<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "AppStream.ent">
%BOOK_ENTITIES;
]>
<chapter id="chap-CatalogData">
	<title>Catalog Metadata</title>
	<para>
		Additionally to the metainfo files shipped by upstream projects, AppStream also provides an XML and YAML format
		to make information about not installed software components known to the system.
	</para>
	<para>
		This chapter documents this catalog metadata format and icon cache used on the client side.
	</para>

	<xi:include href="catalog-xmldata.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
	<xi:include href="catalog-yamldata.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
	<xi:include href="catalog-iconcache.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />

</chapter>
