<!--
  * dtd/topic.dtd
  *
  * Copyright (c) 2014-2021 Simon Fraser University
  * Copyright (c) 2000-2021 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
  *
  * DTD for help topics.
  *
  -->

<!--
  * topic - help topic
  * id: the topic ID
  * locale: the key for the locale of this topic
  * title: the topic title
  * toc: the ID of the toc this topic belongs to
  * subtoc: the ID of the toc for this topic's subtopics
  * key: unique key for this help topic, used for mapping scripts to their associated topic
  -->
<!ELEMENT topic (section*,related_topic*)>
	<!ATTLIST topic
		id CDATA #REQUIRED
		locale CDATA #REQUIRED
		title CDATA #REQUIRED
		toc CDATA #REQUIRED
		subtoc CDATA #IMPLIED
		key CDATA #REQUIRED>

<!--
  * section - section of help content
  * title: the title of the section
  * value is the help content in HTML format
  -->
<!ELEMENT section (#PCDATA)>
	<!ATTLIST section
		title CDATA #IMPLIED>

<!--
  * related topic - linking to related topics
  * id: the id of related topic
  * title: the link title
  -->
<!ELEMENT related_topic (#PCDATA)>
	<!ATTLIST related_topic
		id CDATA #REQUIRED
		title CDATA #REQUIRED>