<html>
<head>
<title>ID</title>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<div id="Description">
<table cellpadding="0" cellspacing="0" border="0" width="100%" class="main">
<tr>
<td valign="top" class="NAME">ID</td>
<td valign="top" class="COMPATIBILITY">&nbsp;</td>
</tr>
<tr>
<td colspan="2" class="divider"><img src="dwres:18084" width="100%" height="1"></td>
</tr>
<tr>
<td valign="top" colspan="2" class="description">&nbsp;
</td></tr>
<tr>
<td colspan="2" class="DESCRIPTIONTITLE">Text from specification</td>
</tr>
<tr>
<td colspan="2" class="description">


<p>Values of type <span class="LITERAL">ID</span>
must match the <span class="LITERAL">Name</span> production. A name must not
appear more than once in an XML document as a value of this type;
i.e., ID values must uniquely identify the elements that bear them.</p>

</td>
</tr>
<tr>
<td colspan="2" class="CLEARSEPARATION">&nbsp;</td>
</tr>
<tr>
<td colspan="2" class="DESCRIPTIONTITLE">Explanation</td>
</tr>
<tr>
<td colspan="2" class="description">


<p>No two attribute values for attributes declared as type
<span class="LITERAL">ID</span> can have the same value. This constraint is not
restricted by element type, but it is global across the entire
document.</p>

</td>
</tr>
<tr>
<td colspan="2" class="CLEARSEPARATION">&nbsp;</td>
</tr>
</table>
</div>
</body>
</html>