/webportal/src/main/webapp/WEB-INF/lang-addon.xml

 1<language-addon>
 2    <language-name>xul/html</language-name>
 3    <addon-name>myapp</addon-name>
 4    <component>
 5        <component-name>button</component-name>
 6        <extends>button</extends>
 7        <property>
 8            <property-name>autodisable</property-name>
 9            <property-value>self</property-value>
10        </property>
11    </component>
12</language-addon>