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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 11<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
22<html lang="en">
3- <!-- $Id: conform.src,v 1.36 1998-01-12 17:57:12 ijacobs Exp $ -->
3+ <!-- $Id: conform.src,v 1.37 1998-01-13 14:09:11 ijacobs Exp $ -->
44<HEAD>
55<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
66<TITLE>Conformance: requirements and recommendations</TITLE>
@@ -112,6 +112,17 @@ if B and A share the same parent element. Element A is a preceding
112112sibling if it comes before B in the document tree. Element B is a
113113following sibling if it comes after B in the document tree.
114114
115+ <P>An element A is called a <span class="index-def" title="preceding
116+ element"><a name="preceding"><dfn>preceding element</dfn></a></span>
117+ of an element B, if and only if (1) A is an ancestor of B or (2) A is
118+ a preceding sibling of B. An element A is called a <span
119+ class="index-def" title="following element"><a
120+ name="following"><dfn>following element</dfn></a></span> of an element
121+ B, if and only if (1) A is an descendent of B or (2) A is a following
122+ sibling of B.
123+
124+
125+
115126<div class="html-example"><P>
116127For example, the following HTML document:
117128<PRE>
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