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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 1.28 1997-11-26 00:02:30 ian Exp $ --> |
| 3 | +<!-- $Id: conform.src,v 1.29 1997-11-27 03:14:20 ian 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> |
@@ -87,24 +87,24 @@ element. (See the SGML (<a href="refs.html#ref-ISO8879" |
87 | 87 | class="normref">[ISO8879]</a>) and XML (<a href="refs.html#ref-XML" |
88 | 88 | class="normref">[XML]</a>) specifications for the definition of |
89 | 89 | parent.) The one exception is the <span class="index-def" |
90 | | -title="root">root</span> element, which has no parent. An element A is |
91 | | -called a <span class="index-def" title="child">child</span> of an |
92 | | -element B, if and only if B is the parent of A. |
| 90 | +title="root"><dfn>root</dfn></span> element, which has no parent. |
93 | 91 |
|
94 | 92 | <P>An element A is called an <span class="index-def" |
95 | | -title="ancestor">ancestor</span> of an element B, if either (1) A is |
96 | | -the parent B, or (2) A is the parent of some element C that is an |
97 | | -ancestor of B. |
| 93 | +title="ancestor"><dfn>ancestor</dfn></span> of an element B, if either |
| 94 | +(1) A is the parent B, or (2) A is the parent of some element C that |
| 95 | +is an ancestor of B. |
98 | 96 |
|
99 | 97 | <P>An element A is called a <span class="index-def" |
100 | | -title="descendant">descendant</span> of an element B, if and only if B |
101 | | -is an ancestor of A. |
| 98 | +title="descendant"><dfn>descendant</dfn></span> of an element B, if |
| 99 | +and only if B is an ancestor of A. An element A is called a <span |
| 100 | +class="index-def" title="child">child</span> of an element B, if and |
| 101 | +only if B is the parent of A. |
102 | 102 |
|
103 | 103 | <P>An element A is called a <span class="index-def" |
104 | | -title="sibling">sibling</span> of an element B, if and only if B and A |
105 | | -share the same parent element. Element A is a preceding sibling if it |
106 | | -comes before B in the document tree. Element B is a following sibling |
107 | | -if it comes after B in the document tree. |
| 104 | +title="sibling"><dfn>sibling</dfn></span> of an element B, if and only |
| 105 | +if B and A share the same parent element. Element A is a preceding |
| 106 | +sibling if it comes before B in the document tree. Element B is a |
| 107 | +following sibling if it comes after B in the document tree. |
108 | 108 |
|
109 | 109 | <div class="example"><P> |
110 | 110 | For example, the following HTML document: |
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