A use of this attribute group might be:

<xs:complexType name="BlockInlineContainer" mixed="true">
<xs:sequence>
<xs:element name="xhtml:inline"/>
</xs:sequence>
<xs:attributeGroup ref="xhtml:Common"/>
</xs:complexType>

An element declaration for p:

<xs:element name="p" type="xhtml:BlockInlineContainer"/>

Any of the common XHTML attributes are allowed:

<p class="description" xml:lang="us-en" onclick="javascript:go()">
Something fancy happens here...
</p>