naturaldocs.org/mailinglist.html" class=SideMenuEntry>Mailing Lists</a><a href="http://www.naturaldocs.org/messageboards.html" class=SideMenuEntry>Message Boards</a><a href="http://www.naturaldocs.org/bugs.html" class=SideMenuEntry>Bugs and<br>Feature Requests</a></div></div></td><td class=Body width=100%><div class=PageTitle>Customizing Topics</div><div class=TOC><a href="#Topicstxt">Topics.txt</a> &middot; <a href="#TopicTypesVsKeywords">Topic Types vs. Keywords</a> &middot; <a href="#AddingTopicTypes">Ad