</td><td>ENUM(normal, italic, oblique)</td></tr>
<tr class="css1 impl-yes"><td>font-variant</td><td>ENUM(normal, small-caps)</td></tr>
<tr class="css1 impl-yes"><td>font-weight</td><td>ENUM(normal, bold, bolder, lighter,
100, 200, 300, 400, 500, 600, 700, 800, 900), maybe special code for
in-between integers</td></tr>
<tr class="css1 impl-yes"><td>letter-spacing</td><td>COMPOSITE(<length>, normal)</td></tr>
<tr class="css1 impl-yes"><td>line-height</td><td>COMPOSITE(<number>,
<length>, <percentage>, normal)</td></tr>
<tr class="css1 impl-yes"><td>list-style-position</td><td>ENUM(inside, outside),
Strange behavior in browsers</td></tr>
<tr class="css1 impl-yes"><td>list-style-type</td><td>ENUM(...),
Well-supported values are: disc, circle, square,
decimal, lower-roman, upper-roman, lower-alpha and upper-alpha. See also
CSS 3. Mostly IE lack of support.</td></tr>
<tr class="css1 impl-yes"><td>list-style</td><td>SHORTHAND</td></tr>
<tr class="css1 impl-yes"><td>margin</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>margin-*</td><td>COMPOSITE(<length>,
<percentage>, auto)</td></tr>
<tr class="css1 impl-yes"><td>padding</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>padding-*</td><td>COMPOSITE(<length>(positive),
<percentage>(positive))</td></tr>
<tr class="css1 impl-yes"><td>text-align</td><td>ENUM(left, right,
center, justify)</td></tr>
<tr class="css1 impl-yes"><td>text-decoration</td><td>No blink (argh my eyes), not
enum, can be combined (composite sorta): underline, overline,
line-through</td></tr>
<tr class="css1 impl-yes"><td>text-indent</td><td>COMPOSITE(<length>,
<percentage>)</td></tr>
<tr class="css1 impl-yes"><td>text-transform</td><td>ENUM(capitalize, uppercase,
lowercase, none)</td></tr>
<tr class="css1 impl-yes"><td>width</td><td>COMPOSITE(<length>,
<percentage>, auto), Interesting</td></tr>
<tr class="css1 impl-yes"><td>word-spacing</td><td>COMPOSITE(<length>, auto),
IE 5 no support</td></tr>
</tbody>
<tbody>
<tr><th colspan="2">Table</th></tr>
<tr class="impl-yes"><td>border-collapse</td><td>ENUM(collapse, seperate)</td></tr>
<tr class="impl-yes"><td>border-space</td><td>MULTIPLE</td></tr>
<tr class="impl-yes"><td>caption-side</td><td>ENUM(top, bottom)</td></tr>
<tr class="feature"><td>empty-cells</td><td>ENUM(show, hide), No IE support makes this useless,
possible fix with &nbsp;? Unknown release milestone.</td></tr>
<tr class="impl-yes"><td>table-layout</td><td>ENUM(auto, fixed)</td></tr>
<tr class="impl-yes css1"><td>vertical-align</td><td>COMPOSITE(ENUM(baseline, sub,
super, top, text-top, middle, bottom, text-bottom), <percentage>,
<length>) Also applies to others with explicit height</td></tr>
</tbody>
<tbody>
<tr><th colspan="2">Absolute positioning, unknown release milestone</th></tr>
<tr class="danger impl-no"><td>bottom</td><td rowspan="4">Dangerous, must be non-negative to even be considered,
but it's still possible to arbitrarily position by running over.</td></tr>
<tr class="danger impl-no"><td>left</
|