The XML plugin catalogs the following DTDs which are included with jEdit itself, or the XML plugin.
DTDs declared by jEdit: actions.dtd, catalog.dtd, dockables.dtd, perspective.dtd, plugins.dtd, recent.dtd, registers.dtd, services.dt, xmode.dtd.
A few plugin DTDs: commando.dtd (Console plugin), sqlServerType.dtd (SQL plugin).
XHTML 1.0 and XHTML 1.1 DTDs, referenced using one of the following public IDs:
-//W3C//DTD XHTML 1.0 Frameset//EN
-//W3C//DTD XHTML 1.0 Strict//EN
-//W3C//DTD XHTML 1.0 Transitional//EN
-//W3C//DTD XHTML 1.1//EN
DocBook 4.2 DTDs, referenced with the -//OASIS//DTD DocBook XML V4.2//EN public ID.
For example, these doctypes are recognized by the XML plugin, and when they are used, tell the XML plugin to load a built-in DTD, and provide you with completion popups for elements and attributes.
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "docbookx.dtd"> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "xhtml11-flat.dtd">