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1 | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
2 | 2 | <html lang="en"> |
3 | | -<!-- $Id: conform.src,v 2.17 1998-03-11 09:23:19 bbos Exp $ --> |
| 3 | +<!-- $Id: conform.src,v 2.18 1998-03-13 01:00:50 ijacobs Exp $ --> |
4 | 4 | <HEAD> |
5 | 5 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> |
6 | 6 | <TITLE>Conformance: requirements and recommendations</TITLE> |
@@ -50,13 +50,14 @@ inheritance</a>. |
50 | 50 |
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51 | 51 | <dd>The <span class="index-def" title="valid style |
52 | 52 | sheet">validity</span> of a style sheet depends on the level of CSS |
53 | | -used for the style sheet. All valid CSS1 style sheets are valid CSS2 |
54 | | -style sheets. A valid CSS2 style sheet must be written according to the <a |
55 | | -href="grammar.html">grammar of CSS2</a>. Furthermore, it must contain |
56 | | -only at-rules, property names, and property values defined in this |
57 | | -specification. An <span class="index-def" |
58 | | -title="illegal"><strong>illegal</strong></span> or invalid at-rule, |
59 | | -property name, or property value is one that is not valid. |
| 53 | +used for the style sheet. With very few exceptions, all valid CSS1 |
| 54 | +style sheets are valid CSS2 style sheets. A valid CSS2 style sheet |
| 55 | +must be written according to the <a href="grammar.html">grammar of |
| 56 | +CSS2</a>. Furthermore, it must contain only at-rules, property names, |
| 57 | +and property values defined in this specification. An <span |
| 58 | +class="index-def" title="illegal"><strong>illegal</strong></span> or |
| 59 | +invalid at-rule, property name, or property value is one that is not |
| 60 | +valid. |
60 | 61 |
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61 | 62 | <dt><strong><span class="index-def" title="source document">Source |
62 | 63 | document</span></strong> |
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