share/AT-2.xml
<?xml version="1.0" encoding="UTF-8" ?>
<holidays xmlns="https://heigl.org/holidays"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="https://heigl.org/xml/xsd/holidays.xsd"
xmlns:xi="http://www.w3.org/2001/XInclude"
>
<xi:include href="AT.xml" parse="xml" xpointer="xpointer(*/*)">
<xi:fallback></xi:fallback>
</xi:include>
<date day="19" month="3" free="true">Josefstag</date>
<date day="10" month="10" free="true">Tag der Volksabstimmung</date>
</holidays>