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<title>Editing XML schema properties</title>
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<h1 class="topictitle1">Editing XML schema properties</h1>
<div><p>After you create an XML schema, you can edit its various properties,
such as its namespace and prefix.</p><div class="skipspace"><p>The following 
		instructions were written for the Resource perspective, but they will 
		also work in many other perspectives.</p>
<p>To edit an XML schema's
properties follow these steps:</p>
</div>
<ol><li class="skipspace"><span>Create a new XML schema or double-click an existing schema in the
Navigator view.</span>  It will automatically open in the XML schema editor.</li>
<li class="skipspace"><span>In the Properties view, click the <b> <span class="uicontrol">General</span></b> tab.</span></li>
<li class="skipspace"><span>You can change the <b> <span class="uicontrol">Prefix</span></b> associated with
the current namespace.</span> Element and attribute names that are associated
with this namespace will be prefixed with this value.</li>
<li class="skipspace"><span>You can also edit the <b> <span class="uicontrol">Target namespace</span> 
</b>for
this schema.</span>  A namespace is a URI that provides a unique name
to associate with all the elements and type definitions in a schema.<ol type="a"><li><span>Click 
	<b> <span class="uicontrol">Advanced</span></b> if you want to add more
namespace declarations to your XML schema.</span></li>
</ol>
</li>
<li class="skipspace"><span>Click the <b> <span class="uicontrol">Other</span></b> tab.</span> You can
modify the following values in this page.<ol type="a"><li class="skipspace"><span>The 
	<b> <span class="uicontrol">attributeFormDefault</span></b> value. </span> Select 
	<b> <span class="uicontrol">qualified</span></b> if you want attributes in an
XML schema instance to be qualified by the prefix that is associated with
the schema namespace; otherwise, select <b> <span class="uicontrol">unqualified</span></b>.</li>
<li class="skipspace"><span>The <b> <span class="uicontrol">blockDefault</span></b> value.</span> This
field determines whether the types or elements in the schema may be replaced
by elements or types derived from them. The effect of specifying the 
blockDefault attribute is equivalent to specifying a block attribute on every 
type definition and element declaration in the schema. You can either select
<strong>#all</strong> (nothing may be replaced by derivations),<strong> 
extension</strong> (nothing may be replaced by derivations-by-extension),
<strong>restriction</strong> (nothing may be replaced by 
derivations-by-restrictions ) or <strong>substitution</strong> (nothing may be 
replaced by derivations-by-substitution). </li>
<li class="skipspace"><span>The <b> <span class="uicontrol">elementFormDefault</span></b> value.</span> Select <span class="uicontrol">qualified</span> if
you want elements in an XML schema instance to be qualified by the prefix
that is associated with the schema namespace; otherwise, select <span class="uicontrol">unqualified</span>.</li>
<li class="skipspace"><span>The <b> <span class="uicontrol">finalDefault</span></b> value.</span> This
field determines whether the types or elements in the schema may be derived
from. The effect of specifying the final default attribute is equivalent to 
specifying a final attribute on every type definition and element declaration in 
the schema. If you select <strong>#all</strong>, no types or elements in the 
schema may be derived from. If you select <strong>extension</strong>, no types 
or elements in the schema may be derived from using extension. If you select
<strong>restriction</strong>, no types or elements in the schema may be derived 
from using restriction. </li>
<li class="skipspace"><span>The <b> <span class="uicontrol">version</span></b> 
value.</span> Type the version number of the schema in the <b> <span class="uicontrol">
version</span></b> field.</li>
<li class="skipspace"><span>The <b> <span class="uicontrol">xml:lang</span> </b>value. </span> Type
the appropriate ISO-IETF (for example, en-us) tag in this field. This tag
may be inserted in documents to specify the language used in the contents
and attribute values of any element in an XML file.</li>
</ol>
</li>
<li class="skipspace"><span>Click the <b> <span class="uicontrol">Documentation</span></b> tab if you want
to provide any information about this XML schema.</span> The <span class="uicontrol">Documentation</span> page
is used for human readable material, such as a description, and the <span class="uicontrol">App
Info</span> page can be used to provide information for applications.</li>
</ol>
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