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| 6 | +<TITLE>About the CSS2 Specification</TITLE> |
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| 16 | + |
| 17 | +<H1 align="center"><a name="h-1">1</a> About the CSS2 Specification</H1> |
| 18 | +<div class="subtoc"><p><strong>Contents</strong> |
| 19 | +<ol> |
| 20 | +<li><a href="about.html#h-1.1">How to read the specification</a> |
| 21 | +<li><a href="about.html#h-1.2">How the specification is organized</a> |
| 22 | +<li><a href="about.html#h-1.3">Acknowledgments</a> |
| 23 | +</ol> |
| 24 | +</div> |
| 25 | + |
| 26 | +<P>This document has been written with two types of readers in mind: |
| 27 | +CSS authors and CSS implementors. We hope the specification will |
| 28 | +provide authors with the tools they need to write efficient, |
| 29 | +attractive, and accessible documents, without overexposing them to |
| 30 | +CSS's implementation details. Implementors, however, should find all |
| 31 | +they need to build user agents that interpret CSS correctly. |
| 32 | + |
| 33 | +<P>The specification has been written with two modes of presentation |
| 34 | +in mind: electronic and printed. Although the two presentations will |
| 35 | +no doubt be similar, readers will find some differences. For example, |
| 36 | +links will not work in the printed version (obviously), and page |
| 37 | +numbers will not appear in the electronic version. In case of a |
| 38 | +discrepancy, the electronic version is considered the authoritative |
| 39 | +version of the document. |
| 40 | + |
| 41 | +<h2><a name="h-1.1">1.1</a> How to read the specification</h2> |
| 42 | + |
| 43 | +<p>The specification may be approached in several ways: |
| 44 | + |
| 45 | +<ul> |
| 46 | + |
| 47 | +<li><P><strong>Read from beginning to end.</strong> The specification |
| 48 | +begins with a general presentation of CSS and becomes more and more |
| 49 | +technical and specific towards the end. This is reflected in the |
| 50 | +specification's main table of contents, which presents topical |
| 51 | +information, and the indexes, which present lower level information in |
| 52 | +alphabetical order.</P> |
| 53 | + |
| 54 | +<li><strong>Quick access to information.</strong> In order to get |
| 55 | +information about syntax and semantics as quickly as possible, the |
| 56 | +electronic version of the specification includes the following |
| 57 | +features: |
| 58 | + |
| 59 | +<ol> |
| 60 | + |
| 61 | +<li>Every reference to an property or value is linked to |
| 62 | +its definition in the specification. |
| 63 | + |
| 64 | +<li>Every page will include links to the table of contents and to the |
| 65 | +index, so readers of the electronic version will never be more than |
| 66 | +two links away from finding the definition of a property or value. |
| 67 | + |
| 68 | +</ol> |
| 69 | +</ul> |
| 70 | + |
| 71 | + |
| 72 | +<h2><a name="h-1.2">1.2</a> How the specification is organized</h2> |
| 73 | + |
| 74 | +<P>This specification includes the following sections: |
| 75 | + |
| 76 | +<dl> |
| 77 | + |
| 78 | +<dt><Strong>Section 3: An introduction CSS2</strong> |
| 79 | + |
| 80 | +<dd>The introduction begins with a brief tutorial in CSS2. The |
| 81 | +following section discusses design principles behind CSS2. Finally, we |
| 82 | +provide a list of suggested practice for style sheet authors. |
| 83 | + |
| 84 | +<dt><strong>Sections 4 - 17: CSS2 reference manual.</strong> |
| 85 | + |
| 86 | +<dd>The bulk of the reference manual consists of the definition of |
| 87 | +CSS2, including all properties and their values. |
| 88 | + |
| 89 | +<dt><strong>Section 18 - 22: Appendixes.</strong> |
| 90 | + |
| 91 | +<dd>The appendix contains information about <a href="sample.html">a |
| 92 | +sample style sheet for HTML 2.0</a>, <a href="changes.html">changes |
