\ccRefChapter{First chapter}{first_user_chap_label}
\label{first_ref_chap_label}

The first chapter of the reference manual defines \ccc{operator+}
and \ccc{HDS} concept

\gdef\ccTagOperatorLayout{\ccFalse}
\begin{ccRefFunction}{operator+}
\ccTexHtml{\ccSetThreeColumns{Vector_2<R>X }{}{\hspace*{8.0cm}}}{}

\ccInclude{CGAL/Vector_2.h}

\ccFunction{Vector_2<R> operator+(const R::RT &s, const Vector_2<R> &w);}
       {Multiplication with a scalar from the left.}

\ccInclude{CGAL/Vector_3.h}

\ccFunction{Vector_3<R> operator+(const R::RT &s, const Vector_3<R> &w);}
       {Multiplication with a scalar from the left.}
\end{ccRefFunction}

\begin{ccRefConcept}{HDS}

\ccDefinition
\ccRefName\ is a hungry data structure

Blah blah blah.
\end{ccRefConcept}