See ToC. ToCchap must contain one or more ToCentries, followed by any number of ToClevel1s. ToCchap has Linkend, Label, PageNum, and common attributes.
Label holds an identifying number or string to be output in some manner when the element it is applied to is rendered.
<TOC><!-- table of contents for a book titled Big Countries of the Western Hemisphere and A Few of Their Parts --> <TITLE>Table of Contents</TITLE> <TOCFRONT PAGENUM="viii">Preface</TOCFRONT> <TOCPART> <TOCENTRY>North America</TOCENTRY> <TOCCHAP LABEL="1"> <TOCENTRY>Canada</TOCENTRY> <TOCLEVEL1> <TOCENTRY>Ontario</TOCENTRY> <TOCENTRY>British Columbia</TOCENTRY> </TOCLEVEL1> </TOCCHAP> <TOCCHAP LABEL="2"> <TOCENTRY>United States</TOCENTRY> <TOCLEVEL1> <TOCENTRY>California</TOCENTRY> <TOCLEVEL2> <TOCENTRY>Napa County</TOCENTRY> </TOCLEVEL2> <TOCLEVEL2> <TOCENTRY>Sonoma County</TOCENTRY> <TOCLEVEL3> <TOCENTRY>Southern Sonoma County</TOCENTRY> <TOCLEVEL4> <TOCENTRY>Sebastopol</TOCENTRY> <TOCLEVEL5> <TOCENTRY>Morris Street</TOCENTRY> </TOCLEVEL5> </TOCLEVEL4> </TOCLEVEL3> </TOCLEVEL2> </TOCLEVEL1> <TOCLEVEL1> <TOCENTRY>Nevada</TOCENTRY> </TOCLEVEL1> <TOCLEVEL1> <TOCENTRY>Arizona</TOCENTRY> </TOCLEVEL1> </TOCCHAP> </TOCPART> <TOCPART> <TOCENTRY>South America</TOCENTRY> <TOCCHAP LABEL="1"> <TOCENTRY>Brazil</TOCENTRY> </TOCCHAP> <TOCCHAP LABEL="2"> <TOCENTRY>Argentina</TOCENTRY> </TOCCHAP> </TOCPART> <TOCBACK PAGENUM="167">Glossary</TOCBACK> <TOCBACK PAGENUM="177">Gazetteer</TOCBACK> </TOC>