| 93 | +from CSS1 </a>, <a href="appendix/notes.html">implementation and |
| 94 | +performance </a>, <a href="grammar.html">the grammar of CSS2</a>, and |
| 95 | +a list of normative and informative references. |
| 96 | + |
| 97 | +<dt><strong>Section 23: General index.</strong> |
| 98 | + |
| 99 | +<dd>The <a href="index.html">general index</a> contains links to key |
| 100 | +concepts, property and value definitions, and other useful |
| 101 | +information. |
| 102 | + |
| 103 | +</dl> |
| 104 | + |
| 105 | +<H2><a name="h-1.3">1.3</a> Acknowledgments</H2> |
| 106 | + |
| 107 | +<P>This specification is the product of the W3C Working Group on |
| 108 | +Cascading Style Sheets and Formatting Properties. In addition to the |
| 109 | +editors of this specification, the members of the Working Group are: |
| 110 | + |
| 111 | +Brad Chase (Bitstream), Chris Wilson (Microsoft), Daniel Glazman |
| 112 | +(Electricité de France), Dave Raggett (W3C/HP), Ed Tecot (Microsoft), |
| 113 | +Jared Sorensen (Novell), Lauren Wood (SoftQuad), Laurie Anna Kaplan |
| 114 | +(Microsoft), Mike Wexler (Adobe), Murray Maloney (Grif), Powell Smith |
| 115 | +(IBM), Robert Stevahn (HP), Steve Byrne (JavaSoft), Steven Pemberton |
| 116 | +(CWI), Thom Phillabaum (Netscape) and the late Phil Karlton (Netscape). |
| 117 | + |
| 118 | +<P>A number of invited experts to the Working Group have contributed: |
| 119 | +Arnaud Le Hors (W3C), David Meltzer (Microsoft), George Kersher, Glenn |
| 120 | +Rippel (Bitstream), Jeff Veen (HotWired), Markku T. Hakkinen (The |
| 121 | +Productivity Works), Martin Dürst (Universität Zürich), Roy |
| 122 | +Platon (RAL), Todd Fahrner (Verso) and Vincent Quint (W3C). |
| 123 | + |
| 124 | +<p>Besides the editors, the following people have contributed in |
| 125 | +various ways to the sections pertaining to fonts: Alex Beamon (Apple), |
| 126 | +Ashok Saxena (Adobe), Ben Bauermeister (HP), Dave Raggett (W3C/HP), |
| 127 | +David Goldsmith (Apple), Ed Tecot (Microsoft), Erik van Blokland |
| 128 | +(LettError), François Yergeau (Alis), Gavin Nicol (Inso), |
| 129 | +Herbert van Zijl (Elsevier), Liam Quin (SoftQuad), Martin Dürst |
| 130 | +(Universität Zürich), Misha Wolf (Reuters), Paul Haeberli |
| 131 | +(SGI). |
| 132 | + |
| 133 | +<P>The section on Paged Media was in large parts authored by Robert |
| 134 | +Stevahn (HP) and Stephen Waters (Microsoft). |
| 135 | + |
| 136 | +<P>Robert Stevahn (HP), along with Scott Furman (Netscape) and Scott |
| 137 | +Isaacs (Microsoft) were key contributors to CSS positioning. |
| 138 | + |
| 139 | +<P>Mike Wexler (Adobe) was the editor of the interim Working Draft |
| 140 | +which described much of the new features of CSS2. |
| 141 | + |
| 142 | +<P>Todd Fahrner (Verso) researched contemporary and historical |
| 143 | +browsers to develop the sample style sheet in the appendix. |
| 144 | + |
| 145 | +<P>Through electronic and physical encounters, the following people |
| 146 | +have contributed to the development of CSS2: James Clark, Daniel |
| 147 | +Connolly, Donna Converse, Scott Isaacs, Lou Montulli, Henrik Frystyk |
| 148 | +Nielsen, Jacob Nielsen, William Perry, David Siegel and Stephen Zilles. |
| 149 | + |
| 150 | +<P>The discussions on www-style@w3.org have been influential in many |
| 151 | +key issues for CSS. Especially, we would like to thank Bjorn Backlund, |
| 152 | +Todd Fahrner, MegaZone, Eric Meyer, David Perrell, Liam Quinn and |
| 153 | +Chris Wilson for their participation. |
| 154 | + |
| 155 | +<P>Special thanks to Arnaud Le Hors, whose engineering contributions |
| 156 | +made this document work. |
| 157 | + |
| 158 | +<P>Lastly, thanks to Tim Berners-Lee without whom none of this would |
| 159 | +have been possible. |
| 160 | + |
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