\input setup		      % -*- Mode: TeX -*-

\beginchapter{4}{Types and Classes}{ChapFour}{TypesAndClasses}

\beginSection{Introduction}
\input concept-type-intro
\endSection%{Introduction}

\beginSection{Types}
\DefineSection{Types}
\input concept-types
\endSection%{Types}

\beginSection{Classes}
\DefineSection{Classes}
\input concept-classes
\endSection%{Classes}

\includeDictionary{dict-types}

\endchapter

\bye